Check your eligibility criteria for tender Supply of Relay Ac Lamp Proving Plug-In-Type, Style Ac-Led All Aspects, Relay Unit W Ith In-Built Current Transformer Type, Slow Release Neutral Line Relay, 4F, 4B Conta Cts, Front And Back Contacts Metal To Carbon, Shall Be Suitable For Working In Seri Es With 110 V Ac, Led Signal Lamps Rated At 15W Confirming To Rdso Specn.Sts/E/Relays /Ac Lit Led Signal/09-2002, Brs: 941A, Irs: S 34 & Irs: S 23 As Applicable. The Interlocking Code Unit Shall Be Abdhk. Warranty Period: 30 Months After The Date Of Delivery