Low voltage air circuit breaker , 3 / 4pole 63A miniature circuit breaker

Low voltage air circuit breaker , 3 / 4pole 63A miniature circuit breaker

APPLICATION
 
GNQ1series miniature circuit breaker automatic transfer switch is composed of two mcb and its auxiliary parts. It is suitable to the double power system of AC power below 415V,frequency 50/60Hz,rated current below63A. The main applied places include hospital, shopping mall, bank, fire control , telecommunication, high-rising building etc. where the power off is not allowed.
 
FEATURES

With small volume, simple structure ,easy operation ,long life ,3/4pole available;
 
The switching drive is single motor ,stable ,without noise, impact small; With mechanical and electric interlock, switching reliable ,manual and automatic transfer optional;
The rated current of normal power mcb and backup power mcb can be different;
The terminal in ATS is for user wiring to display the close or open station of mcb;
The mcb has high breaking capacity.
 
WORKING CONDITIONS

The around air temperature should be between +5℃ and +40℃ ,the average value should be not higher than 35℃;
 
The sea level should not exceed 2,000m;
 
The air relative humidity should not exceed 50%,lower temperature ,the humidity can be higher, the average temperature +25℃,,the max relative humidity should not exceed 90% and the surface condensation should be taken into consideration cause of the temperature change;
Pollution degree III;
The working place is without strong vibration and impact, no corrosive gas that corrode metal and break the insulation, no strong dust, no conductive particulate and explosive dangerous substance, no strong electromagnetic interference.
 
PARAMETERS