Switched-Mode Power Supply AC input voltage: 340...576 VAC DC input voltage: 450...820 VDC Dimensions W x H x D: 150 x 124 x 121 mm Input frequency: 47...63 Hz Operating temperature: 0...+70 °C Output current 1: 20 A Output voltage 1: 24...28 VDC Derating: from +60 °C Input voltage: 340...576 VAC Input voltage, nominal: 400 VAC Output voltage 1, nominal: 24 VDC Outputs: 1 Phases: 3 Efficiency: 92 % Power: 480 W