Product Description

Introduction DUMB-48/50H wall-mounted power system is compact and intelligent power system containing up to 6 nos. DZY (50H) series rectifiers, controller, LVD, AC&DC distribution units, with special protection measures ensure the system operating in weak power grid environment well, to satisfy limited room applications. Applications Fiber optic network Access network Transmission equipment Mobile communication Satellite communication ground station 2G, 3G base station Main Features System total capacity up to 16.2KW output. Suitable for outdoor application with various protection measures. Wide AC input range 90V to 300V. PFC technique features high efficiency, energy-saving and up to 0.99 power factor. Intelligent fan-cooling technique enables good cooling performance, low failure rate and high reliability. Fast on-line expansion of rectifier modules enabled by hot-swap. N+1 rectifier module redundancy. Batteries monitoring and management enables backup batteries well maintained. RS232 communication interface. Technical Specifications AC Input Voltage: 1 phase three wire 90 ~ 300VAC; Frequency: 45 ~ 55Hz; Power Factor: = 0.99 Efficiency: = 92% rated, DC Output Voltage: -48V (nominal); Output Voltage Range:-42V ~ -58V; Output Current: 300A maximum Peak-peak noise: = 200mV; Psophometric noise: = 2.0mV Audible noise: = 55dBDC Rectifier: DZY-48/50H Controller Model: DKD31;LCD display panel4 buttons Alarms Relays: 8 relays Operating temp.:-5 to +55° C Storage temp.:-40 to +70° C Relative humidity: < 90%, no condensing Atmospheric pressure: 70KPa~106KPa