What are the Maximum withstand KW range for all circuit breakers ?

• MCB - Miniature Circuit Breaker can withstand <250 KW.
• MCCB - Moulded  Case Circuit Breaker can withstand 250 to 500 KW.
• RCCB - Residual Current Circuit Breaker can withstand 500 to 1000 KW.
• ELCB - Earth Leakage Circuit Breaker can withstand 1000 to 5000 KW.

      For above 5000 KW the following Circuit Breakers are used depends upon the Applications,

• ACB - Air Circuit Breaker (>5000 KW)
• VCB - Vaccum Circuit Breaker (>5000 KW)
• OCB - Oil Circuit Breaker (>5000 KW)
• SF6 CB - Sulfur Hexa Floride Circuit Breaker (>5000 KW)
• CO2 - Corbandi-oxide Circuit Breaker (>5000 KW)