Central Scientific Instruments Organisation Tender

SITC HT Switchgear in existing Sub-Station SITC of 630Amp./ 800 Amps., 11KV, SF6 insulated Vacuum Circuit Breaker, 3 Pole, horizontal draw out,supply with Short circuit fault level of 26.3KA for 3 sec, Internal Arc Withstand capacity of 20 KA for 1 sec , in powder coated CRCA sheet .The Breaker shall have mechanical ON & OFF indicators with hand trip device and spring charging, spring release coil, shunt trip coil auxiliary switch of 2 NO + 2NC. The HV switchgear and control gear should be conforming to IEC-62271-200/IS 13118, IEC-82271-200-2003 & 1EC-80694-1996 ammended up to date.

Design, supplying, installation, testing and commissioning of cubical type HV Adopter Panel Box of suitable size made out of 16 SWG CRCA sheet steel, totally enclosed IP-42 protection, dust and vermin proof, indoor type powder coated of approved shade after antirust treatment (with min seven tanks ), including interconnection with suitable size of copper Bus-Bar of 800Ampere, 11KV, TP, capacity is to be fixed with existing Copper Bus Bar with insulating support of 11KV, HT Supply feeder. The Bus-Bar adopter panel box should have provision to connect the armoured XLPE, HT Power cable of size 120Sq.mm, 3Core as required.

SITC Compact Sub-Station 800KVA Design, Supply, installation, testing and commissioning of 11 KV Outdoor Compact Sub-Station consisting of 11/ 0.433 KV, 3 Phase, 50Hz, Dyn 11 vector group, Copper wound 800 KVA Oil type transformer (BEE Star Rated-1) and HT Switchgear 11KV 630 Amps., short-time current rating of 26.3KA for 3 seconds for 11kV supply , SF6 insulated VCB, non extensible, Ring main Unit, Low voltage switchgears factory built ready for connection type with internal G.I earthing complete in all aspects. The CSS shall be fully internal arc tested for 20 KA/Sec., AC-A&B as per 1EC62271 -202 ammended up to date. Note:- The CSS should be of Siemens/Schneider/ABB/L&T Or their Authorized manufacturer partner. The details of the components and accessories are given below:-