This modular 19"" rack mount AC/DC power supply can provide up-to 50 Amps continuous power, The output DC voltage is highly regulated at 27, 6 Volts (120 Volts AC input), An external battery can be connected for back-up and a section of the output current (up-to 8 amps) is diverted to charge the batteries when in state of discharge using the in-built battery back-up module, The battery supplies the DC load on loss of utility power, Features include N+1 redundancy, front panel analog Volt/Ampere meter display, remote monitoring and indication by 25-pin D-sub connector, fan failure warning and alarm indication, Ideal for critical power supply applications, telecommunication systems, mobile sound/audio displays, GPS receivers, security systems, CCTV systems, Provides N + 1 redundancy, Voltage/Ampere meter, Module status LEDs, fault indicator LEDs and fault alarm are standard features on all models, Highly regulated output voltage, Short circuit protection and overload current, Input: 120 VAC, Output: 27, 6VDC, Amps: 50 Amps, Dimensions: 19"" x 16, 25"" x 3, 5"", Applications:, Any critical power supply application, Telecommunications systems, Mobile sound/audio displays, GPS receivers, Security systems, CCTV systems, SKU: APS1063