Basic Info.

Product Description

Introduction dum series cabinet power supply system is designed to meet higher capacity and versatile technical requirement. dum-48/50h could be used in a wide variety of 48vdc applications across the globe. the system could house up to 12 nos. dzy (30h & 50h) series rectifiers. with a compact power and distribution design, the system provides a maximum flexibility with a variety of possibilities. applications wireless, wire-line communication broadband and network access satellite communication ground station 3g center base station data center main features wide ac input voltage range, 90v~300v. high reliability with autonomous current-sharing technique. high power density, lower electromagnet interference and high efficiency. hot-plug and smart fan cooling rectifier modules. modular and block designed structure realizes small size, light weight and easy to use functions. intelligent battery management including temperature compensation, efficient alarm and protection measures. technical specifications ac input voltage: 1/2/3p+n+pe, nominal 220/230/380/400/415vac frequency: 45 ~ 65hz; power factor: = 0.99 efficiency: = 92% rated, 95% in maximum dc output voltage:-48v (nominal); outputvoltage range: -42v ~ -57.6v; output current: 600aultimate capacity peak-peak noise: = 200mv; psophometric noise: = 2.0mv audible noise: = 55dbdc rectifier: dzy-48/50h controller model: dkd31; communications: rs232 local operation: menu driven software via keypads and lcd or pc remote operation: modem/on-board web server/snmp alarms relays: 8 relays digital inputs: 9 options (for external equipment and battery) operating temp.: -5 to +55° c storage temp.: -40 to +70° c relative humidity: < 95%, no condensing atmospheric pressure: 70kpa~106kpa