... motors Overload,Locking,Open phase(differential) Application The thermal overload relay protect the motors Overload,Locking,Open phase(differential)Characteristics £¦#9830 ... conductor(Applied model:GTH-22,40,85)£¦#9830;Separation of power part and operation partThe main circuit and the operation part ... ,22GMS-32,40GMS-50,65,75,85 DTH85 series Thermal Relay