supply of high capacity inter vehicle coupler 500 amps 750 v, 3 phase 50hz complete sethigh capacity inter vehicle coupler 500 amps 750 v, 3 phase 50hz complete set,high capacity inter vehicle coupler 500 amps 750 v, 3 phase 50hz complete set as per rdso specn.no.rdso/pe/spec/ac/0177 rev.o.2013. one complete set consist of (1) 02 nos. jumper plug assembly, (2) 02 nos. coupling socket assembly, (3) 02 nos. dummy socket assembly (4) jumper cable duly crimpled with each jumper plug and cover with flexible polyamide conduits and its fitting = 2.6 meters (5) jumper cables duly crimpled with each coupler socket = 400 mm. [ warranty period: 30 months after the date of delivery ]