... phase latching relay Relay 120A ,double coils for Electrical Meter Specifiaction Contact Current120A/250VACContact Form3A,3BContact ResistanceMax.1mΩ(12VDC ... . Connecting formTerminal type40A,50A,60A,70A,80A,90A,100A,120ACoil voltage6,9,12,18,24,48VDCCoil typeS=single ... L.West UnionUsage:Prepayment energy meter,AMR system,Compound switch,Power compensation devices,Smart meter(Smart grid)Latching Relay ...