supply of electronic time delay relay with time delay 2 minutes for starting of first compressor and further delay of 30 seconds for starting of second compressor operated on 95-115 v ac,50 hz for eog ac coaches & 110+ 5 % v ac,50 hz for sgac coaches for control panel of ac coaches conforming to rdso specification no rdso /pe/spec/ac/ 0060-2004 ,rev-0%u2019%u2019electronic time delay relay with time delay 2 minutes for starting of first compressor and further delay of 30 seconds for starting of second compressor operated on 95-115 v ac,50 hz for eog ac coaches & 110+ 5 % v ac,50 hz for sgac coaches for control panel of ac coaches conforming to rdso specification no rdso /pe/spec/ac/ 0060-2004 ,rev-0%u2019%u2019,electronic time delay relay with time delay 2 minutes for starting of first compressor an d further delay of 30 seconds for starting of second compressor operated on 95-115 v ac,50 hz for eo g ac coaches & 110+ 5 % v ac,50 hz for sgac coaches for control panel of ac coaches conforming to rdso specification no rdso /pe/spec/ac/ 0060-2004 ,rev-0%u2019%u2019 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]