The ZW7-36 series 40.5KV 1250A Outdoor high-voltage vacuum circuit breaker is a three-phase, 50Hz AC outdoor switchgear designed for 36 KV power distribution and transmission systems, capable of controlling load currents, overloads, short circuits, and other electrical currents by safely switching them on or off.
ZW7-36 series Outdoor High-volt 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.
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