SL Power SLB300 300W Medical / Industrial Power Supplies are single-output devices with a 300W (with 100LFM air) and 200W (convection cooled) output power. The SLB300 series features a universal 80VAC to 264VAC input in a 3″ x 5″ x 1.4″ package that fits 1U applications. SL Power SLB300 300W Medical / Industrial Power Supplies provide overtemperature, overload, short-circuit, and overvoltage protection in a -10°C to +70°C temperature range and require no minimum load.