64.6W AC/DC enclosed switching power supply +5Volts 8Amps (channel 1) +12Volts 3.5Amps (channel 2) -12Volts 1Amp (channel 3) specifications: size (L x W x H) (inches): 5.1 x 3.9 x 1.5 ripple and noise (mV p-p): 80 load regulation: 1.0 percent line regulation: 0.5 percent input: 88-264vac 47-63hz 5G vibration able to withstand 300VAC surge input for 5 seconds short-circuit/overload/overvoltage protection 3-year warranty certifications: UL/cul/TUV/CE/CB for more 12 Volt power supplies. Detailed specifications: primary output voltage (VDC): 5 output current (a): 5 maximum output power (W): 64.6 family: rt-65 additional output voltages (VDC): 12 | -12 input voltage (VAC): 88 to 264 input frequency: 47 to 63 maximum input current (a): 2 output connector Type: screw terminal block number of outputs: 3 product Type: AC to DC power supply efficiency ( percent ): 77 minimum isolation voltage: 3000V operating temperature-min (CEL): -25 operating temperature-max (CEL): 70 Length (inch): 5.1 width (inch): 3.9 height (inch): 1.5 agency approvals: UL/cul/TUV/CE/CB Type: auto switching style: multiple output.