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  • VD4/P-12VD4/P-24

    VD4(S)

    VD4-36

    ROCKWILLROCKWILLHV Vacuum Circuit BreakerHV Vacuum Circuit Breaker

    2014

  • 1 2 3 5 7 8

    964

    1 6

    2 7

    3 8

    4 9

    5

    Product Features

    01 02

    ROCKWILL

    Monolithic operating handle, more convenient and safer.

    There is a registered trademark of manufacturer Rockwill electrical in the central position of the left side of the products panel.

    There is a registered trademark of product type in the upper right position of the products panel.

    There is product parameters label in the right position of products panel.

    Epoxy resin uses Ciba resin; vacuum arc-extinguishing chamber adopts German alsburg interrupter.

    Contact pressure spring is with German Mu Bei spring.

    The main spring is with German Gruber spring.

    Reserved intelligent online monitoring interface.

    Long mechanical life, 50000 times.

    To provide higher value for customers.

    ROCKWILL

  • Drive Mechanism ROCKWILL

    VD4 type circuit breaker spring operating mechanism

    Modular secondary control

    circuit board, with self plug

    fastened, is convenient to

    replace, and ensure the

    reliability of the electrical

    connection.

    Circuit board Closing unit

    Closing unit has the advantages

    of simple structure, reliable

    operating principle. Not only

    fundamentally put an end to

    the occurrence of unable to

    keep after closing, breaking

    fai lure and so on, but also

    reduces the trip needed power.

    Closing or tripping electromagnet

    Electromagnet adopts all

    closed structure design,

    to ensure that the coil will

    not be influenced by damp.

    Tripping buffer

    High-performance buffer can

    reduce the circui t breaker

    moving contact overshoot

    or rebound amplitude in the

    opening t ime, reduce the

    probability of circuit breakers

    arc restr ik ing, and ensure

    the mechanical life of vacuum

    interrupter bellows.

    Surface treatment

    80% of mechanism parts surface adopts the Ni-P alloy plating process; greatly improved the corros ion resistance of parts, to en-sure the stable quality of machine being consistent f rom beginn ing to end. Closing unit has the ad-vantages of simple struc-tu re , re l i ab le opera t ing principle, Not only funda-menta l ly put an end to unable maintenance after closing, and breaking failure, but also reduces the trip needed power

    The operating mechanism has the advantages of s imple structure, reliable action, pro-duct parts of different speci-fications is of the strong ver-satility, because the agency fully developed by our comp-any, i t can be customized according to user's different r e q u i r e m e n t s o f s p e c i a l products.

    Overall advantages

    Every detail of VD4 circuit breaker is to strive for perfection.

    03 04

  • VD4/P-12

    General Principals

    VD4 (P) -12 type sealed high-voltage vacuum circuit breaker independently developed by our company is the leading domestic level of a new generation of 12kV vacuum circuit breaker .Its main feature is that the main circuit adopts the solid insulation solid sealed pole, which uses a special embedded technology, to pour the epoxy resin into vacuum interrupter with ultra low resistance and conductive parts, so as to realize the solid insulation of main circuit. The operating mechanism is new- type spring one, which is independently researched and developed by my company, has the advantages of simple structure, reliable action, and manufacturing experience for launching tens of thousands of the products, used and referenced by a number of domestic high-end vacuum circuit breaker manufacturers.

    VD4(P)-12 type sealed high-pressure vacuum circuit breaker Every technical parameter is completely complied with GB1984, GB/T11022, China power Industry standard DL 403, at the same time also meet the standard,IEC62271-100 IEC56 and the related standard provisions of other major industrialized countries.

    Standard

    VD4(P)-12 type sealed high-pressure vacuum circuit breaker owns perfect mechanical & elect r ica l in ter lock ing device, i t is also with high operation reliability and service life. Matching with the suitable switchgear to complete safe distribution funct ion, ensure the safety of the operator and the equipment.

    Security of operation

    VD4(P)-12 type sealed high-pressure vacuum circuit breaker can be widely used in Power plant, power network, metallurgical, petrochemical, city infras-tructure such as airports, buildings, sub-way project.

    VD4-40.5 series of indoor high voltage vacuum circuit breaker in the distribution system can be applied to the control and protection of cables, overhead trans-mission l ine, transformer, motor, gen-erator, and capacitor bank.

    Application range

    VD4(P) -12 type sealed high voltage vacuum circuit breaker has passed the following tests to ensure the security of operation.

    Type tests: power frequency withstand voltage, lightning impulse withstand voltage, temperature rise, short time and peak withstand current, short circuit current switching capability mechanism life etc.

    Factory routine test: The mechanical performance test, the main circuit power frequency withstand voltage test, auxiliary and control circuit insulation performance test , the main loop resistance test, interlock operation test, mechanical and electrical operation test.

    Test

    Embeded pole type high-voltage vacuum circuit breaker

    05 06

  • External Dimensions

    P h2 h1 A B I H K W

    20~31.5kA 630~1250A

    150 205 260 502 503 492

    620.5 6090+2

    630A

    35210 205 260 650 653 638 800

    1250A275 205 260 850 853 842 1000

    20~31.5kA 630~1250A 150 275 280 502 503 492637

    6000+2

    630A 35

    20~40kA 630~1600A210 275 280 650 653 638 800 1250A 49

    275 275 280 850 853 842 637/698 1000 1600A 55

    P h2 h1 a b c

    20~31.5kA 630~1250A 210 275 237 588 564.5 520

    P h1/h2 a c

    31.5~40kA 1600~4000A 275 252/310 770 720

    1

    45

    14.5

    16

    8

    8~10

    Trip 8~10

    436

    200 50

    4

    K

    588 2

    361

    200

    19

    h2

    W

    W

    HH

    15

    4

    76

    I

    h1

    I

    B

    45

    14.5

    16

    19

    h1

    16

    5

    76

    B

    h2

    A

    P P

    A

    P P

    9

    8

    0-3

    0-3 50

    4

    b

    h2

    h1

    444

    676

    h2

    h1

    c

    p

    p p

    a

    c

    4-M12

    4-M12

    p

    A

    A

    1

    40 275

    440

    275

    441.5

    20

    VD4/P-12

    07 08

    Dimensions of VD4/P-12 handcart type vacuum circuit breaker

    Rated current

    Rated short-circuit breaking

    current

    Width of matching cabinet

    Rated current

    Trip

    P A B I H h1 / h2 W

    31.5~40kA

    1600A 210 650 653 638698

    295/310 280/310

    800 1600A 55

    1600~2000A 275 850 853 8421000

    1600~2000A 79

    2500~4000A 275 850 853 842 735 2500~4000A 109

    Notes: 1) Circuit breaker shall take the cooling cover when the rated current is

    above of 2500A.

    2) When using forced air cooling, the rated current can be up to 4000A.

    Rated current

    Rated short-circuit breaking

    current

    Width of matching cabinet

    Rated current

    Dimensions of VD4/P-12 Fixed vacuum circuit breaker dimensions

    The A dimension, please confirm with my company.

    Rated current

    Rated short-circuit breaking current

    The A dimension, please confirm with my company.

    Rated current

    Rated short-circuit breaking current

    Notes: 1) Circuit breaker shall take the cooling cover when the

    rated current is above of 2500A.

    2) When using forced air cooling, the rated current can

    be up to 4000A.

    650

    650

  • Type

    ZYJ55-1DC110V

    75 , 100 15DC220V

    DC220 DC110 DC220 DC110 DC220 DC110 DC220 DC110

    1.1 2.2 1.1 2.2 25 mA 9.1 mA

    242 242 242 242 2.7 1.0

    85%110%

    Technical Parameter

    AC 220V / 110V

    DC 220V / 110V 3.5 / 5 / 7.5 / 10

    No. Item Unit

    1

    kV

    12

    2 42

    3 75

    4 Hz 50

    5 A

    630 630 1250 1250

    1250 1250 1600 1600

    2000 2000

    2500 2500

    3150 3150

    4000 4000

    6

    kA

    20 25 31.5 40

    7 20 25 31.5 40

    8 50 63 80 100

    9 50 63 80 100

    10 20 25 31.5 40

    11 50 63 80 100

    12 12.5The frequency is not more than 1000Hz)

    13 A 630 / 400

    14 S 4

    15

    V

    2000

    16

    AC 110 / 220 DC 110 / 220

    AC 110 / 220 DC 110 / 220

    AC 110 / 220 DC 110 / 220

    17ms

    20 ~ 50

    18 30 ~ 70

    19 mm 3

    20 s 15

    21mm

    9 1

    22 3 ~ 4

    23ms

    2

    24 2

    25ms

    0.9 ~ 1.3

    26 ~ 1.00.4

    27 mm 2

    28 630 55 45

    1250 45 40

    1600 ~ 2000 35 30

    2500 and above 25 20

    29 Open - - Cose -180s - Cose

    30 Times5000031.5KA and below )

    2000040KA

    Rated voltage

    Rated insulation level

    1min frequency withstand voltage

    Rated short time power

    Rated lightning impulse withstand voltage (peak)

    Rated frequency

    Rated current

    Rated short circuit breaking current

    Rated short time withstand current

    Rated peak withstand current

    Rated short circuit making current (peak)

    4S thermal stability current

    Rated dynamic stability current

    Rat