Tender For supply of contactor for 60 kva transformer rated current: 95 a, rated voltage: 690 v ac, main pole: 4, aux. contact: 1no + 1nc, control voltage: 230 v ac (168 v ac - 300 v ac) means 230 v ac +/ 30% with surge suppressor as per rdso l. no. 7.1.108/mssbc dt. 17.09.2021 sr. no. 36 (s1k44) suitable for switchboard cabinet of rdso spec. no. rdso/pe/spec/ac/0184 (rev.1) m/s. abb catalogue no. af116b-40 only. [ warranty period: 30 months after the date of delivery ]
Tender For supply of single phase battery charger , the charger will consists of main transformer d.w.copper winding single phase rectifier to give d.c.output voltage 110v to 150v/60amp input 230v single phase 50hz. the voltage and current will be controlled by fine and coarse control rotary switch 40amp 1pole make-(balson/switchon/kaycee). thecharger will have d.c. output ammeter/voltmeter, input mcb, ac fuse, pilot lamp to indicate mains on fan will be provided for cooling. the charger will be housed in m.s.angle/sheet powder siemens grey cabinet with wheel. [ warranty period: 30 months after the date of delivery ]
Tender For insulation monitoring relay, 415v ac, 3 phase, neutral isolated, voltage range0-500v ac, insulation measuring range 10k ohm to 150k ohm, control supply 24-240v ac/dc, place of installation - s1a7, used for insulation control of 415v in lhb type ac coaches, confirming to rdso specification no. rdso/pe/spec/ac-0184-2015 (rev-1), suitable for switch board cabinet of lhb type ac coaches. accepted make & cat no.: as per sr. no. 68 of rdso letter no. el/7.1.108/mssbc, dated 17.09.2021, or any other rdso approved make. [ warranty period: 30 months after the date of delivery ]