Audited Supplier
VS1-12/630
High Voltage Circuit Breakers
Electric Type
High-Speed Circuit Breaker
Vacuum
Insert
Vcb
3
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
ISO9001-2000, CCC
12kv
1250/630A
50/60Hz
Supported
kunji elctric
Export Case
1 PCS/box
Zhejiang, China
8535210000
Product Description
Product Description
VS1(ZN63A)-12 type indoor high-voltage vacuum circuit breaker, a three-phase AC 50Hz rated voltage of 12KV power system indoor switching equipment, as the power grid equipment, industrial and mining enterprises power equipment protection and control unit. It is suitable for frequent operation at the rated working current, or where the short circuit current is broken multiple times.
The circuit breaker adopts the integrated design of operating mechanism and circuit breaker body. It can be used as a fixed installation unit, and it can also be equipped with a propulsion mechanism to form a handcart unit.
| No. | Items | Unit | Parameters | ||
| 1 | Rated voltage | kV | 12 | ||
| 2 | (1min)Rated short duration power frequency withstand voltage (1min) | 42 | |||
| 3 | Rated lightning impulse withstand voltage(peak) | 75 | |||
| 4 | Rated frequency | Hz | 50 | ||
| 5 | Rated current | A | 630 1250 | 1250 1600 2000 2500 3150 | 1250 1600 2000 2500 3150 |
| 6 | Rated short circuit breaking current | kA | 25 | 31.5 | 40 |
| 7 | Rated short-time withstand current | 25 | 31.5 | 40 | |
| 8 | Rated short-circuit duration | s | 4 | ||
| 9 | Rated peak withstand current | kA | 63 | 80 | 100 |
| 10 | Rated short circuit closing current | 63 | 80 | 100 | |
| 11 | [1min]Secondary circuit power frequency withstand voltage (1min) | V | 2000 | ||
| 12 | Rated single/back to back capacitor bank breaking current | A | 630/400 (800/400 for 40kA) | ||
| 13 | Rated capacitor bank inrush making current | kA | 12.5 (frequency of no more than 1000Hz) | ||
WORKING CONDITIONS
1) Ambient temperature: maximum +40ºC; minimum -15ºC
2) Ambient humidity: Daily average RH ≤95%
Monthly average RH ≤90%
Daily average steam pressure ≤2.2×10-3MPa:
Monthly average steam pressure ≤1.8×10-3MPa
3) Altitude: ≤2000m
4) Seismic intensity: no more than 8
5) In places without water dripping, inflammable and explosive hazards, chemical corrosive gases or violent vibration.
PRODUCTION DETAILS
Company Profile
Kunji Electric Co., Ltd. which is specialized in producing, developing and marketing power transmission and distribution products. The company is established in 2015, which is located in Wenzhou city, Zhejiang province, China.
Our main products are including switchgear, ring main unit, transformer,substation, and Other Power Transmission & Trcansformer. Our product has passed ISO9001 and CE certificate.
We have a professional technical team which can provide you with full design solution and technical support.
Workshop
Certificate
Packaging & Shipping
RFQ
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 switchgears, Substation,transformers,
cable distribution box and various electrical equipment.
Our factory is the excellent supplier of State Grid Corporation od China.
2. Do you accept customized serveice ?
We offer OEM/ODM service , can print your logo on product . our professional technical and quotation team can provice a satisfied 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 avaliable .
5. How do you solve quality problems?
Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse.we will make a satisfied soluton within 2 days .
6. What is your payment terms ?
30%T/T in adcance,70% before shipment . West union,L/C are also acceptable .
