Features:4. Relay working status is indicated by LED indicators.5. With super small volume, this relay can be mounted on 35mm DIN rail.6. Application: Equipment protection and control(tower crane, elevator, agriculture equipment, refrigerated trucks) Protect equipment from reverse running Normal or emergency power supply switch Protect against phase failure of a dynamic load.Specification:Monitoring terminal: L1-L2-L3-NPower: L1-NRated power frequency: 45Hz-65HzMeasuring range: 101V-318VPower-on delay time: 0.5sKnob setting accuracy: 10 percent Reset time: 1sTemperature fluctuation error: 0.05 percent or C, at=20COutput: 1 xSPDT 10A or AC1 250VAC or 24VDCMinimum switching power: 500mWOvervoltage: 2 percent -20 percent Undervoltage: -20 percent -2 percent Action delay time: 0.1-10s adjustablePhase sequence protection: YesPhase failure protection: YesPower indicator: Green LEDOutput relay indication: Red LEDMechanical life: 1x107Mounting method: 35mm DIN rail mountingMount altitude: 2000mWeight: Approx. 76g or 2.7ozPackage list: