Electric Thermal Overload Relay Protector 690V Insulation Manual Automatic Reset Temperature Compensation Features: 1.Working Range: Rated insulation power 690V, current 20?32A, operating frequency 50HZ/60HZ, work temperature ?5C?+40C. 2.Good Configuration: Adjustable setting current connection, automatic and manual reset, optional, with test and stop buttons. 3.Differential Thermal Overload Relay: Thermal overload relay has differential phase failure protection and flexible detection mechanism. 4.Better Conductivity: High?quality silver alloy metal contacts improve conductivity, more sensitive and larger load. 5.Flame Retardant: Plastic shell is resistant to high temperature and does not deform, even if it encounters an open flame, it will only gradually carbonize. Specification: Item Type: Thermal overload relay Material: Silver alloy, flame retardant plastic Operating Frequency: 50HZ/60HZ Current Level: 20 Rated Insulation Voltage: 690V Current: 20-32A Phase Failure Protection: Yes Manual And Automatic Reset: Yes Temperature Compensation: Yes Test Button: Yes Installation Method: Independent Work Temperature: -5C-+40C PackageList: 1 x ThermalOverloadRelay