Technical Specification Chart Parameter 1 - Phase 2 - Phase 3 - Phase Unbalanced Air Cooled 3 - Phase Balanced Oil Cooled 3 - Phase Unbalanced Oil Cooled Energy Conserved Lighting Load Centralized Stabilizer for offices & residence Rating (KVA) 1 - 20 0.5 - 20 3 - 100 3 - 200 3 - 250 3 - 500 3 - 500 I/P Voltage range (V) 170 - 270 195 - 265 340 - 480 240 - 480 340 - 480 360 - 460 310 - 480 340 - 460 360 - 460 340 - 480 360 - 460 310 - 480 340 - 480 360 - 460 310 - 480 340 - 480 360 - 460 O/P Voltage(normal) 230 V 415 V 415 V 415 V 415 V 208 V LN 220 V / 230 V LN Alternate O/P setting 220 V / 240 V 380 V / 400 LL 220 V LN 220 V / 230 V LN O/P V regulation ¦ 1% of nominal output voltage O/P V Indications Digital voltmeter, accuracy 1% of FS ¦ 1 digit LED Indications Front panel LED Indicators, Input ON, output ON, Input high / Low, output High / Low trip Under over voltage trip Electronic cutoff circuit with graded time delay set @ + 5% / -10% of nominal voltage Over Load cut off Electronic cutoff circuit with graded time delay set @ 110% of rated full load current Short circuit protection HRC fuse / MCB at input Single phasing prevention Not applicable Provide Individual phase cut off only Service bypass Not provided Provide upto 100 Kva. 3 phase Individual phase bypass provided upto 50 kVA 3-ph Resetting mode Automatic restart with time delay mode of 15 sec. (optional)