Tender For corrigendum : laying of 02nos. of 240 sqmm pvc cable from controlling switch to first pole at kc-2 pit sub-station under bilbera switch station of govindpur area-iii
Tender For providing and fixing a timer switch 220v, 63 amp complete set at different places for controlling the street lights installed at mines of different circuits under kathara colliery
Tender For corrigendum : supply of circuit spot 800 amp , operating handle for isolator , castel lock spindle type with key , castel lock box type with key , cable gland-conical type for 70 sqmm x 3 , auxiliary relay 3o by c , vaccum bottle 1250amp 26ka , trip coil , closing coil , limit switch , indicating lamp , ht bushing w by clamp fitting 3 point 3kv 1250a , heavy duty epoxy resin cast potential tr , h v fuse link 6 point 6 kv , earth leakage relay , under voltage relay , over voltage relay , ammeter , voltmeter , ammeter selectorswitch , voltmeterselectorswitch , mcb 6amp 2 poles , fuse base , fuse base holder 415v ac 32a , master trip relay , insulator complete set
Tender For repairing, fitting and testing of idmt relay and el relay of 3.3kv ocb switch make crompton greaves, sl. no.- 37/38/br01, 400a controlling switch of 500kva transformer under 37/38 incline abns colliery.
Tender For repairing of 3.3kv, 400amps vcb switch electroteknica make, type nflp sl. no. 369 for controlling of 1-k pit substation of phularitand, amp colliery.
Tender For tender for supply of fixing self regulating heat tape cable insulation and accessories in ppr pipe - providing and fixing self regulating heat tape resistance heating cable suitable to protect freezing of water in pipelines having rated output of 35 w per meter at 220 v ac supply the heating cable shall have capabibility to automatically adjust its heat output based on surrounding temperature conditions to prevent freezing and overheating the cable should be suitable for continuous operation in outdoor in adverse climatic conditions flexible for installation around pipelines joints and valves and compatible with temperature controller systems , providing m20 3 pin connector suitable for making secure electrical joints between self regulating heat cable terminals designed for reliable power and signal continuity the connector should be operable for operation at rated 220 v ac supply and compatible with heating cables of specified capacity must l ensure safe and firm termination with robust insulation to prevent moisture ingress short circuits and electrical leakage the connector shall be made up from high-quality weather resistant materials suitable for continuous outdoor operation under adverse environmental conditions it should be ease in installation with a compact and durable design for use in pipeline joints terminations and interconnections the connector should be compatible with temperature control systems and associated accessories ensuring long term performance safety and protection against overheating corrosion and mechanical stress , providing temperature differential controller with auto and manual operation housed in a robust ip65 rated enclosure suitable for controlling heat tracing systems to prevent freezing of water in pipelines and utilities the controller should be capable to automatically switch the heat tape on off based on preset temperature differentials ensuring optimal performance and energy efficiency the controller should have in built safety features such as overrun protection and burn out protection to safeguard the heating cable and associated equipment from damage the enclosure shall be weatherproof and suitable for outdoor installation offering protection against dust and water ingress and ensuring reliable long term operation under harsh environmental conditions , providing pt100 temperature sensors with 10 metre cable suitable for accurate temperature measurement and control in heat tracing and pipeline monitoring applications the sensors should be made up of platinum resistance type pt100 ensuring high precision stability and reliability over a wide temperature range the wire with sensor should have high quality insulation suitable for reliable signal transmission and compatible with temperature controllers and monitoring systems the cable shall be durable flexible and suitable for installation in outdoor under extreame weather conditions in high altitude area , providing 3 core 1.5 sq mm pvc insulated and pvc round sheathed multicore flexible cable comprising bright annealed bare copper conductors suitable for heavy duty industrial applications rated for voltage grade up to 1100 volts the cable shall confirm to requirements of is 694 2010 the conductors shall be made of high-conductivity annealed copper ensuring efficient current carrying capacity and minimal losses each core shall be uniformly insulated with high-quality pvc compound and the overall cable shall be protected with a durable pvc outer sheath providing resistance against moisture abrasion and mechanical stresses the cable shall be flexible in nature allowing ease of installation in confined and complex routing conditions it should be suitable for continuous operation in indoor and outdoor adverse environments offering reliable performance electrical safety and long service life