Hengfengyou High Quality ZW8-12G / 630-20 outdoor high voltage vacuum
circuit breaker with manual tape isolation
Model ZW8-12 outdoor high-voltage Column Vacuum Circuit Breaker is an outdoor high-voltage
switchgear with rated voltage of 12KV. It is mainly used in the distribution system of urban network
and rural network. The outer insulation is made of silicone rubber material with reliable insulation
and strong anti-pollution ability. Zw8-12 vacuum circuit breaker is equipped with Spring Energy
Storage Operation Mechanism, which can be operated manually, electrically and remotely.
The isolation switch can be installed on the side of the circuit breaker to form an outdoor high-voltage
vacuum circuit breaker combined with an outdoor high-voltage isolation switch. According to the
requirements of users, AC high-voltage vacuum auto-recloser, auto-sectionalizer, self-operated power
supply, external high-voltage transformer structure, built-in. Zw8a-12 is composed of ZW8-12 circuit
breaker and isolator. It is called combined circuit breaker and can be used as sectional switch.
| Ratedvoltage | 12kV |
| Ratedcurrent | 630A |
Ratedinsulation
level | 1minpowerfrequency | 42kV |
| withstandvoltage | |
| lightningimpulsewithstand | 75kV |
| voltage(peakvalue) | |
| Ratedshort-circuitbreakingcurrent | 12.5KA,16KA,20KA |
| Ratedshort--circuitmakingcurrent(peakvalue) | 31.5KA,40KA,50KA |
| Ratedpeakwithstandcurrent | 31.5KA,40KA,50KA |
| Ratedshort-timewithstandcurrent(4s) | 12.5KA,16KA,20KA |
| Machanicalendurance | 10000times |
Product structure
1) the whole structure is three-phase box type
2) vacuum interrupter
3) Spring Operating Mechanism
4) Insulation System
5) Conductive Circuit
6) box cover, box
7) seal
Characteristics
1) according to the user needs can be installed CT ratio 50 / 5,100 / 5,200 / 5,400 / 5,630 /
5 current transformer, high-voltage silicone rubber sleeve internal insulation for Composite
Insulation!
2) built-in multi-tap current transformer can be used for over-current protection!
3) double winding current transformer can be used for protection and measurement!
4) if the voltage transformer, auto-reclosing controller and auto-sectioning controller are
installed, the distribution protection automation and the function of "four remotes" (telemetry,
telemetry, telecontrol, telecontrol) can be realized. !
5) can be installed isolation switch !
About us
Qingdao Hengfengyou Electrical Engineering Co. , Ltd. is one of the large-scale electric complete
sets of manufacturers in China, specializing in oil-immersed transformers, dry-type transformers,
high-voltage Cabinets, low-voltage cabinets and substation manufacturing specialized electrical
enterprises. The company is located in the beautiful coastal city of china-qingdao. The company
has a registered capital of 10 million yuan, 20 senior technical personnel, more than 500 employees,
and a sound sales and service system, annual output value of US $1 billion, the products sell well
at home and abroad.
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High Voltage Vacuum Circuit Breaker 12KV Voltage With Manual Tape Isolation Images
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