bids are invited for 415v/50hz tpn outdoor type distribution pillar board. total quantity : 6; 415v/50hz tpn outdoor type distribution pillar board. outdoor type feeder pillar board with sloped canopy complete with earthing, locking and lifting arrangement with the following features: 1. sheet metal: 2.5 mm crca sheet 2. gland plate: 3 mm crca sheet, detachable type 3. protection type: ip 55 4. mounting type: structure mounting with 4 legs 5. painting: 9 tank processed phosphatised powder coated as per is 6005. 6. incomer: 250a,36ka rated 3 pole mccb with t/m release (o/c, s/c protections) with separate neutral, extended rotary operation mechanism (rom) and spreader links : 1 no. 7. indication led with fuses (r-y-b)-1 set. 8. bus-bar: 250a rated 3 phase 4 wire electrolytic aluminium busbar, colour coded and with heat shrink insulating sleeve. 9. outgoing: 63a,25ka rated 3 pole mccb with t/m release (o/c, s/c protections) with separate neutral, spreader links and extended rotary operation mechanism (rom): 4 no. 10. panel should have pad locking, earthing and lifting arrangement and detachable gland plate at the bottom. 11. packing: in wooden crate. 12. air ventilation arrangement shall be provided to facilitate air circulation. 13. the busbar of all phases and neutral shall be provided with colour coded heat shrinkable insulation sleeves. phase barriers shall be provided between the busbars and all busbars shall be in two equal sections with removable link. 14. the design of distribution board shall ensure there is no possibility of the operator experiencing a shock during normal operation. insulated barriers shall be provided wherever necessary so as to ensure that no accidental contact with live parts inside the pillar box is possible. 15. drawing to be submitted to ntpc for approval before commencing manufacturing. 16. isi marked items only to be used. successful bidder should take prior approval from ntpc for all bought items make and model. the panel components shall comply to is/iec-60947 low voltage switchgear & control gear.