HYCM8 Series Molded Case Circuit Breakers

Classification of MCCB

Installation type of MCCB:MCCB are suitable for vertical or horizontal installation.

According to use of MCCB:distribution circuit protection type, motor protection type;

According to connection way: front panel connection, back panel connection, plug-in connection;

According to operation way: for direct handle operation, for external rotary handle operating for motor operating;

According to overload release type: magnetic release(only instantaneous),the mo dynamic magnetic type(dual),electrical release.

According to number of poles: there poles and four poles.

The neutral poles(N poles) of four poles MCCB has for types: Type A: no overload release on N pole,which is making at the time;not closing and opening with the other three poles.

Type B: no overload release on N pole, which is closing and opening with the other three poles.

Type C: with overload release on N pole, which is closing and opening with the other three poles. Type D with overload release on N pole,which is making all time; not closing and opening with the other three poles breaking capacity type L highest breaking capacity type L-highest breaking capacity type.