Procurement of 01 No. 11 KV, 2000 Amp. Vacuum Circuit Breaker of Make Schneider Electric Ex. Alstom as per enclosed specification for 3x20 MW BS-3 HPS MPPGCL Deolond

11 KV, 2000 Amp. Vacuum Circuit Breaker Type – VCB, Serial No. 825108/3/1 Enclosure Type - HWX Rated Continuous Current – 2000 Amp, Rated Frequency – 50 Hz Rated Breaking capacity a) Symmetrical S.C., MVA/KA rms – 500 MVA / 26.2 KA rms b) Asymmetrical S.C., KA rms – 33 KA rms Duration for Short Circuit – 1 sec Rated making capacity, KA peak – 66 KAp Insulation Level – 28 KV a) Impulse, withstand, KVP – 75 KVp b) One minute power frequency withstands, KV rms – 28 KV rms Rated short time current for 3 sec, KA rms – 26.3 KA rms Type of Arc control device – Vacuum Interrupter Operating Duty – O-0.3 sec-CO-3 min - CO Auxiliary Contacts – 6 NO + 6 NC Operating Mechanism – Motor Charged Closing Coil Voltage – 220 V DC Tripping Coil Voltage – 220 V DC For detailed technical specification please refer General Technical Particulars (Annexure -III) Make – Schneider Electric (Ex. Alstom)