480W 24V 20a ACDC enclosed switching power supply 24 Volts 20 Amps specifications size (L x W x H) (inches): 6.7 x 4.7 x 3.7 ripple and noise (mV p-p): 240 load regulation: 0.5 percent line regulation: 0.5 percent input: 85-264vac 47-63hz built-in active power factor correction function universal AC input 3-year warranty certifications*: ULculTUVCBPFC *this power supply is no longer CE certified. Detailed specifications: primary output voltage (VDC): 24 output current (a): 20 maximum output power (W): 480 family: sp-500 input voltage (VAC): 88 to 264 input frequency: 47 to 63 maximum input current (a): 30 output connector Type: screw terminal block number of outputs: 1 product Type: AC to DC power supply efficiency ( percent ): 70 minimum isolation voltage: 3000V operating temperature-min (CEL): 0 operating temperature-max (CEL): 50 Length (inch): 6.7 width (inch): 4.7 height (inch): 3.7 agency approvals: ULculTUVCBPFC color: silver Type: switching style: enclosed.