ZW17-40.5Series Outdoor High-volt Vacuum Circuit Breaker
Service and Installation Conditions
Ambient temperature: from -30 to 40 (from -40 to +40 for the particular order).
Height above sea level:≤ 1000m (＆#118alue 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
Pollution class: class
Far away from the place with the danger of explosion, collision, chemical corrosion, violent vibration