Loading Port:Shanghai
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:-
Product Introduction：
ZW32-24 outdoor high voltage vacuum circuit breaker（short for “circuit breaker”）is an outdoor power distribution equipment suitable for three-phase system of rated voltage12KV, AC 50Hz, to open and close the load current、overload current and short-circuit current in power system. It’s applicable to substations and industrial-mining enterprises, and conditions which need frequent operations, such as in rural nets.
This circuit breaker has characteristics of small volume、light weight、anti air condensation、free maintenance etc; it can work in bad weather and pollution environment.
Conforms to regulation of:
GBl984《AC high-voltage circuit-breakers》
GB10222《Common technical requirements standard of high voltage switch equipment and control equipment》
GB311.1-6《insulation coordination of high voltage electric transmission and transformation equipment》
GB763《Thermal of AC high-voltage equipmentin the long-term work》
GB2706《Dynamic thermal stability test method of AC high-voltage equipment》
GB3309《Mechanical test of high voltage switch equipment in normal temperature》
DL/T593《Common order technical conditions of high voltage switch equipment 》
Model definition:
ZW32-24
Main technical parameters：
No. | Item | Unit | Data |
1 | Rated voltage | KV | 24 |
2 | Rated frequency | Hz | 50 |
3 | Rated current | A | 630 |
4 | Rated short-circuit breaking current | KA | 20 |
5 | Rated peak withstand current (peak) | KA | 50 |
6 | Rated short circuit resistance current | KA | 20 |
7 | Rated short-circuit making current（peak） | KA | 50 |
8 | Mechanical life | time | 10000 |
9 | Breaking time of rated short-circuit breaking current | time | 30 |
10 | 1 min power frequency withstand voltage：between poles, pole to earth/between open contacts | KV | 65/79 |
11 | Lightning impulse withstand voltage， between poles, pole to earth/between open contacts | KV | 125/145 |
12 | Secondary loop 1 min power frequency withstand voltage | KV | 2 |
