... quality ,professionally manufactured. isolating switch HR6 series can be used in ... 690v,AC 50HZ(or 60HZ),and conventional free air heating current up to 630A.It is applicable ... -circuit current and motor circuit,serving for power switch,isolating switch,emergency switch as well as circuit protectot.Generally,ic ... single motor and is for use indoors.This switch can be mounted in the cabinet as well ...