supply of stainless steel coupling socket assembly with locking arrangement with cables each length 1.5 mtrstainless steel coupling socket assembly with locking arrangement with cables each length 1.5 mtr,stainless steel coupling socket assembly with locking arrangement with cables each length 1.5 mtr (ebm) suitable f or inter vehicular coupler (z s coupling) eog system, 750 volts, 3 ph, 500 amps, 50hz, suitable to use in wap7 locos, as per rdso spec.no.rdso/pe/spec/ac/0177 (rev 1) - 2013. note: supply by sources only from ireps vendor directory vide rdso item id:- 31 00460. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]