CUI Inc VOF-80B Switching Power Supplies are internal AC-DC power supplies designed to meet IEC/EN 60335-1 and EN 55032. These power supplies have high efficiency of up to 91% and are certified to EN/BS EN/UL 62368-1. The VOF-80B switching power supplies feature chassis mounting style and regulated load regulation. These power supplies feature continuous short-circuit protection, a 5,000m operating altitude, and a 2-inch x 3-inch open frame compact size. The VOF-80B switching power supplies operate at -30°C to 80°C temperature range and 90VAC to 264VAC universal input voltage range.