The Narrow Profile power supply series now is certified to UL Safety Standards UL 60950 (information technology equipment) and UL 508 (industrial control equipment) and also conforms to all of the legal requirements to achieve CE marking. The single-output switching-regulated ac/dc and dc/dc power supplies provide up to 288 W of output power and operate from a universal input of 90-265 Vac, 49-420 Hz, single phase, or 110-350 Vdc. The series consists of both forced-air and convection-cooled (fanless) models. The forced-air units are available with either one or two fans, depending on output power.