Indoor High Voltage Vacuum Circuit Breaker (VS1-12 Series)
Detailed Product Description
Indoor High Voltage Vacuum Circuit Breaker (VS1-12 Series)
General
VS1-12 type side-mounted vacuum circuit breaker is used for protection and control of electric appliance , applied for three phase power system with rated voltage of 12KV and frenquency of 50Hz . it is especially suitable for place of frequent operation under rated current of multiple breaking short circuit current .
Main Technical Parameter
| Item | Unit | Parameter | |||
| Rated voltage | KV | 12 | 15 | ||
| Rated current | A | 630-1250 | 630-1250 | 630-1250 | |
| Rated Frenquency | Hz | 50 | |||
| Rated short-circuit interrupting current | KA | 20 | 25 | 31.5 | |
| Rated insulation level | 1 min power frequency withstand voltage | KA | 42 | ||
| lightning impuslse withstand voltage | KA | 75 | |||
