Providing and fixing of Isolation Transformer at weighbridges and boom barriers at different mines of SECL, Raigarh Area

Item Description

Supply and fixing of 02 Port single phase surge protection device (voltage switching and voltage limiting)0.25KA Nominal current discharge capacity & voltage protection upto 1KV in the existing DB complete with connections, testing and commissioning etc. Jampali OCM - 05 Baroud OCM - 10 Bijari OCM - 06 Chhal OCM - 15

Supply and installation of 10KVA Isolation Transformer with encloser having voltage ratio of 415V +/- 5% as required Jampali OCM - 5 Baroud OCM - 10 Bijari OCM - 06 Chhal OCM - 15

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. ( with charcoal/ coke and salt ) as required. Jampali OCM - 10 Baroud OCM - 20 Bijari OCM - 12 Chhal OCM - 30

Supplying and fixing metal box of 180mm X 100mm X 60mm deep (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including providing and fixing 6 pin 5/6 & 15/16 amps socket outlet and 15/16 amps piano type switch, connection, painting etc. as required. Jampali OCM - 10 Baroud OCM - 20 Bijari OCM - 12 Chhal OCM - 30

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FR PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required. 2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire Jampali OCM - 50 Baroud OCM - 100 Bijari OCM - 60 Chhal OCM - 150

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