China 12KV High Voltage Vacuum Circuit Breaker For Power Stations for sale

12KV High Voltage Vacuum Circuit Breaker For Power Stations

Price Negotiable

Price: Negotiable

MOQ: 1 SET

Delivery Time: 7-15 DAYS

Brand: XG

Product Description

12KV High Voltage Vacuum Circuit Breaker For Power Stations

1. Vacuum Circuit Breaker Application

Applicable place: (Suitable for the places frequently operated with rural power grid)

1. Industrial.

2. Power stations.

3. Substations.

2. Parameter of Vacuum circuit breaker

No.	Item	Unit	Data
1	Rated voltage	KV	12
2	Rated insulation voltage	V	42,75
3	Rated current	A	630,1250,1600,2000,2500,3150
4	Rated short-circuit close current(peak value)	KA	20,31.5,40
5	Rated operation order		off--0.3s on and off--180S-on and off
6	Rated short-circuit Breaking current times	times	30(50),20(30)
7	Rated Impulse withstand voltage	KA	50,80,100
8	4S Heat steady e.c.A		20,31.5,40
9	all opened and broke time	ms	≤100
10	Mechanical life-span	times	10000
11	cumulated thickness of the moving and stationary contact	mm	3
12	Oil buffer buffers the journey	mm	10

3. Environmental condition

Relative humidity: daily average ≤95% , monthly average ≤90% ;

Earthquake intensity: 8 degree;

Altitude: ≤1000m;

Ambient temperature: -25°C ~+40°C ;

It should work in occasions without flammable and explosive matter, without corrosive chemical and frequent severe vibration.

4. Technical diagram

5. Certificate

6. FAQ

1. Technology ensure the quality satisfy international request.

2．Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.

3. For tender cooperation, it is welcome to discuss the detail in between.

4. Some type reports are provided accordingly.

5. Our factory is 250000m2 for production and office.

6. There are four subsidies in our group company. So our whole group company can produce switchgear, power transformer, load break switch, disconnect switch, vacuum/sf6 circuit breaker, fuse, surge arrester, CT PT, Metering unit.