DTH85 series thermal overload relay protect the motors Overload,Locking,Open phase(differential) Application The thermal overload relay protect the motors Overload,Locking,Open phase(differential) ... Safety coverThe finger proof safety cover prevent careless touch of electric conductor(Applied model:GTH-22,40,85)£¦#9830;Separation of ... 22GMS-32,40GMS-50,65,75,85 DTH85 series Thermal Relay