In chassis-mount cases, CM100 Series switching power supplies deliver a 100W output from a universal input voltage range of 88 to 264 Vac. Output voltages are 12, 24, and 48 Vdc with efficiencies up to 84%. Protection features include short circuit, over voltage, and overload. The metal cage type chassis-mount case relies on free air convection cooling. Pricing is $22.50/each. CONTECH, Concord, CA. (877) 302-4411.