ZN28A AC Indoor 10KV 11KV 12KV 13.8KV High Voltage Circuit Breaker

Basic Information
Place of Origin: XIAN, China
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, T/T, D/A, D/P, Western Union, MoneyGram,
Supply Ability: 2000
Detail Information
Function: Control And Protection Installation Location: Power Plants
Warranty: 12 Months OEM: Yes
Package: Exporting Standard Package MOQ: 1set
Operation Type: Electric Or Manual Life Span: More Than 15 YEARS
High Light:

ZN28A High Voltage Circuit Breaker


13.8KV High Voltage Circuit Breaker


11KV High Voltage Circuit Breaker

Product Description

1. ZN28A Series AC indoorhigh-voltage vacuum circuit breaker vcb 10kv 11kv 12kv 13.8kv


ZN28(A)-12 series vacuum circuit breaker is an indoor high voltage switch with rated voltage 12KV, 3 phases AC 50Hz. This type circuit breaker is vacuum type, it is new style in global market.

This vacuum circuit breaker conforms to the standard GB1984-89 .

This vacuum circuit breaker can match in use with CD17,CD10A Model DC magnetic operating mechanism or CT17 and CT19 model spring energy storage operating mechanism.


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. Factory


ZN28A AC Indoor 10KV 11KV 12KV 13.8KV High Voltage Circuit Breaker 1


6. Certificate


ZN28A AC Indoor 10KV 11KV 12KV 13.8KV High Voltage Circuit Breaker 2


7. Delivery


ZN28A AC Indoor 10KV 11KV 12KV 13.8KV High Voltage Circuit Breaker 3


8. 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