Military Engineer Services Tender

Supply, install, testing & commissioing HT 11 KV composite VCB Panel with 01 (one) incomer and 04 (four) outgoing with following specification:- INCOMER : Supply and fix 01 No (one) incomer, 11 KV, 800 Amps, HT vacuum circuit breaker indoor panel having IP 4X degree protection, shall be constructed from Aluminium Zinc coated sheet steel of 2mm thickness,for incomer  conforming to IEC 62271-200, 25 KA for 1 Sec, LSC2B-PM class front accessed comprising of Indoor Vacuum Circuit Breaker all as specified and directed  . Enclosed panel shall consisits of following :- (a)  800A continuous rated electrolytic copper bus bar, droppers and bus bars should be insulated with full system voltage sleeves  (b)  VCB shall be of horizontally draw out type . Panel shall have single Latch door closing & optional rear door interlock. VCB shall have provision of spring Charging Handle and VCB have RoF type & Rack in & Rack out motorized mechanism.  Vacuum circuit breaker should have vacuum bottles of the same manufacturer as of circuit breaker. The Vacuum Bottle should be type tested for 100 full short circuit operations. (c)  Motorized spring charging mechanism with integral spring charging handle for manual spring charge. (d)  Panel speration with every compartment like VCB, Metering , Cable Chamber & Bus Bar Chamber (e)  Cast resin Current Transformer 11KV, 100/1+1A, core 1: class 0.5, 10 VA, Core 2: 5P10, 10 VA with metering and protection core including necessary control wiring & Potential Transformer 11 kV,Core I : CL 3P,Core II : Cl 0.5, VA Burden : 50 VA OVF 1.9 for 30 Sec. for metering & protection backed by HT & LT MCB's. Line PT should be mounted only in the rear side ( Top or Bottom)of the Panel , PT mounted below CB is not acceptable. (f) Accessories like local remote switch, breaker control switch (T-N-C), space heater with thermostat, DC & AC control circuit through MCB, indicating lamps for RYB, spring charge, DC supply healthy, breaker ON/OFF, breaker in SERVICE/TEST. (g)  Multifunction meter with RS 485 port ( EM6400 NG)

(h) Digital Ammeter and Digital Volt meter  (j)  Separate master trip Relay (k) Comprehensive numerical protecting relay for non directional O/C, E/F, O/V protection type having following additional facilities :- (i)  Trip ckt supervision. (ii) Event log with date and time. (iii) Suitable to operate on 24 volts DC for auxiliary and control supply.  (l) Panel should also have additional facilities :- (i)  Only OEM panels are to be supplied. Partner or franchice are not accepted. (ii) Fully internal arc type tested (25 KA for 1 Sec) as per latest IEC 62271-200. (iii)  Vacuum bottles should be tested for 100 full short circuit operations. (iv) Manual closing/ tripping of CB with compartment door closed. (v)  The panel shall be provided with power pack battery back up for not less than 10 minutes. (vi)  The Height of the HT section should atleast be of 1400mm for human safety during the internal arc creation. (vii)  Breaker shall be provided with following contacts. (a) Auxiliary switch with 6NO+6NC mounted on the draw out portion of the switchgear. (b) Position switches with 3 NO+1NC contacts for each position in SERVICE and TEST. 

OUTGOING: Supply and fix 4 Nos (four) outgoing, 11 KV, 800 Amps, HT vacuum circuit breaker indoor panel having IP 4X degree protection, shall be constructed from Aluminium Zinc coated sheet steel of 2mm thickness,for outgoing conforming to IEC 62271-200, 25 KA for 1 Sec, LSC2B-PM class front accessed comprising of Indoor Vacuum Circuit Breaker all as specified and directed  . Enclosed panel shall consisits of following :-  (a)  800A continuous rated electrolytic copper bus bar, droppers and bus bars should be insulated with full system voltage sleeves  (b)  VCB shall be of horizontally draw out type. Panel shall have single Latch door closing & optional rear door interlock. VCB shall have provision of spring Charging Handle and VCB have RoF type & Rack in & Rack out motorized mechanism.  Vacuum circuit breaker should have vacuum bottles of the same manufacturer as of circuit breaker. The Vacuum Bottle should be type tested for 100 full short circuit operations. (c)  Motorized spring charging mechanism with integral spring charging handle for manual spring charge. (d)  Panel speration with every departmenr like VCB, Metering , Cable Chamber & Bus Bar Chamber (e)  Cast resin Current Transformer 11KV, 50-25/1+1A, core 1: class 0.5, 10 VA, Core 2: 5P10, 10 VA with metering and protection core including necessary control wiring & Potential Transformer wiring from incomer panel for metering & protection backed by HT & LT MCB's.  (f)  Accessories like local remote switch, breaker control switch (T-N-C), space heater with thermostat, DC & AC control circuit through MCB, indicating lamps for RYB, spring charge, DC supply healthy, breaker ON/OFF, breaker in SERVICE/TEST. (g)  Multifunction meter with RS 485 port ( EM6400 NG) (h) Digital Ammeter and Digital Volt meter  (j)  Separate master trip Relay .