ZW7-36 series 40.5KV Outdoor ceramic column HV Vacuum Circuit Breaker, a three-phase AC 50Hz outdoor high volt switchgear, is applicable for the 36 KV power distribution and transmission system to close or open the load current, over-load current, short-circuit current and so on.
The ZW7-36 series Outdoor High-volt Vacuum Circuit Breaker is designed for outdoor use in high-voltage systems operating at 36 KV. It is suitable for controlling the load current, over-load current, short-circuit current, and other related functions in three-phase AC 50Hz power distribution and transmission systems.
Service and Installation Conditions
Ambient temperature: from -30 to 40 (from-40 to +40 for the particular order).
Height above sea level: <1000m(Value over 1000m should be indicated in advance.)
Air humidity: relative humidity: < 95% daily at average
<90%monthly at average
Wind pressure: ≤700Mpa.
Sunshine intensity: 0.1 W/cm under the 0/5m/s wind velocity
Maximum temperature difference daily allowed: 25
Earthquake intensity: ≤8 degree