PULS QS40.241 Power Supply Brand: PULS. Part Number: QS40.241. Puls Power Supply, 100 to 240 VAC Input, 24 to 28 VDC Output, 960 W, 34.3 to 40 A, DIN Rail Mount, 125 mm Width, 127 mm Depth, 124 mm Height. Additional Description: PULS-QS40.241 Pwr Supply, 1PH, 24-28VDC, 960W. Catalog Description: Power Supply, 960W, 120-240VAC 1PH, 24-28VDC, 40-34.3A..