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12KV 1250A HV Vacuum Circuit Breaker With Vacuum Arcing Chamber

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12KV 1250A HV Vacuum Circuit Breaker With Vacuum Arcing Chamber

Brand Name : XG

Model Number : ZN28

Certification : ISO,CCC

Place of Origin : XIAN

MOQ : 1 SET

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 2000 SET

Delivery Time : 7-15 DAYS

Packaging Details : WOODEN CASE

Type : HV Vacuum Circuit Breaker

Rated Voltage : 3.6KV 6.6KV 7.2kV, 12kV, 17.5kV, 24kV, 36kV, 40.5kV

Rated Current : 400A 630A, 1250A, 1600A, 2000A, 2500A, 3150A,

Frequency : 50/60Hz

Poles Number : 3

Phase : Three phase

Medium : vacuum

Material : galvanized sheet and accessories

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12KV 1250A HV Vacuum Circuit Breaker With Vacuum Arcing Chamber 

1.Description of HV Vacuum Circuit Breaker

Ambient temperature:-40°C~+40°C
Relative humidity:≤95%or≤90%

Altitude:≤2000m

Wind pressure:≤700Pa(equivalent to wind speed 34m/s)

Seismic intensity:≤8

2.Parameter of HV 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

12KV 1250A HV Vacuum Circuit Breaker With Vacuum Arcing Chamber

5. Prodcution line

12KV 1250A HV Vacuum Circuit Breaker With Vacuum Arcing Chamber

6. After service

12KV 1250A HV Vacuum Circuit Breaker With Vacuum Arcing Chamber

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Product Tags:

1250A HV Vacuum Circuit Breaker

12KV HV Vacuum Circuit Breaker

12KV 1250A Vacuum Circuit Breaker

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