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Supplier Homepage Electrical & Electronics Power Supply & Distribution Switching Power Supply China 48V 350A Telecom Power Supply System with Controller

China 48V 350A Telecom Power Supply System with Controller

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Local Area: Shenzhen, Guangdong, China
R&D Capacity: OEM, ODM, Other
Payment Terms: LC, T/T, PayPal
Brand: Gold Power
Output Type: Single
Warranty: 2 Years
Output Power: 18725W

48V/350A Telecom Power Supply System with Controller (N+1 redundancy)





Wide operating range of AC input voltage: 90~290VacOperating temperature range: -25ºC~+55ºCZero current/voltage switching tech with high efficiency ≥91%Perfect battery management, battery temperature compensation, battery capacity test ,LVLD and LVBD protection, anti-reverse connective protectionHot-swappableInput over/under voltage protectionOutput over voltage protectionOutput over current protectionOutput short circuit protectionAuto current sharing, parallel operation



The GPE48350E system consists of distribution unit, rectifier module (up to 7 sets) and monitoring module. The configuration is optional, as following table:

ConfigurationRectifier ModuleMonitoring ModuleDistributionRemarkStandardGPR4850D
or
GPR4850E

7pcs (max.) GPM48P (With Ethernet Port)AC distribution: 3-phase, 4-wire input, 3-pole AC breaker @ general line (63A);
DC distribution: Battery fuse 125A/2P;
LVLD: 63Ax4 32Ax3 16Ax4
(MCB capacity could change)
LVBD: 16Ax6
(MCB capacity could change)For details, please refer to the specifications of modules.

InputParametersMin.Typ.Max.UnitRemarkInput voltage range90220285Vac Input frequency455065Hz Input current 40A Power factor0.98 Input over voltage protection300 VacAuto-recoveryInput over voltage recovery280 Vachysteresis width ≥5VInput low voltage protection 85VacAuto-recoveryInput low voltage recovery 90Vachysteresis width ≥5VInput over current protection MCB at input side as protection

OutputParametersMin.Typ.Max.UnitRemarkOutput voltage range42 53.558Vdc Output current range0350A176~285VAC0 75A90~175VACOutput power018725 W176~285VAC
total power=load power + battery power09350 W90~175VACRipple (Vp-p) 200mvRated input/output, apply 0.1uF film capacitor and 10uF high frequency electrolyte capacitor, oscilloscope band width of 20MHz.Output efficiency9192 %220Vac input83 %110Vac inputOutput over voltage protection58.5 60.5VdcLock upOutput current limit protection AvailableOutput short-circuit protection Long time short-circuit no damage, auto-recoveryOver temperature protection Auto-recovery when ambient temperature <65ºCLVD 2 LVD available, 1 for critical loads, 1 for battery bankBattery anti-pole protection Battery and power supply no damageVoltage regulation ±1% Basic output features (form 2)ParametersMin.Typ.Max.UnitRemarkTemperature coefficient ±0.2‰/ºC Current share unbalance range ±5%@50~100% loadSystem on-off Inrush voltage ±5%When plug out any rectifier module(load current should be higher than total rectifier output current), system voltage fluctuationdynamic response 200uS25%~50%~25% load change
50%~75%~50% load changedynamic response adjustment ±5%Rated output voltage, rated load currentStart power rise time3 8STime between system power on to rectifier output voltage rise to rated valueInner voltage reduce 500mV


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