Relay Non-Ac Immune, Plug-In Type, Style Htmnk, Dc Neutral Line, 60V, 4F/4B Contacts, Front And Back Contacts Metal To Metal Conforming To Irs:S 46, Irs: S34 & Irs: S23 (As Applicable). The Relay Ho Using Shall Contain Two Miniature Identical Relays In Mini Group Housing Complete With Base Plate. Type : H Tmnk 4F/4B, 60V (Suitable For Hytronics Make Rri At Kir) [ Warranty Period: 30 Months After The Date Of Delivery ] ]