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ZN12-12 11KV 630A 1250A Indoor Automatic Power Circuit Breaker

Basic Information
Place of Origin: XIAN, China
Brand Name: XG
Certification: ISO CCC
Model Number: ZN12
Minimum Order Quantity: 1 SET
Packaging Details: WOODEN CASE
Delivery Time: 7-15 DAYS
Payment Terms: L/C, T/T, D/A, D/P, Western Union, MoneyGram
Supply Ability: 2000 SET
Detail Information
Rated Voltage: 3.6KV 6.6KV 7.2kV, 12kV, 17.5kV Rated Current: 400A 630A, 1250A, 1600A, 2000A, 2500A, 3150A,
Frequency: 50/60Hz Poles Number: 3
Phase: 3 Phase Medium: Vacuum
Material: Galvanized Sheet And Accessories Standard: GB, IEC Standard
Type: Indoor
High Light:

ZN12-12 Power Circuit Breaker


1250A Power Circuit Breaker


ZN12-12 Automatic Circuit Breaker

Product Description

1. ZN12-12 Types 12KV 11KV indoor Automatic Power Circuit Breaker 630A 1250A


ZN12-12 12KV 11KV vacuum circuit breaker is three-phase ac 50 hz. indoor high voltage switch.

It is Suitable for sit power plant, Substation and power transmission and distribution system control or protection switch, especially suitable for open circuit important load and frequent operation place.

This vacuum circuit breaker can match used for various types of interval type. Armored type metal-enclosed switchgear. This series of vacuum circuit breaker operation mechanism for spring store type, can using ac or dc operate, and also can use handle operation.


2. Product Parameter list


no. item unit data
1 2 3 4 5
1 rated voltage kv 12 12 12 40.5 40.5
2 rated current A 1250 1600 2000 1600 2000
3 rated short circuit breaking current KA 31.5 31.5 31.5 25 31.5
4 Dynamic and stable current (peak) KA 100 100 100 80 100
5 Thermal stability of 4 s current 50 ka (3 s) KA 31.5 31.5 31.5 25 25
6 The rated short circuit close current (peak value) KA 100 100 100 80 80
7 Rated short circuit breaking current times TIME 50 30


3. Applicate


No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.

Relative humidity: daily average of not more than 95%, month average of not more than 90%.


Altitude: not exceed 1000m.

Earthquake intensity: not more than ten.

Ambient temperature: not higher than +40 °C, not less than -15°C


4. Photo and drawing




5. Factory


ZN12-12 11KV  630A 1250A Indoor Automatic Power Circuit Breaker 1


6. Delivery


ZN12-12 11KV  630A 1250A Indoor Automatic Power Circuit Breaker 2


7. 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.






Contact Details

Phone Number : +8613319220197

WhatsApp : +8613319220197