supply of coupling socket assembly, high capacity inter vehicular zs coupler.coupling socket assembly, high capacity inter vehicular zs coupler.,coupling socket assembly. with locking arrangement without cable suitable for 500a zs cou pling eog system 750 volts, 3 phase, 50 hz suitable for lhb type coaches as per rcf drawing no. lw7130 0 and rdso specification no. rdso/pe/spec/ac/0177 (rev.1) 2013. [ warranty period: 30 months after t he date of delivery ] ] , coupling socket assembly. with locking arrangement without cable suitable for 500a zs cou pling eog system 750 volts, 3 phase, 50 hz suitable for lhb type coaches as per rcf drawing no. lw7130 0 and rdso specification no. rdso/pe/spec/ac/0177 (rev.1) 2013. [ warranty period: 30 months after t he date of delivery ] ] , high capacity inter vehicular zs coupler of 500a rating, 750 v for lhb coaches conforming to rdso specification no. rdso/pe/spec/ac/0177-2013 (rev. 0).(qty one nos. consist of (1) 01 nos. jumper plug assembly, (2) 01 nos. coupling socket assembly, (3) 01 nos. dummy socket assemb ly (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 eachcoupler socket = 400 mm) [ warranty peri od: 30 months after the date of delivery ] ]