Product Description:

ZW7-40.5 outdoor high-voltage AC vacuum circuit breaker is an outdoor high-voltage power distribution device with a rated voltage of 40.5kV and three-phase AC 50Hz. It is suitable for switching on and off the load current, overload current and short-circuit current in the power system for protection and control in substations and industrial and mining enterprise distribution systems at altitudes below 3000m. It is also suitable for rural power grids and places with frequent operations.

Application Condition:

• Ambient Air Temperature: -25℃——40℃ （average temp≤35℃ in 24 hours）
• Altitude: ≤3000m
• Wind Speed: ≤34m/s
• Earthquake Intensity: ≤8 degree
• Air Pollution Level: Ⅲ Level
• Installation Environment: no explosion hazard, no chemicals, no strenuous vibration
• Notice: please contact us if the application environment is beyond above range.

Technical Parameters: