... ,rapid act. 3.3 phase relay. DS907A 120A 3 phase latching relay Relay 120A ,double coils for Electrical Meter Specifiaction Contact Current120A/250VACContact ... B/L.West UnionUsage:Prepayment energy meter,AMR system,Compound switch,Power compensation devices,Smart meter(Smart grid)Latching Relay Models PackagingFactory ...