Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A
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ZW32-12/630A
ISO9001-2000
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Circuit Breaker
3
ACB
Zhejiang Zhuowoma Electric Technology Co., Ltd.
Business Type: Manufacturer/Factory,Trading Company
Wenzhou, Zhejiang, China
Product Details
Quick Details
Zw32 Outdoor High Voltage Vacuum Circuit Breaker Vcb 1250A
ZW32-12/630A
ISO9001-2000
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
Circuit Breaker
3
ACB
Vacuum
High-Speed Circuit Breaker
Manual Type
High Voltage Circuit Breakers
zhuowoma
Wooden Box
China
8535210000
Product Details
Overview
Cireuit breakers meet technical standards such asGB1984-2003,DL/T402-2007 and IEC60056.
Dimensions and mounting dimensionsTechnical parameter
| Numbcr | Projects |
|
| |||||
| 1 | Rated voltagc | 12 | ||||||
| 2 | Rated current1 | 630 | 1250 | |||||
| 3 | Rated frequency | 50 | ||||||
| 4 | Rated levelinsulationl | lmin power frequencywithstanvd voltage | Dry type | 42/48(Fracture ) | ||||
| wer-type | 34 | |||||||
| Secondary circuit to grounci | 2 | |||||||
| 75/85(Fracture ) | ||||||||
| 20 | 25 | |||||||
| 5 | Rated short circuit breaking current | KA | 50 | 63 | ||||
| 6 | Rated short-circuit closing current (peak value) | KA | 20 | 25 | ||||
| 7 | Rated short-term withstand current | KA | 50 | 63 | ||||
| 8 | Rated peak withstand current | KA | 50 | |||||
| 9 | Rated short-circuit breaking current breaking times |
| 30 | |||||
| 10 | Rated short circuit duration | S | 4 | |||||
| 11 | Rated operating voltage and rated voltage of auxiliary circuit | V | DC/AC110,DC/AC220 | |||||
| 12 | Rated operating sequence | points-0.3s-Combined points-180s-Combined points | ||||||
| 13 | Over-current trip rated current | A | 5 | |||||
| 14 | Mechanical life | times | 10000 | |||||
| 15 | Cumulative thickness of allowable wear of dynamic and static contacts | mm | 3 | |||||
| 16 | Rated current of overcurrent release | A | 5 | |||||
| 17 | Current ratio of current transformer | 200/5 400/5 600/5 | ||||||
| 18 | Contact spacing | mm | 9±1 | |||||
| 19 | Contact overtravel | mm | 2.5±0.5 | |||||
| 20 | Average opening speed | m/s | 1.0±0.2 | |||||
| 21 | Average closing speed | m/s | 0.6±0.2 | |||||
| 22 | Opening time | ms | ≤50 | |||||
| 23 | Closing time | ms | ≤100 | |||||
| 24 | Closing bounce time | ms | ≤2 | |||||
| 25 | Different periods of three-pole closing and opening | ms | ≤2 | |||||
| 26 | DC resistance of each phase loop | ≤80(Band isolation is≤150) | ||||||
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