Product name: Introduction of VS-12 series indoor high voltage vacuum circuit breakerModel VS1-12 indoor high voltage vacuum circuit breaker is the indoor switchgear of a three-phase AC power system with rated
the voltage of 50Hz and 12kV, which is used as the protection and control unit of power grid equipment and power equipment of
industrial and mining enterprises.Suitable for frequent operation at rated operating current, or multiple break short circuit current.
The circuit breaker adopts the integrated design of the operating mechanism and circuit breaker body, which can be used as a fixed installation unit or equipped with a special propulsion mechanism to form a hand car unit.
| Item | Units | Parameters | ||||
| Rated voltage | KV | 12 | ||||
| Rated frequency | Hz | 50 | ||||
| Rated insulation level | Rated lighnting impulse tolerance | KA | To erath/Phase to Phase 42/48 | |||
| 1 Min frequency voltage | To earth/Phase to Phase 75/85 | |||||
| Rated shot-circuit breaking current | KA | 20 | 25 | 31.5 | 40 | |
| Rated current | A | 630 | 630 | 1250/1600 | 1250/1600 | |
| 1250 | 1250 | 2000/2500 | 2000/2500 | |||
| Rated short circuit withstand current | KA | 20 | 25 | 31.5 | 40 | |
| Rated peak withstand current | 50 | 63 | 80 | 100 | ||
| Rated short-circuit alosing current(peak) | 50 | 63 | 80 | 100 | ||
| Duration of rated short circuit current | S | 4 | ||||
| Mechanical life | Year | 15 | ||||
| Frequency tolerance of the secondary circuit voltage(1min) | V | 2000 | ||||
| Frequency tolerance of the secondary circuit voltage(1min) | O-0.3s-CO-180s-CO | |||||
| O-180s-CO-180s-CO | ||||||
Ambient Condition
1.The ambient temperature:-15°C-+40°C;
2.The altitude:s1000M:
3.Relative humidity: daily average value is not greater than 95%, the monthly average is not greater than 90%;
4.The surrounding air is not corrosive and flammable gas, steam and other significant pollution:
5.Earthquake intensity:8 degree.
Advantages: Simple structure Adapt ultra low resistance type vacuum interrupter Adapt optimization and modular
spring operating mechanism Suitable for occasions with frequent operation Free maintenance and long service
life High reliable performance
Q1: Are you a factory or trading company
A1: We are a factory, we can guarantee our price is first-hand, very cheap and competitive.
Q2: How does your factory do regarding quality control?
A2: All the products will be 100% checked before the shipment.
Q3: When can I get the price?
A3: Usually we quote within 24 hours after we get your inquiry.
Q4: How could I get a sample?
A4: if you can not buy our product in your local area, we will ship a sample to you. You will be charged a sample price plus all related shipping costs. Express delivery charge depends on the quantity of the samples.
Q5: What is the price of shipping?
A5: It depends on the mode of transportation and the distance of transportation