ZN28-12 series vacuum circuit breakers are high-voltage indoor switchgear with rated voltage of 12kv and three-phase AC of 50hz .The product conforms to the GB1984-89 standard .The overall structure of the product includes two forms :integrated installation of the switch body and the operating mechanism and separate installation of the switch body and the operating mechanism.The integated structure is ZN28-12 basic type ;Split structure ZN28A-12,suitable for fixed switch gear ,such as GG-1A(Z).XGN2A10(Z),etc.
The product can be used with CD17,CD10A type DC electromagnetic operating mechanism and CT17, CT19type spring energy storage operating mechanism
![Zn2812 Series Indoor Vacuum Circuit Breaker 12kv Rated Voltage 50Hz with Intergration Design](//www.micstatic.com/athena/img/transparent.png)
![Zn2812 Series Indoor Vacuum Circuit Breaker 12kv Rated Voltage 50Hz with Intergration Design](//www.micstatic.com/athena/img/transparent.png)
![Zn2812 Series Indoor Vacuum Circuit Breaker 12kv Rated Voltage 50Hz with Intergration Design](//www.micstatic.com/athena/img/transparent.png)
Project |
Unit |
20kA |
25kA |
31.5kA |
40kA |
Rated voltage |
kV |
12 |
12 |
12 |
12 |
Rated current |
A |
630
1000
1250 |
1250
1600 |
1250,1600
2000,2500 |
1600
2500
3150 |
Rated short circuit breaking |
kA |
20 |
25 |
31.5 |
40 |
![Zn2812 Series Indoor Vacuum Circuit Breaker 12kv Rated Voltage 50Hz with Intergration Design](//www.micstatic.com/athena/img/transparent.png)
![Zn2812 Series Indoor Vacuum Circuit Breaker 12kv Rated Voltage 50Hz with Intergration Design](//www.micstatic.com/athena/img/transparent.png)
![Zn2812 Series Indoor Vacuum Circuit Breaker 12kv Rated Voltage 50Hz with Intergration Design](//www.micstatic.com/athena/img/transparent.png)
![Zn2812 Series Indoor Vacuum Circuit Breaker 12kv Rated Voltage 50Hz with Intergration Design](//www.micstatic.com/athena/img/transparent.png)
Shenheng Power Equipment CO., LTD is a company specializing in the production of high and low voltage switch power transmission and distribution equipment and high, low voltage electrical components, one of the professional production enterprises, the production of all fully insulated and fully sealed inflatable cabinet, intelligent solid insulation ring main unit, outdoor high voltage cable branch box, box-type substation, etc. Product quality is stable, reliable, It is deeply trusted and approved by the customers.
Manufacturing of the main products are YBW box-type substation, KYN61-40.5, KYN28A - 24, KYN28A - 12, XGN2-10, HXGN-10 high voltage switchgear, XGN ring net cabinet, SHSRM inflatable ring main unit, SHSG solid ring main unit, MNS, GCS, GCS, GGD, XL low voltage switchgear , vacuum circuit breaker , oil immersed transformer , dry type transformer , current /potential transformer,load break switch and other transmission and distribution equipment.
For a long time also for all kinds of metallurgy, shipbuilding, electric power, mining, and intelligent buildings, high-rise buildings, hospitals, schools and other industries to provide high quality power transmission and distribution of complete sets of equipment and electrical control equipment. The company has a strong technical force, sophisticated technology and sophisticated testing methods, and the products sell well across the country.
1. Are you a trading company or manufacturer ?
We are a professional factory with 10 years experience in the field of High and low Voltage switch gears,
Substation,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.Our factory is the excellent supplier of State Grid Corporation in China .
2. Do you accept customized service ?
We offer OEM/ODM service , can print your logo on product . our professional technical and quotation team can provide a satisfied project according to your drawing and parameters .
3. What is your MOQ?
Our MOQ is 1 piece.
4. How long is your delivery lead time ?
It depends on your product requirement and quantity . Generally , 5~10 working days is available .
5. How do you solve quality problems?
Please provide detailed photos of quality problems. our technical and quality testing department will analyse.we will make a satisfied solution within 2 days .
6. What is your payment terms ?
30%T/T in advance,70% before shipment . West union , L/C are also acceptable .