Supply Of 120 Second Fail Safe Electronic Time Delay Q Series Relay, Plug In Type, Workin G Over 24V Dc, Complete With Plug Board, Retaining Clip And Connectors Conforming To Specification No. Irs:S-61/2000 Amd.3 Or Latest. The Interlocking Code For This Unit Shall Be [ Warranty Period: 30 Mont Hs After The Date Of Delivery ] ]