Tenders for Supply of Relay Plug In Type, Style Ql1 Magnetically Latched, Neutral Line, 24V Dc, 11F/4B Contacts Front And Back Contacts Metal To Carbon Complete With Plug Board, Retaining Clip & Connectors Confirming To Brs:935A, Irs:S34 & Irs:S-23 As Applicable. The Interlocking Code For This Unit Shall Be Abdeg.