digitrip optim - eaton...

Cutler-Hammer Pow-R-Line C Panelboardsand Switchboards are custom built toyour requirements at our world classmanufacturing plants in Sumter, SC andGrand Prairie, TX.

In addition, Cutler-Hammer has 14 regionalSatellite Plants located across the countrythat are specifically oriented to providingPow-R-Line C Panelboards and Switch-boards to meet your fast service needs.

SAN FRANCISCO

SEATTLE

LOS ANGELESPHOENIX

DENVER

HOUSTON

DALLASGRAND PRAIRIE

ORLANDO

ATLANTA

ST. LOUIS

CHICAGOCLEVELAND

BALTIMORE

WINDSOR

SUMTER

Los Angeles2021 Locust CourtOntario, CA 91761(909) 923-2040

Orlando3827 St. Valentine WayOrlando, FL 32811(407) 843-3863

Phoenix7160 South Harl AvenueTempe, AZ 85283(602) 777-3957

San Francisco20919 Cabot BoulevardHayward, CA 94545(510) 784-8981

Seattle18657 72nd Avenue, SouthKent, WA 98032(206) 251-9081

St. Louis12947 Gravois RoadSt. Louis, MO 63127(314) 842-7662

Windsor625 Day Hill RoadWindsor, CT 06095(860) 688-5330

Atlanta7990-A 2nd Flag DriveSix Flags Industrial ParkAustell, GA 30001(770) 944-1022

Baltimore6671 Santa Barbara CourtElkridge, MD 21227(410) 796-7777

Chicago1951 Touhy AvenueElk Grove Village, IL 60007(847) 439-3070

Cleveland4711 Hinckley Industrial ParkwayCleveland, OH 44109(216) 485-1940

Dallas1100 Avenue TGrand Prairie, TX 75050(972) 988-3339

Denver14101 E. 33rd PlaceSuite FAurora, CO 80011(303) 371-7844

Houston2523 Fairway Park DriveSuite 516Houston, TX 77092(713) 688-8430

Sumter11 Corporate CircleSumter, SC 29150(803) 481-3131

Grand Prairie1102 Avenue TGrand Prairie, TX 75050(214) 606-5900

Main Manufacturing Plants Satellite Locations

SA-303File Number 31-500DEC 96 / CMS 3819Printed in U.S.A.

Cutler-HammerCutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, PA 15220

For Cutler-Hammer Pow-R-Line™ Cand Pow-R-Line Switchboards240, 480, 600 V Ac, 250 V Dc

The world’s most advancedprogrammable trip unit systemfor the next generation of electricaldistribution systems.

Digitrip® OPTIM™ Trip Unit System for Switchboards

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Digitrip OPTIM Trip Unit System for SwitchboardsCutler-Hammer Products

RMS 310 RMS 510 RMS 610 OPTIM 750 RMS 810 RMS 910 OPTIM 1050Consider this possibility. A compressormotor fails phase-to-ground due tooverheating, age, or a bearing failure. Theresulting short circuit could temporarilyshut down your entire facility, costing froma few thousand to hundreds of thousandsof dollars per hour in lost production andrelated costs…unless the protective de-vices have been selectively coordinatedand/or are able to send an early warningalarm to prevent such shutdowns.

Increases in factory automation, micro-processors, and energy managementdemand more sophisticated levels ofprotection, coordination, and electri-

The ProblemHow to Achieve Complex System Coordination,Flexibility, and Closer Thermal Protectionof Your Electrical Distribution System

The Need

The SolutionDigitrip OPTIM Trip Unit System Incorporatedinto Pow-R-Line C and Pow-R-Line iSwitchboards

Digitrip OPTIM Trip Unit Systemin Cutler-Hammer Pow-R-LineSwitchboards

The Digitrip Family of Low VoltageElectronic Trip Units

2 Digitrip OPTIM Trip Unit System Digitrip OPTIM Trip Unit System 11

For years, electrical engineers havestruggled to coordinate protective deviceswithin an electrical distribution system.Achieving selective overcurrent protectionhas been a compromise between toomuch protection and too little. This delicatebalance is further complicated by specificapplication requirements or changes tothe electrical distribution system.

cal system monitoring to minimizedowntime, enhance productivity, andreduce energy costs through greaterefficiency in power utilization.

But there’s more. OPTIM Trip Units alsoprovide: state-of-the-art advanced warn-ing capability, system diagnostics, moni-toring, communications, power and en-ergy monitoring, and harmonics analysis.

Real World Solutions

By integrating OPTIM Trip Units into in-dustry leading Cutler-Hammer low voltagePow-R-Line Panelboards and Switch-boards, engineers can now specify pro-tective devices that deliver real worldsolutions to today’s complex electricaldistribution systems.

Pow-R-Line C Switchboards feature aspace saving design with the capabilityof breakers and fusible switches beinginstalled in the same chassis.

Pow-R-Line i Switchboards feature acompartmentalized design for applica-tions where a greater degree of safetyis required.

➀ Set by adjustable rating plug.➁ Yes, with addition of IQ Energy Sentinel.

In = Rating plug rating.Ir = LDPU setting.

Is = Sensor rating.BIM = Breaker Interface Module.

BREAKER TYPEFrame(s) Series C Series C Series C Series C L-, N-, Series C Series C Series C L-, N-,

K-, L-, N-, R-Frames R-Frame, SPB, R-Frame, SPB, R-Frames, SPB, R-Frame, SPB, R-Frame, SPB, R-Frames, SPB,DSII, and DSLII DSII, and DSLII DSII, and DSLII DSII, and DSLII DSII, and DSLII DSII, and DSLII

Ampere Range 70A-2500A 100A-5000A 100A-5000A 100A-5000A 100A-5000A 100A-5000A 100A-5000AInterrupting Rating @ 480V 35,65, 100 kA 30 thru 200 kA 30 thru 200 kA 35 thru 200 kA 30 thru 200 kA 30 thru 200 kA 35 thru 200 kA

PROTECTION AND COORDINATIONProtec- Ordering Options LS, LSG LSI, LSIG LI, LS, LSI, LIG LI, LSI, LIG LSI(A), LSIG LI, LS, LSI, LIG LI, LS, LSI, LIG LSI(A), LISGtion LSG, LSIG LSG, LSIG LSG, LSIG LSG, LSIG

Fixed Rating Plug (In) Yes Yes Yes Yes Yes Yes Yes YesOvertemperature Trip Yes Yes Yes Yes Yes Yes Yes Yes

Long Adjustable Rating Plug (In) Yes Yes No No No No No NoDelay Long Delay Setting 0.5-1.0 (ln)➀ 0.5-1.0 (ln)➀ 0.5-1.0 (ln) 0.5-1.0 x (In) 0.4-1.0 x (In) 0.5-1.0 x (In) 0.5-1.0 x (In) 0.4-1.0 x (In)

Long Delay Time I2t 12 Seconds 12 Seconds 2-24 Seconds 2-24 Seconds 2-24 Seconds 2-24 Seconds 2-24 Seconds 2-24 SecondsLong DelayThermal Memory Yes Yes Yes Yes Yes Yes Yes Yes

High Load Alarm No No No 0.85 x Ir 0.5-1.0 x Ir 0.85 x Ir 0.85 x Ir 0.5-1.0 x Ir

Short Short Delay Setting 200-800% 200-800% 200-600% 200-600% 150-800% 200-600% 200-600% 150-800% x (ln) x (ln) S1 & S2 x (Ir) S1 & S2 x (Ir) x (Ir) S1 & S2 x (Ir) S1 & S2 x (Ir) x (Ir)

Delay Short Delay Time I2t 100 ms No 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msShort Delay Time Flat No I-300 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msShort Delay Time ZSI No No Yes Yes Yes Yes Yes Yes

Instan- Instantaneous Setting No 200-800% 200-600% 200-600% 200-800% 200-600% 200-600% 200-800%x (ln) M1 & M2 x (ln) M1 & M2 x (ln) x (ln) M1 & M2 x (ln) M1 & M2 x (ln) x (ln)

taneous Discriminator No No Yes➃ Yes➃ Yes Yes➃ Yes➃ YesInstantaneous Override Yes Yes Yes Yes Yes Yes Yes Yes

Ground Ground Fault Setting Var/Frame➂ Var/Frame➂ 25-100% 25-100% 20/25-100%➂ 25-100% 25-100% 20/25-100%➂

x (In)➂ x (In)➂ x (In)➂ x (In)➂

Fault Ground Fault Delay I2t No No 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msGround Fault Delay Flat I-500 ms I-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msGround Fault ZSI No No Yes Yes Yes Yes Yes YesGround FaultThermal Memory Yes Yes Yes Yes Yes Yes Yes Yes

SYSTEM DIAGNOSTICSCause of Trip LEDs No No Yes Yes Yes Yes Yes YesMagnitude of Trip Information No No No Yes Yes Yes Yes YesRemote Signal Contacts No No No Yes Yes Yes Yes Yes

SYSTEM MONITORING

Digital Display No No No Yes 0 Yes➅ Yes Yes 0 Yes➅

Current No No No Yes Yes Yes Yes YesVoltage No No No No No No Yes YesPower and Energy 0␣ No➁ 0␣ No➁ 0␣ No➁ 0␣ No➁ No Yes Yes YesPower Quality – Harmonics No No No No No No Yes YesPower Factor No No No No No 0 Yes➄ Yes Yes

SYSTEM COMMUNICATIONS

IMPACC No No No No Yes Yes Yes Yes

FIELD TESTING

Testing Method➀ Test Set Test Set Integral Integral OPTIMizer, BIM, Integral Integral OPTIMizer, BIM,IMPACC IMPACC

LongDelay

ShortDelay

Instan-taneous

GroundFault

Protec-tion

➄ Over IMPACC only.➅ By OPTIMizer/BIM.

➂ Not to exceed 1200A.➃ LS, LSG only.

Digitrip OPTIM is the programmable com-municating microprocessor-based lowvoltage electronic trip unit system forCutler-Hammer Series C® Molded CaseBreakers and low voltage power breakers.

Unique ProgrammableProtection and Coordination

OPTIM Trip Units provide the capabilityto create custom overcurrent protectionto meet the exact load requirements ofyour electrical distribution system…afeature unavailable in any other trip unit.We’ve also added I4t curve shaping toprovide closer coordination with upstreamfuses and transformer damage curves.This high level of selectivity allows yoursystem to be matched more closely,bringing “trip” and “don’t trip” marginscloser than previously possible.

The many benefits of programmabilityinclude more settings, better accuracy,faster configuration, remote accessibility,and higher system security…plus the abil-ity to incorporate software programs.

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Digitrip OPTIM Trip Unit System 310 Digitrip OPTIM Trip Unit System

Typical Digitrip OPTIM Trip UnitApplications

A Complete Low Voltage Systemfor All Applications

Cutler-Hammer has integrated OPTIM TripUnits into the Pow-R-Line family of lowvoltage panelboards and switchboards…expanding their design flexibility to uti-lize the complete family of Cutler-Hammermolded case breakers, low voltage airpower breakers, encased power break-ers, and fusible switches.

Digitrip OPTIM Trip Units are availablein Series C Molded Case Circuit Break-er L-, N-, and R-frames down to a 70ampere rating plug…and for Type SPBencased power breakers and Type DSII/DSLII low voltage air power breakers.

A Digitrip OPTIM system includes:

■ An OPTIM 750 or 1050 Trip Unit…with

– A hand held OPTIMizer programmerand/or;

– A panel mounted Breaker InterfaceModule and/or;

– IMPACC software to set, configure, di-agnose, monitor, and test the system.

Programmable Trip Technologyfor the World’s Most Reliable Familyof Low Voltage Circuit Breakers

Type SPB Systems Pow-R™ Circuit Breakers

Continuous ampere ratings from 200 to5,000 amperes.

Series C Molded Case Circuit Breakers

Continuous ampere ratings from 70 to2,500 amperes in L-, N-, and R-frames.

Type DSII and DSLII Air Power Circuit Breakers


Three Programming and MonitoringMethods Provide OPTIMum Flexibility

Stand Alone

OPTIMizer

A hand held programmer, used to pro-gram and monitor individual trip units.It plugs directly into the trip unit and ac-cesses, displays, and configures infor-mation from the OPTIM Trip Unit. Anoperator can:

■ Complete initial system setup.

■ Configure the system.

■ Display information.

■ Test trip unit performance.

■ Set system password.

Breaker Interface Module

The panel mounted Breaker InterfaceModule (BIM) is used to program andmonitor OPTIM Trip Units at the assem-bly…and access, display, and configureinformation from OPTIM Trip Units. Anycombination of OPTIM Trip Units and/orDigitrip RMS 810 and 910 Trip Units* and/or IQ Energy Sentinels™ can communicatewith the BIM. It duplicates OPTIMizercapabilities while providing these addi-tional features:

■ Expanded energy monitoring. Anoperator can set addresses for groupenergy monitoring and group energyreadings.

■ Local and remote indication andalarming.

■ Expanded communications capabilitieswith OPTIM Trip Units, Digitrip RMSTrip Units, and IQ Energy Sentinels.

Sub-Network IMPACC Communications

The IMPACC System

It provides programming and monitoringcapabilities from a personal computer.

■ All OPTIM programming, configuration,advance warning, diagnostic, monitor-ing, and control capabilities can beaccessed from a PC using IMPACCSeries III software.

■ A coordination software package thatdisplays, configures, and coordinatestime-current protection curves.

■ Energy Billing Software (stand aloneapplication specific package) providescapabilities to determine energyusage data by individual depart-ments or tenants in a facility…andthen creates “electric bills.”

■ Waveform and harmonic display soft-ware allows displays of captured wave-forms for phase-to-phase, phase-to-neutral, and neutral-to-ground voltages.The display can also include totalharmonic distortion (THD) and indi-vidual harmonic currents of phasecurrents A, B, C, neutral, and ground.

* Refer to page 11 for additional information.

ProblemA manufacturing facility continues to setnew peak kWh demand levels with theutility. New machinery, increased produc-tion on several manufacturing lines, andincreases in HVAC usage, are thought tobe the reason. The main switchboardalready has a meter to monitor and mea-sure kWh, but this will not alert the custom-er when the system is approaching thepeak demand threshold or “break out”those areas responsible for the increases.

ProblemA consultant is upgrading a waste watertreatment facility where several variablefrequency drives are being added to theexisting distribution system. This site hasexperienced harmonic problems in thepast. Knowing that the variable frequencydrives may create harmonics on the sys-tem, the consultant would like the abilityto monitor their harmonics, in the eventpreventative measures are needed.

ProblemA major university has always used fus-ible switches for their power distributionsystems, but would like to utilize moldedcase circuit breakers on their next projectdue to the advantages circuit breakersprovide. The problem lies with coordinat-ing the switchboard’s feeder breakerswith this upstream fuse.

SolutionOPTIM 1050 Trip Units monitor and mea-sure power and energy. Specific loads(production lines, machinery, HVAC, etc.)can now provide power and energy in-formation. This unique feature allows acustomer to analyze and allocate actualenergy usage on a department or produc-tion line basis rather than as percentageof the total energy bill. Also, energy alarm-ing allows the customer to receive analarm whenever a preset kWh level isreached, allowing the customer to shedsome noncritical loads or adjust their energyusage so that peak kWh is not exceeded.

SolutionOPTIM 1050 Trip Units monitor and mea-sure harmonics. THD alarming will detecta change in power quality and alert thecustomer. Their sensitivity, up to the 27thharmonic, will identify the harmonic con-tent and help the customer solve even themost demanding applications wherepower quality is an issue.

SolutionOPTIM Trip Units support an I4t long de-lay versus the traditional I2t for allowingclose coordination with fuses. Now cus-tomers can mix circuit breakers and fuseswhile assuring selectivity.

ProblemA manufacturing facility built in 1990 isrequired to replace several process lineswith a more advanced automated manu-facturing line. The new protection re-quirements are quite different from the oldprotection settings, and now, the original600 ampere circuit breaker does not co-ordinate well with the distribution system.

SolutionOPTIM Trip Units are programmable andprovide virtual infinite settings. Settingincrements are increased by a factor often as compared to conventional frontadjustable trip units. As your distributionsystem changes, you simply reprogram(reshape) the trip curve, to guaranteeselectivity.

ProblemAn automotive plant needs to increaseproduction capacity on an existing as-sembly line but wants greater reliabilityand reduced “downtime” to support theinvestment.

SolutionOPTIM Trip Units support zone interlock-ing. The plant engineer is able to extendthis protection throughout the assemblyline to provide better isolation and greaterreliability. Also, with built-in communica-tions and alarm capability, the whole sys-tem can be monitored to provide the plantengineering staff with critical data to re-duce “downtime.”

Protection and Coordination

Power Quality

Energy Monitoring



Programmability,A New Level of Technology

Digitrip OPTIM Trip Units are wired at the factory tocustomer specifications and are shipped ready forcustomer programming.

Superior rms Sensingfor Accuracy and Reliability

Digitrip OPTIM Trip Units utilize the pro-prietary SuRE Plus™ Chip microprocessorthat provides unparalleled accuracy forprotection, system diagnostics, monitor-ing, and communications.

Programming and Monitoring Methods

Programming and trip unit monitoringcan be completed at the trip unit with thehand held OPTIMizer while the BreakerInterface Module provides programmingand monitoring at the assembly. WithIMPACC Communications, programmingand monitoring can be accomplishedremotely from a personal computer.

OPTIM 750 OPTIM 1050

DigitripOPTIM750Features

■ rms Sensing

■ Programmable

■ 10 Curve ShapingAdjustments

■ Load Monitoring

■ Diagnostics

■ Communications

■ Power and EnergyMonitoring

■ Harmonics

■ rms Sensing

■ Programmable


■ Load Monitoring

■ Diagnostics

■ Communications


OPTIM technology builds upon theoriginal, front adjustable Digitrip RMSTrip Units to provide high reliability andincreased functionality to meet the so-phisticated demands of today’s andtomorrow’s electrical distribution systems.

Digitrip OPTIM Trip Units can be easily programmedand monitored at the switchboard using the handheld OPTIMizer.

Compartmentalized Designfor Rear Construction

Distribution Section– Front and Side View

■1 Available zero sequence ground fault.

■2 Tandem mounted breakers through 400 amperes.

■3 Glass polyester breaker compartment.

■4 Insulated copper load side runbacks.

■5 Full length barrier isolating the busand cable compartments.

■6 Horizontal cross bus.

■7 Anti-turn lugs.

■8 Movable cable brace.

■9 Generous conduit space.

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■ Three section construction with eachbarriered from the other.

– Device Section. Each device ismounted in its own compartment.

– Bus Bar Section. Contains bothhorizontal and vertical busses.

– Rear Cable Compartment. Com-pletely isolated from the bus bars.

■ Insulated copper runback. Powertaken from the protective device bythe runback through a standard fullheight glass polyester barrier to therear cable compartment, virtuallyeliminating the possibility of acci-dental contact with the main bussesduring installation or maintenance.

Increased Safety Features

■ Compartmentalized design for use wherea greater degree of safety is required.

■ Individual compartments for branchdevices – glass polyester for breakersand steel for fusible switches. Com-partments help eliminate possiblecontact with the main bus and reducefault propagation.

Photo of switchboard

Five L- or N-frame breakers with Digitrip OPTIM TripUnits and one Breaker Interface Module can bemounted in a single 36-inch (914.40-mm) wide dis-tribution structure. Six L- or N-frame breakers canbe mounted when the Breaker Interface Module ismounted in another section or is not required.

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OPTIM Trip Units in Pow-R-LineCompartmentalized Switchboards

Superior Protection and Coordination,Systems Monitoring, EnergyManagement, and Communications

Programmability Increases Protectionand Coordination Capabilities

■ Virtual Infinite Settings. Settingincrements are increased by a factorof 10 as compared with conventionalfront adjustable trip units.

■ Improved Accuracy and Reliability.Time-current pick-up setpoints areshown in actual amperes, not multiples.True rms sensing prevents nuisance tripscaused by nonsinusoidal waveforms.

■ System Security. Programmablepassword protection.

■ Thermal Memory. Selectable pow-ered and unpowered thermal memory

prevents cumulative overheating dueto repeated overloads, eliminatingnuisance trips.

■ Selectable Sure Start Discriminator.Provides protection when closing abreaker on startup if no instantaneoussetting has been programmed.

■ I4t Curve Shaping. This long delay timeslope provides better coordination withfuses and transformer damage curves.

■ Short Delay and Ground Delay ZoneSelective Interlocking. Providespositive selectivity on ground fault andshort time protection without timedelays…down to a 70 ampere breaker.

Extensive Monitoring Capabilitiesand Early Warning Alarms Keep theSystem Operating and Productive

■ Programmable High Load Phaseand Neutral Alarm and GroundFault Alarm. Alert the user to animpending trip condition withouttripping the breaker. Monitoredlocally at the breaker or remotely.

Data You Can Use to Manage EnergyCosts and Enhance Power Quality

■ Power and Energy Monitoring of peakdemand, present demand in kW, for-ward, reverse, and total energy in kWh.

■ Energy Alarming such as 90% ofpeak demand exceeded.

■ Field Testing. Trip or no trip testingcan be done to verify performanceand operation.

■ Trip Event Information. Four LEDson the trip unit are complemented bytrip event information stored in theOPTIM Trip Unit memory after a tripcondition. This information can beused to develop reports which analyzepatterns of system alarms, systemloadings, power flow, peak demand,and kWh usage.

■ Power Quality Monitoring of THDand harmonic content (first through27th) in phases A, B, C, neutral,and ground.

■ THD Alarming to detect a changein power quality.

■ Power Factor Monitoring.

System Communicationsand Software

The Cutler-Hammer IMPACC monitoring,protection, and control communicationssystem is the most highly reliable and costeffective communications system available.From a master control PC, either on-siteor off-site, the plant operator, facilitiesengineer, and/or maintenance personnelcan monitor and/or control the entirepower distribution system. Informationcan be made available to other PCs atdifferent locations within a facility.

All OPTIM programming, configuration,advance warning, diagnostic, monitoring,and control capabilities can be accessedfrom a central PC using IMPACC SeriesIII software.

Additional IMPACC software packagesinclude:

■ Circuit Breaker Configuration andTrip Curve Package that displays,configures, and coordinates time-current protection curves for OPTIMTrip Units and other devices that canbe included on an IMPACC System.Multiple trip curves can be displayedon the screen to show how thesedevices coordinate.

■ Energy Billing Software (standalone application specific package)provides capabilities to determineenergy usage data by individualdepartments or tenants in a facility…and then creates “electric bills.”

■ Waveform Capture and HarmonicDisplay Software performs a wave-form capture of phase currents A, B,and C as well as neutral and ground.In addition, total harmonic distortion(THD) and individual harmonic cur-rents of phase currents A, B, C,neutral, and ground can be displayed.

Highly Reliable, ComprehensiveCommunications that Will Improvethe Operating Effectivenessof Your Facility

PROTECTION AND COORDINATION

Provides Data to Improve Power System Reliability

Pow-R-Line i compartmentalized switch-boards are engineered for applicationswhere a greater degree of safety is required.These switchboards are rear accessible

and utilize the full family of Cutler-Hammermolded case circuit breakers and fus-ible switches.

Design capabilities are enhanced by awide range of available main devices,utility provisions, and customer meteringarrangements.

Construction Features ■ Meets NEMA Standard PB-2 andUL 891.

■ Rear accessible.

■ 6,000 ampere main bus ampacity.

■ 65 kAIC standard bus bracing. Optional100 kAIC or 200 kAIC.

■ Standard aluminum bus. Optionalcopper or silver-plated bus bar.

■ A full range of device modifications.

■ ANSI 61 powder coat paint finish.

■ NEMA Type 1 or Type 3R enclosures.

■ Seismically tested, seismically quali-fied, and exceeds requirements ofthe Uniform Building Code (UBC) andthe California Building Code (CBC).

■1 Customer Metering■ Full family of IQ metering and protective

devices available.■ Conventional meters and switches available.

■2 Utility Metering■ Built to specific utility requirements for all

service areas.

■3 Main Devices, Individually Mounted■ Series C Breaker; 400-2,500 amperes, fixed

mounted or drawout.■ Insulated Case Power Breaker; SPB, 800-

5,000 amperes, fixed mounted.■ Insulated Case Power Breaker; SPB, 800-4,000

amperes, drawout.■ Power Circuit Breaker; DSII/DSLII, 800-4,000

amperes, fixed mounted or drawout.■ Digitrip RMS 310, 510, 610, 810, 910, and

OPTIM 750 and 1050 Trip Units available.■ Bolted pressure contact switch; 800-6,000

amperes, fixed mounted.■ Fusible switches; FDPW, 400-1,200 amperes,

fixed mounted.■ Main lugs only; mechanical or compression,

400-6,000 amperes.■ Incoming busway or transformer connection

available.

■4 Feeder Devices, Compartmentalized■ Series C Breaker; 15-1,200 amperes.■ Digitrip RMS 310, OPTIM 750, and OPTIM 1050

Trip Units available.■ Fusible switches; FDPW, 30-1,200 amperes.■ Ability to mix circuit breakers and fusible

switches.■ Optional 11X compartment for customer mounted

devices available.■ Optional customer metering available;

maximum 38X space.

ENERGY MONITORING

Provides Data to Help Control Energy Costs

POWER QUALITY

Provides Data to Reduce Downtime and EquipmentDamage

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OPTIM Trip Units in Pow-R-Line CGroup Mounted Switchboards




service areas.










available.

■4 Feeder Devices, Panel Mounted■ Series C Breaker; 15-1,200 amperes.■ Digitrip RMS 310, OPTIM 750, and OPTIM 1050



devices available.■ Optional customer metering compartment

available; maximum 38X space.

Construction Features

Pow-R-Line C Group Mounted Switch-boards feature a standardized, cost ef-fective design that makes them easy to

install and maintain. They utilize the fullfamily of Cutler-Hammer molded casecircuit breakers and fusible switches.

Design capabilities are enhanced by thewide range of available main devices,utility provisions, and customer meteringarrangements.

■ Meets NEMA Standard PB-2and UL 891.

■ Front and rear accessible.



■ Standard aluminum bus bar. Optionalcopper or silver-plated copper bus bar.






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Digitrip OPTIM Trip Units can be easily programmedand monitored at the switchboard using the BreakerInterface Module. A hinged compartment houses theBIM and a 30 V Dc power supply for communicationscapability. For OPTIM 1050 Trip Units, a potentialtransformer module is supplied to provide voltagefor power and energy monitoring.

■1 Branch wiring gutters.

■2 Optional hinged gutter covers to provide easyaccess to branch wiring.

■3 Unique chassis design accommodates a variety ofCutler-Hammer breakers, trip units, and accessories.

■4 Fully rated cross bus (never tapered) is predrilledto accept future Pow-R-Line C sections.

■5 Optional IQ Energy Sentinel mounted on a K-framebreaker. This device allows the customer tomonitor energy usage (kWh) through a BIM, IMPACC,or a personal computer. IQ Energy Sentinels areavailable on standard F-, J-, or K-frame breakers.

■6 Ability to twin mount K-frame (400 ampere) breakers.

■7 L-frame breaker with a Digitrip OPTIM 1050 TripUnit factory wired for communications, ground fault,energy monitoring, and harmonics monitoring.

■8 All OPTIM Trip Unit wiring is marked and securelybound with wire ties and accessible for customerinspection. The Cutler-Hammer reputation forquality and attention to detail is typified by thewiring, consistently characterized as “superior.”

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Optional hinged gutter covers to provide easy accessto branch wiring.

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OPTIM Trip Units in Pow-R-LineCompartmentalized Switchboards

Superior Protection and Coordination,Systems Monitoring, EnergyManagement, and Communications

Programmability Increases Protectionand Coordination Capabilities

■ Virtual Infinite Settings. Settingincrements are increased by a factorof 10 as compared with conventionalfront adjustable trip units.

■ Improved Accuracy and Reliability.Time-current pick-up setpoints areshown in actual amperes, not multiples.True rms sensing prevents nuisance tripscaused by nonsinusoidal waveforms.

■ System Security. Programmablepassword protection.

■ Thermal Memory. Selectable pow-ered and unpowered thermal memory

prevents cumulative overheating dueto repeated overloads, eliminatingnuisance trips.

■ Selectable Sure Start Discriminator.Provides protection when closing abreaker on startup if no instantaneoussetting has been programmed.

■ I4t Curve Shaping. This long delay timeslope provides better coordination withfuses and transformer damage curves.

■ Short Delay and Ground Delay ZoneSelective Interlocking. Providespositive selectivity on ground fault andshort time protection without timedelays…down to a 70 ampere breaker.

Extensive Monitoring Capabilitiesand Early Warning Alarms Keep theSystem Operating and Productive

■ Programmable High Load Phaseand Neutral Alarm and GroundFault Alarm. Alert the user to animpending trip condition withouttripping the breaker. Monitoredlocally at the breaker or remotely.

Data You Can Use to Manage EnergyCosts and Enhance Power Quality

■ Power and Energy Monitoring of peakdemand, present demand in kW, for-ward, reverse, and total energy in kWh.

■ Energy Alarming such as 90% ofpeak demand exceeded.

■ Field Testing. Trip or no trip testingcan be done to verify performanceand operation.

■ Trip Event Information. Four LEDson the trip unit are complemented bytrip event information stored in theOPTIM Trip Unit memory after a tripcondition. This information can beused to develop reports which analyzepatterns of system alarms, systemloadings, power flow, peak demand,and kWh usage.

■ Power Quality Monitoring of THDand harmonic content (first through27th) in phases A, B, C, neutral,and ground.

■ THD Alarming to detect a changein power quality.

■ Power Factor Monitoring.

System Communicationsand Software

The Cutler-Hammer IMPACC monitoring,protection, and control communicationssystem is the most highly reliable and costeffective communications system available.From a master control PC, either on-siteor off-site, the plant operator, facilitiesengineer, and/or maintenance personnelcan monitor and/or control the entirepower distribution system. Informationcan be made available to other PCs atdifferent locations within a facility.

All OPTIM programming, configuration,advance warning, diagnostic, monitoring,and control capabilities can be accessedfrom a central PC using IMPACC SeriesIII software.

Additional IMPACC software packagesinclude:

■ Circuit Breaker Configuration andTrip Curve Package that displays,configures, and coordinates time-current protection curves for OPTIMTrip Units and other devices that canbe included on an IMPACC System.Multiple trip curves can be displayedon the screen to show how thesedevices coordinate.

■ Energy Billing Software (standalone application specific package)provides capabilities to determineenergy usage data by individualdepartments or tenants in a facility…and then creates “electric bills.”

■ Waveform Capture and HarmonicDisplay Software performs a wave-form capture of phase currents A, B,and C as well as neutral and ground.In addition, total harmonic distortion(THD) and individual harmonic cur-rents of phase currents A, B, C,neutral, and ground can be displayed.

Highly Reliable, ComprehensiveCommunications that Will Improvethe Operating Effectivenessof Your Facility

PROTECTION AND COORDINATION

Provides Data to Improve Power System Reliability

Pow-R-Line i compartmentalized switch-boards are engineered for applicationswhere a greater degree of safety is required.These switchboards are rear accessible

and utilize the full family of Cutler-Hammermolded case circuit breakers and fus-ible switches.

Design capabilities are enhanced by awide range of available main devices,utility provisions, and customer meteringarrangements.

Construction Features ■ Meets NEMA Standard PB-2 andUL 891.

■ Rear accessible.



■ Standard aluminum bus. Optionalcopper or silver-plated bus bar.








service areas.










available.

■4 Feeder Devices, Compartmentalized■ Series C Breaker; 15-1,200 amperes.■ Digitrip RMS 310, OPTIM 750, and OPTIM 1050



devices available.■ Optional customer metering available;

maximum 38X space.

ENERGY MONITORING

Provides Data to Help Control Energy Costs

POWER QUALITY

Provides Data to Reduce Downtime and EquipmentDamage

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Programmability,A New Level of Technology

Digitrip OPTIM Trip Units are wired at the factory tocustomer specifications and are shipped ready forcustomer programming.

Superior rms Sensingfor Accuracy and Reliability

Digitrip OPTIM Trip Units utilize the pro-prietary SuRE Plus™ Chip microprocessorthat provides unparalleled accuracy forprotection, system diagnostics, monitor-ing, and communications.

Programming and Monitoring Methods

Programming and trip unit monitoringcan be completed at the trip unit with thehand held OPTIMizer while the BreakerInterface Module provides programmingand monitoring at the assembly. WithIMPACC Communications, programmingand monitoring can be accomplishedremotely from a personal computer.

OPTIM 750 OPTIM 1050


■ rms Sensing

■ Programmable


■ Load Monitoring

■ Diagnostics

■ Communications

■ Power and EnergyMonitoring

■ Harmonics

■ rms Sensing

■ Programmable


■ Load Monitoring

■ Diagnostics

■ Communications


OPTIM technology builds upon theoriginal, front adjustable Digitrip RMSTrip Units to provide high reliability andincreased functionality to meet the so-phisticated demands of today’s andtomorrow’s electrical distribution systems.

Digitrip OPTIM Trip Units can be easily programmedand monitored at the switchboard using the handheld OPTIMizer.

Compartmentalized Designfor Rear Construction

Distribution Section– Front and Side View

■1 Available zero sequence ground fault.

■2 Tandem mounted breakers through 400 amperes.

■3 Glass polyester breaker compartment.

■4 Insulated copper load side runbacks.

■5 Full length barrier isolating the busand cable compartments.

■6 Horizontal cross bus.

■7 Anti-turn lugs.

■8 Movable cable brace.

■9 Generous conduit space.

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■ Three section construction with eachbarriered from the other.

– Device Section. Each device ismounted in its own compartment.

– Bus Bar Section. Contains bothhorizontal and vertical busses.

– Rear Cable Compartment. Com-pletely isolated from the bus bars.

■ Insulated copper runback. Powertaken from the protective device bythe runback through a standard fullheight glass polyester barrier to therear cable compartment, virtuallyeliminating the possibility of acci-dental contact with the main bussesduring installation or maintenance.

Increased Safety Features

■ Compartmentalized design for use wherea greater degree of safety is required.

■ Individual compartments for branchdevices – glass polyester for breakersand steel for fusible switches. Com-partments help eliminate possiblecontact with the main bus and reducefault propagation.

Photo of switchboard


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Typical Digitrip OPTIM Trip UnitApplications

A Complete Low Voltage Systemfor All Applications

Cutler-Hammer has integrated OPTIM TripUnits into the Pow-R-Line family of lowvoltage panelboards and switchboards…expanding their design flexibility to uti-lize the complete family of Cutler-Hammermolded case breakers, low voltage airpower breakers, encased power break-ers, and fusible switches.

Digitrip OPTIM Trip Units are availablein Series C Molded Case Circuit Break-er L-, N-, and R-frames down to a 70ampere rating plug…and for Type SPBencased power breakers and Type DSII/DSLII low voltage air power breakers.

A Digitrip OPTIM system includes:

■ An OPTIM 750 or 1050 Trip Unit…with

– A hand held OPTIMizer programmerand/or;

– A panel mounted Breaker InterfaceModule and/or;

– IMPACC software to set, configure, di-agnose, monitor, and test the system.

Programmable Trip Technologyfor the World’s Most Reliable Familyof Low Voltage Circuit Breakers

Type SPB Systems Pow-R™ Circuit Breakers


Series C Molded Case Circuit Breakers

Continuous ampere ratings from 70 to2,500 amperes in L-, N-, and R-frames.

Type DSII and DSLII Air Power Circuit Breakers


Three Programming and MonitoringMethods Provide OPTIMum Flexibility

Stand Alone

OPTIMizer

A hand held programmer, used to pro-gram and monitor individual trip units.It plugs directly into the trip unit and ac-cesses, displays, and configures infor-mation from the OPTIM Trip Unit. Anoperator can:

■ Complete initial system setup.

■ Configure the system.

■ Display information.

■ Test trip unit performance.

■ Set system password.

Breaker Interface Module

The panel mounted Breaker InterfaceModule (BIM) is used to program andmonitor OPTIM Trip Units at the assem-bly…and access, display, and configureinformation from OPTIM Trip Units. Anycombination of OPTIM Trip Units and/orDigitrip RMS 810 and 910 Trip Units* and/or IQ Energy Sentinels™ can communicatewith the BIM. It duplicates OPTIMizercapabilities while providing these addi-tional features:

■ Expanded energy monitoring. Anoperator can set addresses for groupenergy monitoring and group energyreadings.

■ Local and remote indication andalarming.

■ Expanded communications capabilitieswith OPTIM Trip Units, Digitrip RMSTrip Units, and IQ Energy Sentinels.

Sub-Network IMPACC Communications

The IMPACC System

It provides programming and monitoringcapabilities from a personal computer.

■ All OPTIM programming, configuration,advance warning, diagnostic, monitor-ing, and control capabilities can beaccessed from a PC using IMPACCSeries III software.

■ A coordination software package thatdisplays, configures, and coordinatestime-current protection curves.

■ Energy Billing Software (stand aloneapplication specific package) providescapabilities to determine energyusage data by individual depart-ments or tenants in a facility…andthen creates “electric bills.”

■ Waveform and harmonic display soft-ware allows displays of captured wave-forms for phase-to-phase, phase-to-neutral, and neutral-to-ground voltages.The display can also include totalharmonic distortion (THD) and indi-vidual harmonic currents of phasecurrents A, B, C, neutral, and ground.

* Refer to page 11 for additional information.

ProblemA manufacturing facility continues to setnew peak kWh demand levels with theutility. New machinery, increased produc-tion on several manufacturing lines, andincreases in HVAC usage, are thought tobe the reason. The main switchboardalready has a meter to monitor and mea-sure kWh, but this will not alert the custom-er when the system is approaching thepeak demand threshold or “break out”those areas responsible for the increases.

ProblemA consultant is upgrading a waste watertreatment facility where several variablefrequency drives are being added to theexisting distribution system. This site hasexperienced harmonic problems in thepast. Knowing that the variable frequencydrives may create harmonics on the sys-tem, the consultant would like the abilityto monitor their harmonics, in the eventpreventative measures are needed.

ProblemA major university has always used fus-ible switches for their power distributionsystems, but would like to utilize moldedcase circuit breakers on their next projectdue to the advantages circuit breakersprovide. The problem lies with coordinat-ing the switchboard’s feeder breakerswith this upstream fuse.

SolutionOPTIM 1050 Trip Units monitor and mea-sure power and energy. Specific loads(production lines, machinery, HVAC, etc.)can now provide power and energy in-formation. This unique feature allows acustomer to analyze and allocate actualenergy usage on a department or produc-tion line basis rather than as percentageof the total energy bill. Also, energy alarm-ing allows the customer to receive analarm whenever a preset kWh level isreached, allowing the customer to shedsome noncritical loads or adjust their energyusage so that peak kWh is not exceeded.

SolutionOPTIM 1050 Trip Units monitor and mea-sure harmonics. THD alarming will detecta change in power quality and alert thecustomer. Their sensitivity, up to the 27thharmonic, will identify the harmonic con-tent and help the customer solve even themost demanding applications wherepower quality is an issue.

SolutionOPTIM Trip Units support an I4t long de-lay versus the traditional I2t for allowingclose coordination with fuses. Now cus-tomers can mix circuit breakers and fuseswhile assuring selectivity.

ProblemA manufacturing facility built in 1990 isrequired to replace several process lineswith a more advanced automated manu-facturing line. The new protection re-quirements are quite different from the oldprotection settings, and now, the original600 ampere circuit breaker does not co-ordinate well with the distribution system.

SolutionOPTIM Trip Units are programmable andprovide virtual infinite settings. Settingincrements are increased by a factor often as compared to conventional frontadjustable trip units. As your distributionsystem changes, you simply reprogram(reshape) the trip curve, to guaranteeselectivity.

ProblemAn automotive plant needs to increaseproduction capacity on an existing as-sembly line but wants greater reliabilityand reduced “downtime” to support theinvestment.

SolutionOPTIM Trip Units support zone interlock-ing. The plant engineer is able to extendthis protection throughout the assemblyline to provide better isolation and greaterreliability. Also, with built-in communica-tions and alarm capability, the whole sys-tem can be monitored to provide the plantengineering staff with critical data to re-duce “downtime.”

Protection and Coordination

Power Quality

Energy Monitoring


RMS 310 RMS 510 RMS 610 OPTIM 750 RMS 810 RMS 910 OPTIM 1050Consider this possibility. A compressormotor fails phase-to-ground due tooverheating, age, or a bearing failure. Theresulting short circuit could temporarilyshut down your entire facility, costing froma few thousand to hundreds of thousandsof dollars per hour in lost production andrelated costs…unless the protective de-vices have been selectively coordinatedand/or are able to send an early warningalarm to prevent such shutdowns.

Increases in factory automation, micro-processors, and energy managementdemand more sophisticated levels ofprotection, coordination, and electri-

The ProblemHow to Achieve Complex System Coordination,Flexibility, and Closer Thermal Protectionof Your Electrical Distribution System

The Need

The SolutionDigitrip OPTIM Trip Unit System Incorporatedinto Pow-R-Line C and Pow-R-Line iSwitchboards

Digitrip OPTIM Trip Unit Systemin Cutler-Hammer Pow-R-LineSwitchboards

The Digitrip Family of Low VoltageElectronic Trip Units


For years, electrical engineers havestruggled to coordinate protective deviceswithin an electrical distribution system.Achieving selective overcurrent protectionhas been a compromise between toomuch protection and too little. This delicatebalance is further complicated by specificapplication requirements or changes tothe electrical distribution system.

cal system monitoring to minimizedowntime, enhance productivity, andreduce energy costs through greaterefficiency in power utilization.

But there’s more. OPTIM Trip Units alsoprovide: state-of-the-art advanced warn-ing capability, system diagnostics, moni-toring, communications, power and en-ergy monitoring, and harmonics analysis.

Real World Solutions

By integrating OPTIM Trip Units into in-dustry leading Cutler-Hammer low voltagePow-R-Line Panelboards and Switch-boards, engineers can now specify pro-tective devices that deliver real worldsolutions to today’s complex electricaldistribution systems.

Pow-R-Line C Switchboards feature aspace saving design with the capabilityof breakers and fusible switches beinginstalled in the same chassis.

Pow-R-Line i Switchboards feature acompartmentalized design for applica-tions where a greater degree of safetyis required.

➀ Set by adjustable rating plug.➁ Yes, with addition of IQ Energy Sentinel.

In = Rating plug rating.Ir = LDPU setting.

Is = Sensor rating.BIM = Breaker Interface Module.

BREAKER TYPEFrame(s) Series C Series C Series C Series C L-, N-, Series C Series C Series C L-, N-,

K-, L-, N-, R-Frames R-Frame, SPB, R-Frame, SPB, R-Frames, SPB, R-Frame, SPB, R-Frame, SPB, R-Frames, SPB,DSII, and DSLII DSII, and DSLII DSII, and DSLII DSII, and DSLII DSII, and DSLII DSII, and DSLII

Ampere Range 70A-2500A 100A-5000A 100A-5000A 100A-5000A 100A-5000A 100A-5000A 100A-5000AInterrupting Rating @ 480V 35,65, 100 kA 30 thru 200 kA 30 thru 200 kA 35 thru 200 kA 30 thru 200 kA 30 thru 200 kA 35 thru 200 kA

PROTECTION AND COORDINATIONProtec- Ordering Options LS, LSG LSI, LSIG LI, LS, LSI, LIG LI, LSI, LIG LSI(A), LSIG LI, LS, LSI, LIG LI, LS, LSI, LIG LSI(A), LISGtion LSG, LSIG LSG, LSIG LSG, LSIG LSG, LSIG

Fixed Rating Plug (In) Yes Yes Yes Yes Yes Yes Yes YesOvertemperature Trip Yes Yes Yes Yes Yes Yes Yes Yes

Long Adjustable Rating Plug (In) Yes Yes No No No No No NoDelay Long Delay Setting 0.5-1.0 (ln)➀ 0.5-1.0 (ln)➀ 0.5-1.0 (ln) 0.5-1.0 x (In) 0.4-1.0 x (In) 0.5-1.0 x (In) 0.5-1.0 x (In) 0.4-1.0 x (In)

Long Delay Time I2t 12 Seconds 12 Seconds 2-24 Seconds 2-24 Seconds 2-24 Seconds 2-24 Seconds 2-24 Seconds 2-24 SecondsLong DelayThermal Memory Yes Yes Yes Yes Yes Yes Yes Yes

High Load Alarm No No No 0.85 x Ir 0.5-1.0 x Ir 0.85 x Ir 0.85 x Ir 0.5-1.0 x Ir

Short Short Delay Setting 200-800% 200-800% 200-600% 200-600% 150-800% 200-600% 200-600% 150-800% x (ln) x (ln) S1 & S2 x (Ir) S1 & S2 x (Ir) x (Ir) S1 & S2 x (Ir) S1 & S2 x (Ir) x (Ir)

Delay Short Delay Time I2t 100 ms No 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msShort Delay Time Flat No I-300 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msShort Delay Time ZSI No No Yes Yes Yes Yes Yes Yes

Instan- Instantaneous Setting No 200-800% 200-600% 200-600% 200-800% 200-600% 200-600% 200-800%x (ln) M1 & M2 x (ln) M1 & M2 x (ln) x (ln) M1 & M2 x (ln) M1 & M2 x (ln) x (ln)

taneous Discriminator No No Yes➃ Yes➃ Yes Yes➃ Yes➃ YesInstantaneous Override Yes Yes Yes Yes Yes Yes Yes Yes

Ground Ground Fault Setting Var/Frame➂ Var/Frame➂ 25-100% 25-100% 20/25-100%➂ 25-100% 25-100% 20/25-100%➂

x (In)➂ x (In)➂ x (In)➂ x (In)➂

Fault Ground Fault Delay I2t No No 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msGround Fault Delay Flat I-500 ms I-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 ms 100-500 msGround Fault ZSI No No Yes Yes Yes Yes Yes YesGround FaultThermal Memory Yes Yes Yes Yes Yes Yes Yes Yes

SYSTEM DIAGNOSTICSCause of Trip LEDs No No Yes Yes Yes Yes Yes YesMagnitude of Trip Information No No No Yes Yes Yes Yes YesRemote Signal Contacts No No No Yes Yes Yes Yes Yes

SYSTEM MONITORING

Digital Display No No No Yes 0 Yes➅ Yes Yes 0 Yes➅

Current No No No Yes Yes Yes Yes YesVoltage No No No No No No Yes YesPower and Energy 0␣ No➁ 0␣ No➁ 0␣ No➁ 0␣ No➁ No Yes Yes YesPower Quality – Harmonics No No No No No No Yes YesPower Factor No No No No No 0 Yes➄ Yes Yes

SYSTEM COMMUNICATIONS

IMPACC No No No No Yes Yes Yes Yes

FIELD TESTING

Testing Method➀ Test Set Test Set Integral Integral OPTIMizer, BIM, Integral Integral OPTIMizer, BIM,IMPACC IMPACC

LongDelay

ShortDelay

Instan-taneous

GroundFault

Protec-tion

➄ Over IMPACC only.➅ By OPTIMizer/BIM.

➂ Not to exceed 1200A.➃ LS, LSG only.

Digitrip OPTIM is the programmable com-municating microprocessor-based lowvoltage electronic trip unit system forCutler-Hammer Series C® Molded CaseBreakers and low voltage power breakers.

Unique ProgrammableProtection and Coordination

OPTIM Trip Units provide the capabilityto create custom overcurrent protectionto meet the exact load requirements ofyour electrical distribution system…afeature unavailable in any other trip unit.We’ve also added I4t curve shaping toprovide closer coordination with upstreamfuses and transformer damage curves.This high level of selectivity allows yoursystem to be matched more closely,bringing “trip” and “don’t trip” marginscloser than previously possible.

The many benefits of programmabilityinclude more settings, better accuracy,faster configuration, remote accessibility,and higher system security…plus the abil-ity to incorporate software programs.

M

Cutler-Hammer Pow-R-Line C Panelboardsand Switchboards are custom built toyour requirements at our world classmanufacturing plants in Sumter, SC andGrand Prairie, TX.

In addition, Cutler-Hammer has 14 regionalSatellite Plants located across the countrythat are specifically oriented to providingPow-R-Line C Panelboards and Switch-boards to meet your fast service needs.

SAN FRANCISCO

SEATTLE

LOS ANGELESPHOENIX

DENVER

HOUSTON

DALLASGRAND PRAIRIE

ORLANDO

ATLANTA

ST. LOUIS

CHICAGOCLEVELAND

BALTIMORE

WINDSOR

SUMTER

Los Angeles2021 Locust CourtOntario, CA 91761(909) 923-2040

Orlando3827 St. Valentine WayOrlando, FL 32811(407) 843-3863

Phoenix7160 South Harl AvenueTempe, AZ 85283(602) 777-3957

San Francisco20919 Cabot BoulevardHayward, CA 94545(510) 784-8981

Seattle18657 72nd Avenue, SouthKent, WA 98032(206) 251-9081

St. Louis12947 Gravois RoadSt. Louis, MO 63127(314) 842-7662

Windsor625 Day Hill RoadWindsor, CT 06095(860) 688-5330

Atlanta7990-A 2nd Flag DriveSix Flags Industrial ParkAustell, GA 30001(770) 944-1022

Baltimore6671 Santa Barbara CourtElkridge, MD 21227(410) 796-7777

Chicago1951 Touhy AvenueElk Grove Village, IL 60007(847) 439-3070

Cleveland4711 Hinckley Industrial ParkwayCleveland, OH 44109(216) 485-1940

Dallas1100 Avenue TGrand Prairie, TX 75050(972) 988-3339

Denver14101 E. 33rd PlaceSuite FAurora, CO 80011(303) 371-7844

Houston2523 Fairway Park DriveSuite 516Houston, TX 77092(713) 688-8430

Sumter11 Corporate CircleSumter, SC 29150(803) 481-3131

Grand Prairie1102 Avenue TGrand Prairie, TX 75050(214) 606-5900

Main Manufacturing Plants Satellite Locations

SA-303File Number 31-500DEC 96 / CMS 3819Printed in U.S.A.

Cutler-HammerCutler-HammerWestinghouse &Cutler-Hammer ProductsFive Parkway CenterPittsburgh, PA 15220

For Cutler-Hammer Pow-R-Line™ Cand Pow-R-Line Switchboards240, 480, 600 V Ac, 250 V Dc

The world’s most advancedprogrammable trip unit systemfor the next generation of electricaldistribution systems.

Digitrip® OPTIM™ Trip Unit System for Switchboards

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