supply of set of quick coupling for main transformer of 3 ph. locomotives as per clw specification no. clw/es/3/0456, alt-i or latest and confirming to clw drawing no.clw/es/3/sk-4/0456, alt-c or latest consisting of the following two items. 1) male coupling as per abb id no. hstn 422023p003 qty/set. 01 no. 2) female coupling as per abb id no.hstn 422023p0013 qty/set.01 no. note: clw approved sources shall only participate in the tender or supplier offers shall be considered with valid tender specific authorisation certificate from clw source shall be submitted along with their offer.set of quick coupling for main transformer of 3 ph. locomotives as per clw specification no. clw/es/3/0456, alt-i or latest and confirming to clw drawing no.clw/es/3/sk-4/0456, alt-c or latest consisting of the following two items. 1) male coupling as per abb id no. hstn 422023p003 qty/set. 01 no. 2) female coupling as per abb id no.hstn 422023p0013 qty/set.01 no. note: clw approved sources shall only participate in the tender or supplier offers shall be considered with valid tender specific authorisation certificate from clw source shall be submitted along with their offer.,set of quick coupling for main transformer of 3 ph. locomotives as per clw specification no . clw/es/3/0456, alt-i or latest and confirming to clw drawing no.clw/es/3/sk-4/0456, alt-c or latest con sisting of the following two items. 1) male coupling as per abb id no. hstn 422023p003 qty/set. 01 no. 2) female coupling as per abb id no.hstn 422023p0013 qty/set.01 no. note: clw approved sources shall o nly participate in the tender or supplier offers shall be considered with valid tender specific authorisation c ertificate from clw source shall be submitted along with their offer. [ warranty period: 30 months after the date of delivery ] ]