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

Basic Information
Place of Origin: XIAN
Brand Name: XG
Certification: ISO,CCC
Model Number: ZN28
Minimum Order Quantity: 1 SET
Packaging Details: WOODEN CASE
Delivery Time: 7-15 DAYS
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
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
High Light:

1250A HV Vacuum Circuit Breaker


12KV HV Vacuum Circuit Breaker


12KV 1250A Vacuum Circuit Breaker

Product Description

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%


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


5. Prodcution line


6. After service


7. FAQ


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Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197