This 6A Three Pole C-Curve 10kA Miniature Circuit Breaker from the house of ABB is an innovatively designed MCB that protects an electric circuit from any sort of damage caused by overloading or short circuits.
This 420083 63A 36kA 3 Pole MCCB from Legrand protects electric circuit against overloads and electrical faults. MCCBs cater to higher loads (100A – 630A) than MCB (upto 63A).