your switchboard your site your responsibility...as/nzs 61439 Øthe process of specifying a main...

Your Switchboard Your Site Your Responsibility:

Principal Sponsor 13-15 November 2018Rotorua, NZ

Eliminating the risk, by knowing your responsibilities under AS/NZ 61439:2016

AS/NZS61439 - The ChangesStandards Australia/New Zealand introduced ASNZS61439 in May 2017 with a 5 year phasing in period.

Pre May 2021Either ASNZS3439, ASNZS61439 or IEC61439 may be specified for Switchboard design and construction in Australia and New Zealand


Post May 2021ASNZS3439 can no longer be referenced. Only ASNZS61439 or IEC61439 may be specified for Switchboard design and construction in Australia and New Zealand

reference to TTA (type tested assembly) or PTTA (partial type tested assembly) disappears, assemblies now have 13 criteria that they need to be verified to, using 1 of the 3 following mythologies:

Ø type testingØ comparison with a type tested assemblyØ assessment (by calculation or application of design rules)

AS/NZS61439 - Why Change?

Ø removing ambiguity within the standard

Ø clear lines of accountability and

Shaun


Ø clear lines of accountability and responsibility

Ø increased personal safety

Ø future proofing of an installation

Shaun

now that partial type testing has been removed from within with in ASNZS 61439 and replaced with full type testing What does that mean?

AS/NZS61439 - Removing Ambiguity


AS/NZS61439 - Your Responsibilities

Original Manufacturere.g. System Designer &

Manufacturer i.e. CUBIC

Device Manufacturere.g. Terasaki


i.e. CUBIC

Assembly Manufacturere.g. Switchboard Builder

Final AssemblyEnd User

(Specifier)the key here is the

annex C “information template” and annex D

“verification document”

IEC 61439 = agreements and clarifications between

manufacturers and end users

AS/NZS61439 - Increasing SafetyØ circuit segregation


AS/NZS61439 - Increasing SafetyØ circuit segregationØ arc fault limiting Ø arc fault containmentØ seismic consideration


AS/NZS61439 - Future ProofingØ third party test reports according to ASNZS and IEC standardsØ documented “information template” as detailed in the standardØ documented design processes Ø documented design “verification” as detailed in the standard


Switchboard Case Study


SpecificationØ The Process of Specifying a Main SwitchboardØ AS/NZS61439 - Annex C – User information template

Ø End Users


Ø End UsersØ ConsultantØ Electrical Contractor

AS/NZS 61439 Annex CElectrical system

Short-circuit withstand

Protection of persons against electric shock

Installation environment


Installation environment

Installation method

Storage and handling

Operating arrangements

Maintenance and upgrade capabilities

Current carrying capability

AS/NZS61439 Annex C

Cable Size & Layout Transformer Isolation


Cable Size & Layout

Easter Shutdown

Ingress Protection Rating

Assembly on site & Testing

Transformer Isolation

Temporary Switchboard for Essential Supplies

Identifying Redundant Cables & Circuits

VerificationØ Technical Verification of the Main Switchboard

Ø AS/NZS61439 - Annex D – Design verification


Ø Assembly Manufacture - Switchboard BuilderØ Original Manufacture – i.e. CubicØ Device Manufacture - i.e. Terasaki

AS/NZS61439 Annex D


Original Manufacture


Assembly Manufacture


Device Manufacture


EvaluationØ Technical Evaluation of the Main Switchboard

Ø Comparison of the Technical Design Verification information supplied using AS/NZS61439 - Annex D - Design Verification documentation


Ø Against the original Specification Annex C – User information template

Ø End UsersØ ConsultantØ Electrical Contractors

Evaluation


ValidationØ Technical Validation of the Main Switchboard

Ø Combination of AS/NZS61439Ø Annex C – User information template


Annex C – User information template Ø Annex D – Design verification

Ø End User – Consultant – Electrical ContractorØ Assembly Manufacture - Switchboard BuilderØ Original Manufacture – i.e. CubicØ Device Manufacture - i.e. Terasaki

Validation


New Main Switchboard


AS/NZS 61439Ø The Process of Specifying a Main SwitchboardØ Annex CØ End user / Consultant / Electrical Contractor

Ø Technical Verification of the Main SwitchboardØ Annex DØ Assembly / Original / Device Manufactures


Ø Technical Evaluation of the Main SwitchboardØ Annex C & DØ End user / Consultant / Electrical Contractor

Ø Technical Validation of the Main SwitchboardØ Annex C & DØ End user / Consultant / Electrical ContractorØ Assembly / Original / Device Manufactures

your switchboard your site your responsibility...as/nzs 61439 Øthe process of specifying a main...

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