bids are invited for 1000 amps,3 poles, 415 v ac , with making capacity:105 ka peak, breaking capacity: icu=ics=icw=50ka for 1 sec., short time rating: 50 ka, insulation voltage-660 v and above. stored energy operation,edo, air circuit breaker having shunt trip coil 110v dc,closing coil 110v dc, spring charged motor 240v ac, in built anti pumping facility, micro processor based protection release along with supply of auxiliary power supply module and 4no + 4nc auxiliary contact switch, rack in and rack out handle, service/test/isolate indicator, spring charged/discharged indication. acb shall confirm to iec: 60947-2, is: 13947-2 retrofitting kit complete set suitable for replacement of existing acb english electric/ge make type m-pact acb. additional specification:- total quantity : 8