Tender For a) repairing of one no. star delta starter (1) volts-550,200a, si no. wnp used for controlling of dst pump- motor set at konar riverside pump house supplying raw water under kathara colliery. (b) repairing of one no. 3.3kv-6.6kv vcb switch, 1250 amp
Tender For repairing/overhauling supply and fitting of earth fault and overcurrent relay in 6.6kv,h.t cook and ferguson make 400a, ocb switch at jogta substation knc(ii)patch repairing of independent power supply for smooth operation of the controlling circuit
Tender For fitting and testing of idmt relay and el relay of vcb switch make meditron bit mesra 3.3kv 1250amp. sl. no. mdo0340 ctr150/300/5 5a primary controlling switch of 3.15 mva transformer under bhowra power house.
Tender For supply of automatic light controlling nature switch device grade sensors and advanced micro controllers with suitable power contactor and mcb, enclosed in a a frp enclosure for pole mounting, confirming to is-54 and similar to swadep-02 ec-03 kw 1phase.the device should have the following specifications. (1) voltage range: 120v, ac 50hz. (2) switching endurance 5000 cycles of on and off minimum. (3) operating illumination levels (a) for switching on-less than 60 lux for 30 seconds. (b) for switching off-greater than 10 lux for 30 seconds. (4) auto voltage levels. (a) high voltage trip/auto reset- if voltage and gt 280 ac/and it 270v resp. (5) led for indicating the operating status. (6) during based switching of option of 04 to 08 hours with resolution of 1/2 hour. (7) over ride option continuous on and continuous off. makes: swadep-02 ec-03kw of kakatiya energy systems/ ssge or similar. note: (1) warranty and test certificate should be sent with material (2) one sample to be got approved by consignee before bulk supply.