Description
Rated voltage, kV: 10
The greatest working voltage, kV: 12
Rated current, A: 630, 1000, 1250
Vacuum circuit breakers MHZW-12 three-phase high-voltage vacuum circuit breaker, for outdoor installation, designed for switching electrical circuits under normal and emergency conditions in three-phase alternating current networks with a frequency of 50 Hz with a rated voltage of up to 10 kV.
Operating conditions of MHZW-12:
- Altitude: up to 1000 m.
- Ambient temperature: from -45°С to + 45°С.
- Humidity: the average value of relative humidity during the day is not more than 95%; the average value of relative humidity during the month is not more than 90%.
- Seismic resistance up to 8 points.
- The environment is not explosive, does not contain dust, aggressive gases and vapors in concentrations that destroy metal and insulation.
- Service life of the circuit breaker 20 years.
- Warranty period from the date of commissioning — 2 years.
