This breaker’s rated insulation voltage is 69ov, is applied to distribution network circuit of Ao 50Hz or 60 Hz, rated working voltage up to 690V, rated working current up to 800A, which is for electricenergy distribution, circuit protection, protecting power supply facility from destroying by the fault of overloading, short circuit and undervoltage. Meanwhile, it is also used for protection from unfrequent starting, overloading, short circuit and undervoltage of the electromotor.
This breaker has such characteristics of compact volume. high short circuit interrupting capacity. short flash arcing and etc, which is a ideal product for users.
This breaker can be installed vertically (upright), and also horizontally.
This breaker comply with standard IEC60947-2, GB 14048.2.
Altitude less than 2000m;
Ambient medium temperature is from-5℃ to +40℃ (+45℃ for shipping product).
Can withstand moist air Max incination is 22.5°
Can withstand mold
Can withstand nuclear radiation
It can still work reliably if the product subjects to the normal vibration from ships
It can still work reliably if the product subjects to the earthquake(4g)
Put in the place where is no explosion danger and conductive dust.cant corrode metel and destroy the insulating gas
Put in the place where is no sleet