Product Description:

ZW43A-12 outdoor post-mounted high-voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is an outdoor power distribution equipment with a maximum rated voltage of 12kV and 50Hz three-phase AC. It is mainly used for breaking and closing the load current, overload current and short-circuit current in the power system of the distribution network. It is suitable for protection and control in power distribution systems of substations and industrial and mining enterprises, more suitable for rural power grids and places with frequent operations, especially for the needs of urban and rural power grid transformation. This installation and operation manual specifies the main technical parameters, product structure, principles and methods of operation, installation, and maintenance of the circuit breaker.

Item Meaning:

Application Condition:

• Altitude: ≤2000m
• Ambient Air Temperature: -40℃~+45℃ / -40℉~+113℉
• Wind Pressure: ≤700Pa (equal to wind speed 34m/s)
• Pollution Level: Ⅱ
• Earthquake Intensity: ≤8 degree
• Installation Environment: no explosion and flammable hazard, no chemicals, no strenuous vibration
• Notice: please contact us if the application environment is beyond above range.

Main Technical Parameters: