| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Energy-storage Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Insert |
| Structure: | Vcb |
| Customization: |
|---|
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Audited Supplier 
General Description
ZN63A(VS1)-12 Model indoor high voltage epoxy resin vacuum interrupter poles applies to power system of rated voltage 12kv as a protective and control unit for power grid equipment and industrial power equipment It can equip with KYN28(GZS1), XGN, GG-1A and other types of switchgear panels. Related products: isolated handcart, fuse handcart and voltage transformer handcart
Structural Features
1.This series of VCB is used Integrated design for operating mechanism and VCB body with reasonable, beautiful and compact arrangement.
2.This series of VCB adapted vertical insulation house against Impact due to different weather, it can effectively prevent VIS against damage by exterior factors.
3.The two different installation unit of Fixed type and withdrawable type can meet the different requirements for different switchgear.
Applying Ambient Conditions
Ambient temperature:-10ºC-+40ºC
Relative humidity:The average humidity of a day should be no more than 95%. The average humidity of a month should be no more than 90%.
Earthquake intensity: not exceed 8 degrees.
Saturated vapor pressure the average pressure of a day should be no more than 2.2kPa; the average pressure of a month should be no more
Than1.8Kpa;
The height above sea level:≤1000 m (Except special requirements)
It should be installed in the places without fire, explosion, serious filth, and chemical erosion and violent vibration.
Technical datas
| No. | Item | Unit | Data | ||||||||
| 1 | Rated voltage | kV | 12 | ||||||||
| 2 | Rated frequency | Hz | 50 | ||||||||
| 3 | Rated insulation level | 1min power frequency withstand voltage | KV | 42 | |||||||
| Rated lightning impulse withstand voltage | KV | 75 | |||||||||
| 4 | Rated current | A | 630 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000 | |
| 5 | Rated short-circuit breaking current
Rated short-time withstand current (virtual value) |
kA | 20 | 20 | 20 | ||||||
| 25 | 25 | 25 | 25 | ||||||||
| 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | |||||||
| 40 | 40 | 40 | 40 | 40 | 40 | ||||||
| 50 | |||||||||||
| 6 | Rated short circuit making current Dynamic stability rated current | kA | 50 | 50 | 50 | ||||||
| 63 | 63 | 63 | 63 | ||||||||
| 80 | 80 | 80 | 80 | 80 | |||||||
| 100 | 100 | 100 | 100 | 100 | 100 | ||||||
| 125 | |||||||||||
| 7 | Rated short-circuit breaking current breaking time | Times |
(above 40KA) |
||||||||
| 8 | Rated short-circuit duration | S | 4 | ||||||||
| 9 | Rated operation sequence | O-0. 3s-CO-180s-CO,O-180s-CO-180s-CO(above 40kA) | |||||||||
| 10 | Mechanical life | times | 30000 | ||||||||
| 11 | Rated breaking current of single capacitor bank | A | 630 | ||||||||
| 12 | Rated breaking current of back
to back capacitor bank |
A | 400 | ||||||||
| 13 | Maximum D.C componen 5 0 % | ||||||||||
Note:
1. No.11&12 are provided when needed.
2. Switchgear should be with cold wind when the rated current is 4000A.
FAQ
Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q:Do you accept product customization?
A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Suppliers with verified business licenses
Audited Supplier 
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