MCB stands for miniature circuit breaker , which provides protection against over current. the setting is not adjustable. RCB stands for residual circuit breaker which provides protection against earth fault as well as over current. It monitors the current difference between phase and neutral and if the difference is more than rated value say 200 milli amps it will trip.
rcb
RCB
TPN is same as 4P MCB TPN means Three Pole and Neutral - four pole MCB. 4P is four pole MCB
TPN MCB means Triple pole Neutral Miniature Circuit Breaker where as SPN MCB means single phase Neutral MCB.
yes
MCB Bank Limited was created in 1947.
32A MCB to be used
MCB = Miniature Circit Breaker CB = Circuit Breaker
mcb but cb has 2 and the other one has 3
RCB
offcourse Rcb