Product Overview
FN7-12DR type indoor AC high-voltage load switch is suitable for AC 50Hz, rated voltage 12KV three-phase AC power system as a break load current and close short-circuit current, combined electrical appliances can break any current up to the short-circuit current, can be used as protection.
Installation and Use
◆ Normal use conditions: Ambient air temperature
◆ Upper limit: +40°C .
◆ Lower limit: -25°C
◆ Sea dial: The height of sea dial is 1000m and below.
◆ Relative humidity: daily average not more than 95%, monthly average not more than 90%
◆ The surrounding air should not be obviously polluted by corrosive or flammable gases and water vapor.
◆ No frequent violent vibration.
