RMO Specialized Electrical and Mechanical Services at Tis Hazari Court Complex, Delhi. (SH Supply and replacement of wornout/faulty Air Circuit Breaker (ACB) of the existing LT Panel and motorized Changer over switch.)

Supply, Installation, Testing and Commissioning of 2000 Amps, 415V, 50Hz, 3 Pole, Draw-out type Air Circuit Breaker (ACB) suitable for LT panel incomer from Transformer complete with the following: Microprocessor-based release with adjustable protection for: Overload (L), Short Circuit (S) ,Instantaneous (I) Earth Fault (G), Rated breaking capacity not less than 50 kA, Motorized spring charging mechanism, Shunt trip and under-voltage release (UVR), Mechanical ON/OFF and trip indication, Electrical and mechanical interlocks, Auxiliary contacts, Safety shutters and arc chute assembly, Terminal spreaders, phase barriers, and all standard accessories, Compatible with existing LT panel having following item:- 2000A Three Pole 50 KA MDO ACB - 1 No. Bus Bar Connections 2000A (2R x 100 x 10 mm TPN Al) - 1 No. Heat Shrinking Sleeves for Bus-BAR - 1 No. Nut-Bolt, Washers - LS R/Y/B indication - 1 No. 6A SP Control MCB 10 KA (C Curve) - 4 Nos. Retrofitting cost :- Installation of Breaker, Bus-Bar Fitting, Sleeves, Nut Bolt, Servicing of Main Bus-Bar and testing of Complete Panel)

Supply, Installation, Testing and Commissioning of 400 Amps, 415V, 50Hz, 4 Pole Motorized Changeover Switch, suitable for LT distribution system, complete with the following: On-load changeover with I–0–II (Source Selector) operation Suitable for switching between two power sources High short-circuit withstand capacity as per system fault level Sheet steel enclosure with dust and vermin proof construction (IP-54 or better), Proper interlocking mechanism to prevent simultaneous closing of both sources, Clearly visible ON/OFF and source indication, Suitable busbar / terminal arrangement for 400A rating, Control wiring etc. complete as required.