Features:1.Rated Voltage: Rated insulation voltage is 690V, operation frequency of thermal relay is 50HZ or 60 HZ, have a long service time.2.Professional Design: Professional manufacturing, exquisite workmanship, high effciency, stable performance and high reliability.3.Excellent Performance: Silver alloy contacts enhance electrical conductivity, stronger, more sensitive, more bearing capacity.4.High Quality: Flame retardant plastic shell is resistant to high temperature and anti deformation, even in the case of open fire will only gradually carbonized.5.Multifunction: Thermal overload relay has differential phase failure protection, manual and automatic reset, temperature compensation, test button.Specification:Item Type: Thermal Overload RelayMaterial: Silver Alloy + Flame Retardant PlasticOperation Frequency: 50HZ/60HZCurrent Level: 63Rated Insulation Voltage: 690VPhase Failure Protection: YesManual And Automatic Reset: YesTemperature Compensation: YesTest Button: YesInstallation Method: IndependentAmbient Temperature: -5 - +40PackageList:1 xThermal Overload Relay