Input Volt: 415 V Output volt: 0-470V continuously variable, output current: 100 Amps Thermal rating: 100 Amps @270V continuous Sweep time: above 30 seconds Type of cooling: ONAN Operating temperature : 0-45 degree C. Insulation level: 2.5 kV rms for one minute. Voltage control: motorized with 10 KG Narula make AC synchronous motor (220V AC, 50 Hz, 60 rpm Transformer : Copper wound Cooling: oil Cooled with radiators. Mounting: with Caster wheels.