ded Case Circuit Breaker GMl(CMl) series moulded case circuit breaker is applicable to the circuit of AC 50/60Hz, rated insulation voltage SOOV,rated opertating voltage up toAC 600V or 250V(DC),rated operating currnet 6A-S00A.It can be used in motors for unfrequent starting and interruption with the function of the protection against overload,short circuit and undervolatge and capable of preventing damage of circuits and supply units due to its protection devices for over-current,short circuit and undervoltage.The MCCB complies with standard of IEC60497-2&GB1404S-2.According to its limit short circuit breaking capacity(lcu),the breaker are classified into C-type(economical type with current trip-release on N pole closing and opening with the other three poles),L-type(standard type),M-type(middle high breaking capacity type) and H-type(high breaking capacity type). Technical Speciffcation Tripping characteristic The thermodynamic ralease of the breaker provides the feature of inverse time-delay, while the magnetic ralease is the instantaneous operation sa shown on table (distribution circuit breaker)and table 2(motor protection circuit breakers). Working encironment 4.Resistance to salt spry and oil spary. S.Reliable work under earthquake condition(4g). 9.Ambient environment free from explosive danger and air or dust which may cause corrosion of metal or weakness of insulation. 10.Ambient encironment free from erosion of rain or snow. Outline and installation dimension arc-spac$r mounting hole Front panel connection Back panel connection Plug-in connection