The GPAD4860 System is suitable for powering supply to small scale program controller exchange, access network, transmission equipment, mobile communication, satellite communication ground station, microwave communication and other equipment. Features: 19 , 3U LCD interface, Remote and local control & monitoring module Perfect battery management EMC standard: EN55022A Environment: Operation temperature: -2055 Storage temperature: -4080 Relative humidity: 10% 90% Atmospheric pressure:70-106KPa Cooling: by fan Specifications: Input: Input voltage: 85Vac~300Vac Power Factor: 0.98 Output: Output voltage range: -54.3Vdc (-48VVdc-56.5Vdc) DC output current:: 60A Regulation of System: 1 Efficiency: 90% 6 branch output Ripple & Noise: 200mV Efficiency: 90% Protection Input under-voltage protection Input over-voltage protection Output over-voltage protection Output limiting-current protection short-circuit protection Over-temperature protection 19',3U Dimensions: 482.6 132.5 312mm(W D H)