Tenders for Supply of Relay Ac Immune Plug In Type Style Qspa1 Dc Neutral Line Slow To Pick Up 24V, 8F-4B Contacts Front And Back Contacts Metal To Carbon Complete With Plug Board Retaining Clip And Connectors Conforming To Brs:933A Irs:S:60, Irs:S:34 And Irs:S:23 As Applicable. The Interlocking Code For This Unit Shall Be Abdej.