Detailed Product Description
Vacuum Circuit Breaker (Recloser ,ZW-24(27) Seires)
General
ZW-24(27) type AC outdoor vacuum circuit breaker is a new and practical product developed by our company with several kinds of patent . It is mainly applied for switching on or off of load current , overload current and short circuit current of power system in AC three phase outdoor power distribution net with rated voltage of 24kv and frequency of 50Hz . It is used for protection and control in power substation and enterprises power distribution system , and is more applicable for rural power grids and frequent operation occasion . the product and its supporting control equipment can meet the automatization requirement of power distribution system and also act the traditional reclosers function reliably and efficiently .
Main Technical Parameter
| Item | Unit | Parameter | |
| Rated voltage | KV | 24 | |
| Rated current | A | 630 | |
| Rated frequency | Hz | 50/60 | |
| 1min Rated short-time power-frequency withstand voltage | Try test | KV | 60 |
| West test | 50 | ||
| Rated lightning impulse withstand voltage | KV | 125 | |
| Rate short-circult breaking current | KA | 16 | |
| Rated short-time withstand current | KA | 16 | |
| Rated duration of shotr-circult | S | 3 | |
| Rated peak withstand current | KA | 40 | |
| Rated short-circult making current | KA | 40 | |
| Rated operating sequence | O-11-CO-12-CO-13-CO-LOCK | ||
