Power supply unit, rated output voltage: 24...28 V DC, rated output current: 5 A at 24 V DC; 4.29 A at 28 V DC, 120 watts, rated input voltage range: 100...240 V AC ±10%; 127...370 V DC, efficiency: > 89%, dimensions (W x H x D): 43 x 109.8 x 102.7 mm, top-hat rail mounting, Connection: Screw terminals, protection class: IP20