supply of single phase power controllersingle phase power controller,single phase power controller as per the following specification: 1) nominal current: 200 amps 2) nominal voltage: 480vac ( max range 90-530vac) 3) field bus: absent 4) fusible: self contain ed (for current sizes>=150a) 5) diagnostic/alarm option: alarm breach partial or total of load (hb) 6) control options: current limit 7) non repetitive voltage: 1200vpk (models 480vac) 8) digital inputs: r ange 5-30v max 7ma, pwm input control: max 100hz (configurable features) 9) voltage line range: 90 v nominal, frequency:50-60hz, accracy:2%f.s 10) current load range: 0...2a nominal, accracy:3%f.s, sampling 0,2msec 11) gtf 200(scr): nominal current 200 arms @40deg c in continous service, non r epetitive over current t=10ms:8000a, 12t for blowout:320000a2s, dv/dt:1000v/micros 12) power sup ply:24vdc/vac +-25%, input @25vdcmax:45ma, power:max 11va, maximum voltage insulation from c ontrol signals:300v 13) working temperature: 0-50degc 14) the unit shall be suitable for panel mount ing similar to model no.gtf 200-480-1-1-1-0 of gefran make 15) specific requirement: 1)warran ty: 18 months from the date of supply and 12 months from the date of commissioning whichever is ea rlier 2) the unit shall be supplied along with software, communication cable, detailed catalogue and maintenance manual. 3) only authorised dealers/manufacturers to quote. [ warranty period: 18 mo nths after the date of delivery ] ] => limited