supply of supply of shunt led signal lighting 110supply of shunt led signal lighting 110,calling on led signal lighting unit 110v ac retrofittable in existing cls housing and compatib le with ac led ecr as per rdso specification no. rdso/spn/153/2011 (rev.4.1) with latest amendment [ warranty period: 60 months after the date of delivery ] ] , route led signal lightning unit 110vac,retrofitable in existing cls holding com patible with ac led ecr as per rdso spec no.rdso/spn/153/2023 (rev.5.0) or latest [ warranty peri od: 60 months after the date of delivery ] ] , supply of shunt led signal lighting 110v ac retrofittable in existing cls housin gand compatible with ac led ecr as per rdso specification no. rdso/ spn/153/ 2011 (rev. 4.1) o rlatest. [ warranty period: 60 months after the date of delivery ] ] => limited