Question 1

What is the difference between 1 pole mcb and 3 poles mcb?

Accepted Answer

1 pole MCB controls single-phase power. Whereas a 3 pole MCB is used in a three-phase electrical system.

Question 2

What is the difference between MCB and MCCB?

Accepted Answer

MCBs are widely used for low energy requirements like for domestic purposes where there is low circuit current. On the other hand, a MCCB is used for a heavy current circuit for places like large industries where there are high energy requirements.