Fanless ac-dc switching power supply delivers 400W

PROTEK PUB200/250/300/400 Series of ac-dc switching power supplies are capable of delivering 200-400 Watts of continuous power at convection cooling. Products are housed in a small 7.93” x 4.13” x 1.59” perforated metal case for cooling and provide a terminal strip connection for simplicity of installation. Features include universal input range of 90-264Vac with single output options, wide operating temperature of 0-70°C, line regulation ±0.5% maximum at full load, and operating efficiencies up to 94%. http://www.psui.com/product/pub200250300400