12/24V Selectable PSU in large tampered enclosure with universal backplate - 500H x 400W x 80D (mm). Featuring a regulated highly stable output supplying a full rated current to load and a universal mains voltage input (90 to 264V AC). Selectable 12V or 24V High efficiency, cost effective range of Switch Mode power supplies featuring Mains Monitoring and an independent Ancillary Relay which can be used as a fire door release etc. Typically for use in Access Control but also suitable for CCTV and General Purpose applications. Modular construction provides for easy maintenance and upgrade capability. Boxed and Unboxed Models.