What is the use of MV+MN voltage trip for MCB?
MCB=miniature circuit breaker
Does this accessories protect appliances which are connected to MCB?
- PhilomelLv 71 month agoFavourite answer
MV is the trip of the Miniature circuit breaker when when an Over Voltage occurs.
MN is the trip when an under voltage occurs.
These may be ; for a 240V breaker, MV=280V and
MN=170V to protect the load which may be a motor.
- JimLv 71 month ago
over voltage is obious
under voltage means you get over current to maintain same power