supply of supply of relay plug in type universal led all aspect (qecx61) relaysupply of relay plug in type universal led all aspect (qecx61) relay,supply of relay plug in type universal led all aspect (qecx61) relay. ac lamp proving unit with inbuilt current transformer type slow release neutral line relay 4f/4b contacts, front and back contacts metal to crbon, shall be suitable for working in series with the 110 vac led signal lamp rated at 15 watts c onfirming to rdso specification sts/e/relays/ac lit led signal/09/2002, brs 941a, irs:s-34 & irs: s-23 ca s applicable) or latest. approval of material sample will be taken form consignee before bulk supply. materi al will be supply at consignee depot. this item is not available in gem. [ warranty period: 30 months afte r the date of delivery ] ]