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VS1-12 High Voltage VCB Circuit Breaker IEC Standard 3 Pole 630A

Sichuan Baikong Electric Technology Co., Ltd.

VS1-12 High Voltage VCB Circuit Breaker IEC Standard 3 Pole 630A

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Brand Name : Baikong

Model Number : VS1-12

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VS1-12 indoor high voltage vacuum circuit breaker

product information

Product name: VS1-12 indoor high voltage vacuum circuit breaker

Category: high voltage components

Product introduction: VS1-12 indoor high-voltage vacuum circuit breaker is an indoor switchgear with a three-phase AC 50Hz rated voltage of 12KV power system. It is used as a protection and control unit for power grid equipment and industrial and mining enterprise power equipment. It is suitable for places requiring frequent operation under the rated working current, or where there is more switching and breaking short-circuit current.

The main purpose of VS1-12 indoor high voltage vacuum circuit breaker

VS1-12 indoor high-voltage vacuum circuit breaker is an indoor switchgear with a three-phase AC 50Hz rated voltage of 12KV power system. It serves as a protection and control unit for power grid equipment and industrial and mining enterprise power equipment. It is suitable for places requiring frequent operation under the rated working current, or where there is more switching and breaking short-circuit current.

The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, which can be used as a fixed installation unit, or it can be equipped with a dedicated propulsion mechanism to form a handcart unit.

Applicable environment of VS1-12 indoor high voltage vacuum circuit breaker

a Ambient air temperature: upper limit +40℃. Lower limit -15℃;

b Altitude: ≤1000m (if the altitude needs to be increased, the rated insulation level shall be increased accordingly);

c Amplitude: the seismic intensity does not exceed 8 degrees;

d The daily average value of air relative humidity is not more than 95%, and the monthly average value is not more than 90%

e Places with fire, explosion hazard, severe pollution, chemical corrosion and severe vibration.

The main technical parameters

Serial number name unit data
1 Rated voltage KV 12
2 Rated frequency Hz 50
3 Rated insulation level 1min power frequency withstand voltage kA On the ground/between phases
Lightning impulse withstand voltage (peak value) On the ground / between phases
4 Rated short-circuit breaking current KA 20 25 31.5 40
5 Rated current A 630 630 1250 1600 1250 1600
1250 1250 2000 2500 2000 2500
6 Rated short-time withstand current (effective value) KA 20 25 31.5 40
7 Rated peak withstand current (peak) 50 63 80 100
8 Rated short-circuit making current (peak value) 50 63 80 100
9 Rated short-circuit current duration S 4
10 Mechanical life Second-rate 20000
11 Secondary circuit power frequency withstand voltage (1min) V 2000
12 Rated operating sequence Divide-t-Combine Divide-t1-Combine Divide
Note: 20kA, 25kA, 31.5kA t=0.3s t1=180s; 40kA t=180s t1=180s

Product Tags:

VS1-12 High Voltage VCB

      

VCB Circuit Breaker IEC Standard

      

Circuit Breaker IEC Standard 3 Pole

      
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