| Pre-Qualification : |
1 Regular/Bulk orders will be placed on past suppliers for tendered item or for the items having same description, but of different sizes/ratings/capacities as per detailed conditions mentioned in clause 2.8.1 to 2.8.4 and 2.8.3 of NER Bid Document Version 33.0 Yes Yes Not Allowed
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Requirement :
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Supply of rectifier cum battery chargers
rectifier cum battery chargers (110v,300 amp ) with input supply 415v, 3 phase , 50 hz ac,supply + variation as per ie rules (380vac to 480vac), output switch 30 kw, 300 a. 110/150 v dc supply bymeans of rotary selector switch, maximum humidity- 100% , maximum ambient temperature- 50 degree,enclosure suitable for- indoor type, thickness of sheet- not less than 2 mm, main transformer- transformerdouble wound with winding material copper air cooled fully insulated with class b insulation, meters & indicatinglamps- one set indication lamps ( neon type ) for 3 phases shall be provided input voltage , input current &input frequency shall be monitored through smart reputed meter. [ warranty period 30 months after the date ofdelivery ]
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