Supply voltage: 400 V Frequency: 50 Hz Rated power: 30 kVA Apparent power: 35 kVA Secondary voltage: 5.5 V Rated secondary current: 10 kA Short-circuit current: 19.5 kA Electrode force: 470 daN Cooling water flow: 2.5 l/min Water pressure: 2.5 bar Compressed-air pressure: 5 bar