... circuit breaker mccb break breaker,load break,electrical break,electrical break,break pads factory,air break switch. RDM1L moulded case circuit breaker ... AC50Hz, rated operating voltage AC 400V or below rated operation current up to 800A for infrequent changing over and starting ... breaking capacity (KA)Service short circuit breaking capacity (KA)Operation performance ON OFFRDM1L-63L6,10,16,20,25,32,40 ...