Acttec (Beijing) Technology Development Co., Ltd.| Manufacturer
Acttec (Beijing) Technology Development Co., Ltd.

China Manufacturer with main products: DC 24V/48V UPS, Battery Maintenance System

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Uninterrupted Power Supp-HZ4825BS

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HZ4825BS type single power supply system which is connected with a maximum capacity of 100AH batteries can be prepared by the composition of uninterrupted electrical power system.When the city power grid is blackout, power system allows seamless switching to backup power work. Internal power supply with battery management system,  charging and protecting of the battery intelligently. It is available that Interface 485 can communicates with the exterior, reporting the current active status and accepts the instruction

Main Technical Specifications

Input Voltage 
Single-phase 220Vac (187Vac ~ 242Vac, 48Hz ~ 52Hz,);
Out put
Charge current: 6±1A and 11±1A(Users can choose according to actual situation);
Uniform charge voltage: -56.4V( -54.5V~-56.5V external adjustable);
Rated voltage: -52.8V(-52.5V~-54.5V external adjustable);
Rated Current: 25A;
Efficiency of the unit: ≥90%;
Source Effect: ±0.1%;
Load Effect: ±0.5%;
Constant voltage precision: ±0.6%;
Peak--peak ripple <100mV (20M Oscilloscopes);
Operating Temperature: -5℃~45℃
Relative humidity: ≤93%(40℃)
Cooling way: Wind cooling;
Dimension: 482mm×220mm×88mm.

Protective Functions
 1)Input Over-voltage Protection: When AC input is less than 185Vac ± 5Vac, power will automatically turn off the output, powered by the battery (power supply automatically restore the output when electricity is between187Vac-242Vac)
2)Over-current Protection: When the output current exceeds27A ± 0.5A, the power will automatically limit it (automatic recovery when it’s above 25A )
3)Output short circuit protection (short circuit elimination, automatic recovery)
4)Output over-voltage protection: when DC output is greater than 59Vdc ± 1Vdc, the power will automatically shut down output, replaced by battery-powered (automatic recovery);
5)Over-temperature Protection: When the temperature of the internal heat sink exceeds 90℃, the Over-temperature protection takes effect and turn the power supply off.

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