Q-Series Twin Neutral Line Relay, Style Qnn1, 6F-2B, 24V Dc, Complete With Plug Board (Bas E Plate), Connectors And Retaining Clips Etc. And Conforming To Brs-960, Irs:S-34 & S-23. The Interlocking C Ode For This Unit Shall Be Acdek. [ Warranty Period: 30 Months After The Date Of Delivery ] ]