Telecomm Switchers Come In Small Cases

Designed for use in power telecommunications equipment such as employed in central offices or user premises, these 60W to 100W single output switched-mode power supplies have dimensions of only 5.170" high x 1.1" wide x 5.668" deep. The supplies deliver 60W at 24 or 28 vdc or 100W at 48 vdc to system buses. Input voltage is 90 to 134 vac, 47 to 63 Hz, single-phase. Minimum efficiency is 82%, and short-circuit foldback and brown out protection are included. Cases are made of anodized aluminum for standard telecommunications card racks.