| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Electric Type |
| Speed: | High-Speed Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Insert |
| Structure: | ACB |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier LW-12 primary secondary fusion breaker is a new generation of products developed by our company according to the requirements of the national grid's primary and secondary fusion completed sets of column switches .The circuit breaker meets the requirements of the national grid primary and secondary fusion complete set of column switches,with the advantages of compact structure, reasonable layout ,complete functions and so on.The indicators of the circuit breaker are in line with the requirements of the national grid primary and secondary fusion complete set of column swithes ,and through the China Electric Power Research Institute Co.,LTD. ,primary and secondary fusion complete set of column three-phase protection current transformer,zero sequence current transformer and zero sequence voltage sensor of the unified parameter uni.It has the characteristics of wide measuring range ,high measuring accuracy and high reliability .With the primary and secondary fusion controller,it can quickly and accurately determine all kinds of line faults.
1.Ambient air temperature :-40ºC~+40ºC;
2.Altitude:not more than 3000m;
3.The surrounding air can be polluted by dust ,smoke ,corrosive gas,steam or salt spray,pollution level: IV;
4.Wind speed does not exceed 34m/s (equivalent to 700Pa on the surface of the cylinder);
5.The vibration or ground movement from the outside of the switchgear and control equipment is negligible;
6.The amplitude of electromagnetic interference induced in the secondary system does not exceed 1.10kV.
| Item | Unit | Technical parameters | |
| Rated voltage | kV | 12 | |
| Rated frequency | Hz | 50 | |
| Rated current | A | 630 | |
| Rated short time breaking current | kA | 20 | |
| Rated peak withstand current | kA | 50 | |
| Rated short-time withstand current | kA | 20 | |
| Rated short-time withstand current and time | kA/s | 20/4 25/4 31.5/4 | |
| Rated cable charging current | A | 25 | |
| Mechanical life | Times | 10000 | |
Wooden package
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 of 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 .
Suppliers with verified business licenses
Audited Supplier 
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