Name of Work:Supply, Installation and Commissioning of HT and LT at THDC India Limited complex, Rishikesh
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Supply, Installation, Testing and commissioning of LT panel Board ( to be connected and integrate with existing panel) as per the following specificaton. The panel should be Designed as per the latest standard IEC 61439. The panel should have Busbar clearance of 25 mm for Ph to Ph and 19 mm for Ph to neutral, Zero Stray voltage doors and panels, polyster glass support for insulation. The cable alleys should be 300 mm wide and it should be fitted with hinged door that open up to and angle of 95 Deg. The provision of cable entry should be from Bottom. The IP protection of panel should be IP-42 for external and IP2X for internal with 3B as Form of sepration. The panel should be equiped with suitable size of CT and display meter for VAF measurement. Make of panel: L&T (Ti), Siemens (Sivcon), Schneider (Prisma)\nA. INCOMER ACB 1Nos.\n1. 1250 A, four pole, 50 KA, MDO type Air Circuit Breaker with microprocessor release having LSING Protection. The breaker should have common height and depth across the range and must have Arc chute interlocking for saftey of operators. The accessories should be front mounted and have Tool-less fixing of voltmetric release. the display of complete accessory information about ACB should be at the front facia. The ACB should have Icu=100% of ICS, Impulse voltage 12 KV, Icm=105KA, opening time of 40ms. Make L&T, Siemens, Schneider\nB. Outgoing\nThe outgoing feeder should consist of Microprocessor based MCCB with inbuilt earthfault protection and front LED indication of overload, shortcircuit and earthfault. Make L&T, Siemens, Schneider. 1. MCCB 4P, 36 KA, 630 A,microprocessor release. 2 Nos. 2. MCCB 4P, 36 KA, 250 ,microprocessor release. 6 Nos.
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Supply, Installation, Testing and commissioning of HT panel ( to be connected and integrate with existing panel) of VCB panel consisting of 2 Nos of outgoing VCB of rating 800A, 12 KV, Fault Level 26.3 kA as per IEC 62271-100, IEC 62271-102, 62271-200. The panel should be Draw out type and readily to extend on both side and should comply following specs. It should be equipped with suitable size/ratio CT and protection should be provided by MC61AnX relay.\n1. Nominal Current : 800 A\n2. Short time current rating : 26.3 kA\n3. Duration of Short circuit withstand : 3 Sec.\n4. Making capacity : 65.75 kA\n5. Impulse withstand voltage : 75kVp\n6. one minute power frequency withstand : 28kV\n7. Suitable for operation sequence : O-0.3 Sec-CO-3 min-CO\n8. Break Time : < 3 Cycles\n9. Mechanical life : > 10,000 operations\n10. Degree of Protection : IP4X
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