Feature: 1. 690V Isolation Voltage: The rated insulation voltage is 690V, with temperature compensation function, independent installation, safe and convenient. 2. Optional Reset Method: Adjustable setting current connection, automatic and manual reset is optional according to your demands, with test and stop buttons. 3. Good Conductivity Contacts: The contacts are made of high quality silver alloy to improve conductivity, more stronger, more sensitive and more load bearing in use. 4. Flame Retardant Housing: The shell is resistant to high temperature and does not deform. Even if it encounters an open flame, it will only gradually carbonize, effectively avoiding potential safety hazards. 5. Phase Failure Protection: The thermal overload relay has differential phase failure protection and flexible detection mechanism, which brings you more convenience. Specification: Item Type: Thermal Overload Relay Material: Silver Alloy + Flame Retardant Plastic Operating Frequency: 50HZ/60HZ Rated Insulation Voltage: 690V Phase Failure Protection: Yes Manual and Automatic Reset: Yes Temperature Compensation: Yes Test Button: Yes Installation Method: Independent Ambient Temperature: -5℃ to +40℃. Package List: 1 x Thermal Overload Relay