Wholesale Cheap Professional Manufacturer MCCB 3p 630A Moulded Case Circuit Breaker

APPLICATION
HTM1moulded case circuit breaker with rated insulation voltage 800V, applied in the power system of AC50(60)Hz, rated voltage 690V and below, rated current 1250A and below as the transfer not frequently. The circuit breaker has the protection devices of over load, short circuit and under voltage ,it can protect the circuit and power equipment from broken.

The mccb can be sorted to C type (basic),L type (standard),M type (high breaking), H type(higher breaking) according to its rated limit short circuit breaking capacity.

The mccb has the features small volume, breaking capacity high, electric arcing short ,anti-vibration. It is the ideal product for application in land and ship.

The installation can be vertical or level and the standard conforms to IEC60947-2 and GB14048.2

 

Altitude up to 2000m;
Ambient medium temperature should be within -5ºC to +40ºC (+45ºC for marine products);
It can withstand the effect of damp air;
It can withstand the effect of salt fog or oil mist;
It can withstand the effect of moulds;
It can withstand the effect of nuclear radiation;
The max inclination is 22.5ºC.
It still can work reliably when the ship subjects to normal vibration;
It can still work reliably if the product subjects to the earthquake (4g).
Places where the surrounding medium is free from explosion danger, and far away from gas or conductive dust that would erode
the metal or destroy the insulation;
Keep away from rain or snow.

 
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