This 6A Single Pole C-Curve 10kA Miniature Circuit Breaker from the house of Crabtree (Havells brand) is an innovatively designed MCB that protects an electric circuit from any sort of damage caused by overloading or short circuits. Crabtree is a British brand, which Havells brought into India to manufacture MCBs/RCCBs and Modular Switches. However, now there is a limited availability of Crabtree make MCBs/RCCBs and associated protection devices.
This DSINE DN2-250D 100-250A 36 kA 3 Pole MCCB (µP) from Lauritz Knudsen protects electric circuit against overloads and electrical faults. MCCBs cater to higher loads (100A - 630A) than MCB (upto 63A).