Introduction: PS48300-3B/1800 power system Emerson Network Power set many years of development and experience in running online, using DSP control technology, designed to meet the demand for 3G networks and high reliability, high power density, high-performance, all-digital communications power system. According to the AC power distribution and cabinet height 1.6m cabinet series PS48300-3B/1800-X1 PS48300-3B/1800-X2, PS48300-3B/1800-X3 three models, 2m cabinets can be divided into series PS48300-3B/1800 The three-Y1, PS48300-3B/1800-Y2, PS48300-3B/1800-Y3 models. AC power distribution: 1, Power supply: three-phase four-wire or three-phase five-wire; 2, input voltage: 80 ~ 300Vac phase voltage; 3, enter the open space: 63A/3P x 1-X1-X2 -Y1,-Y2-type; 63A/3P x 2, manual switch-X3,-Y3 type; 4, output open space: 16A/3P × 1,16 A/1P × 1-X2-X3,-Y2-Y3 type; Third, the DC power distribution: 1, Output Voltage: -42 to-58Vdc and; 2, the total load capacity: 300A; battery fuse: 250A x 2; 4, output branches: 100A × 5 load power fuse; 63A 1 load electricity, empty open; 63A × 2,32 A × 2,10 A × 2 battery protection, open space;, the system features: 1, passed CE, UL, NEBS, TLC a variety of domestic and foreign certification; 2, wide input voltage range (80 ~ 300Vac), power grids and adaptable; 3 rectifier module operating temperature range (-40 ° C to 70 ° C), the ability to adapt to the environment; rectifier module using digital DSP control technology, the power density up to 14W/In3 more; 5, injury-free hot-swappable and online maintenance, quick and easy; 6, AC side, DC side signal end full range of lightning protection design; 7, battery management function to improve the battery life; 8, rectifier module ID number recognition, easy user management of assets;, energy saving and environmental protection features: 1, energy-saving: the dormant energy saving patent technology, effectively reduce the overall operating costs; 2, land: small cabinet size, depth of only 400mm, Full Frontal maintenance; 3, environmental protection: meet EU RoHS standards and environmental directives EMC meet EN55022 a Class B;, rectifier module R48-1800A: 1, input voltage: 80 ~ 300Vac; input voltage frequency: 45 65Hz; 3, power factor ≥ 0.99; 4, the output voltage: -42 ~~. 58Vdc and; Output Current: 0 to 33A; the rated efficiency ≥ 91%; 7, the maximum output power: 1740W; seven monitoring unit M500S: 1, the monitoring unit of the system failure sound and light alarm at the same time can be reported to the backstage host; historical alarm records can be stored in the 200, and has the function of key operating record; 3, 8-way alarm dry contact; 4, the sound of the alarm, time controllable; 5 automatic float, smart management, charging current limiting load electricity, battery protection; discharge test, battery test records; 7, three charge way: timing, rapid, constant current; rectifier module switch machine, rectifier module current limiting regulator; battery pack charge / float / test conversion, load power, battery protection; 10, remote, remote control telemetry, remote adjustment; 11, to achieve the the module automatic sleep mode, in order to achieve energy saving; nine mechanical parameters: 1 the rectifier module Dimensions (W × D × H mm): 85.3 × 272 × 87.9;, module weight ≤ 2kg; 3, cabinet (-X1-X2-X3 type) Dimensions (W × D × H mm): 600 × 400 × 1600; cabinet weight ≤ 85kg (including rectifier module); 5 cabinet (- Y1,-Y2,-Y3-type) Dimensions (W × D × H mm): 600 × 400 × 2000;, mechanical weight to ≤ 95kg (including rectifier module);