Micropro cessor technology offers highly accurate and repeatable protectionIntegrated LCD and keypad provide accurate setup. 43mm compact modular housingAdjustable overvoltage and undervoltage, phase unbalance threshold. Independently adjustable delay time for overvoltage, undervoltage phase unbalanceAdjustable reset method Automatic reset manual reset1 NO & INC contacts. Fault recording with the last 3 faultsProtection functions: yesPhase loss (fault)Phase sequence (inversion)Phase unbalance (asymmetry)Low voltageOvervoltageApplications: Pumps, Fans, Refrigeration Unit, Blowers, Motors, Compressors, Elevators, Elevators, Cranes, Mining Excavators and ConveyorsRated voltage: 380V 50-60Hz, operating range: 300-490VACMain component: Voltage relayContact load: Low powerModel Number: TOMPD-8SProtection function: SEALEDPower Source: ACUsage: General Purposecolour:WhiteMaterial:plasticsize:80 x 54 x 54mmPackage Contents:1 x Voltage protectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.