China OEM Power Circuit Breaker Pricelist – VS1 13.2kV 15kV 630A 3phase Vacuum Circuit Breaker – JSM TRANSFORMER

China OEM Power Circuit Breaker Pricelist – VS1 13.2kV 15kV 630A 3phase Vacuum Circuit Breaker – JSM TRANSFORMER

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China OEM Power Circuit Breaker Pricelist – VS1 13.2kV 15kV 630A 3phase Vacuum Circuit Breaker – JSM TRANSFORMER Detail:

 

The China VD4 series vacuum circuit-breakers are devices for indoor switchgear installation. Please contact ROCKWILL for special installation requirements. VD4-R series medium voltage vacuum circuit breakers with lateral operating mechanism for indoor installation feature the separate pole construction technique. Each pole houses a vacuum interrupter which is encased in the resin when the cylinder is moulded thanks to a special manufacturing process. This construction method protects the vacuum interrupter from shock, pollution and condensation.

VCB VS1 12kV 630A Indoor High-voltage Vacuum Circuit Breaker:

Interphase distance:210mm

Handcart type

Double spring operating mechanism

Applicable place: (particularly to the places needing frequent operation)

1.the electrical equipment control and protection in industrial.

2.mining enterprises.

3.power plants.

4.substations.

It can be fixed in a switch cabinet or installed on a handcart.

Stable performance and easy installation.

 

Vacuum Circuit Breaker Advantages

1.Simple structure.

2.Adapt ultra low resistance type vacuum interrupter.
3.Adapt optimization and modular spring operating mechanism.
4.Suitable for occasions with frequent operation.
5.Free maintenance and long service life.

6.High reliable performance.

 

Environmental Conditions 

Ambient temperature: - 40°C~+40°C (below 35°C within 24 hours)
Relative humidity: ≤95% (daily average) or ≤90% (monthly average)
Altitude:  ≤ 1000m

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Vacuum circuit-breaker **4/R 12 **4/R 17 **4/R 24
Standards * * *
Rated voltage Ur(kV) 12 17.5 24
Rated insulation voltage Us(kV) 12 17.5 24
Withstand voltage at 50Hz Ud(kV) 28 38 50
Impulse withstand voltage Up(kV) 75 95 125
Rated frequency fr(Hz) 50-60 50-60 50-60
Rated thermal current Ir(A) 630 800 1250 630 800 1250 630 800 1250
Rated duty breaking capacity
(symmetrical rated short-circuit current)
Isc(kA) 12.5 / / 12.5 / / 12.5 / /
16 16 16 16 16 16 16 16 16
20 20 20 20 20 20 20 20 20
25 25 25 25 25 25 / / /
Short-time withstand current(3s) Ik(kA) 12.5 / / 12.5 / / 12.5 / /
16 16 16 16 16 16 16 16 16
20 20 20 20 20 20 20 20 20
25 25 25 25 25 25 / / /
Making capacity Ip(kA) 31.5 / / 31.5 / / 31.5 / /
40 40 40 40 40 40 40 40 40
50 50 50 50 50 50 50 50 50
63 63 63 63 63 63
Making capacity * * *
Opening time ms 40…60 40…60 40…60
Arcing time ms 10…15 10…15 10…15
Total break-time ms 50…75 50…75 50…75
Closing time ms 30…60 30…60 30…60
Code Available versions
Closing pushbutton **4circuit-breakers with lateral operating mechanism are available in
the following versions:
Open/closed indicator
Discharged Center-distance P=()mm Fixed Removable
Operation counter 210 210
Manually charging handle 230 230
Opening pushbutton 250 250
Protection relay 275 275
Delivery terminal box 300 300
Current transformer 310 310
Polo

Product detail pictures:

China OEM Power Circuit Breaker Pricelist –  VS1 13.2kV 15kV 630A 3phase Vacuum Circuit Breaker – JSM TRANSFORMER detail pictures

China OEM Power Circuit Breaker Pricelist –  VS1 13.2kV 15kV 630A 3phase Vacuum Circuit Breaker – JSM TRANSFORMER detail pictures

China OEM Power Circuit Breaker Pricelist –  VS1 13.2kV 15kV 630A 3phase Vacuum Circuit Breaker – JSM TRANSFORMER detail pictures


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