Q-Series Magnetically Latched Neutral Line Relay Ql1 (11F/4B): Relay Plug In Type 24V Dc 11F /4B Contact, Front And Back Contact Metal To Carbon, Complete With Plug Board, Retaining Clips And Connect Ors Conforming To Brs:935A, And Rdso Specn.No.Irs:S34, Irs:S-23 As Applicable Or Latest, The Interlocking Code For This Unit Shall Be [ Warranty Period: 30 Months After The Date Of Delivery ] ]