Sola/Hevi-Duty SDP124100T SolaHD SDP DC Power Supply. SolaHD SDP DC Power Supply, Low Power, 85 to 264 VAC/90 to 375 VDC Input, 24 to 28 VDC Output, 30 W, 2.1 A, 47 to 63 Hz, DIN Rail Mount, Plastic Case, 3.8 in Width, 0.9 in Depth, 2.95 in Height. Additional Description: SOLA-SDP124100T 30W 24V DIN PLASTIC 115/230VIN SUPPLY. Catalog Description: SDP Series Low Power DIN Rail Power Supplies, Input Voltage: 85-264 Vac, 90-375 Vdc, Output Voltage: 24-28 Vdc , Frequency: 47-63 Hz, Output Current Rating 2.1A.