• Charging module adopts intelligent high frequency switching power supply. This series of power supply is designed for power system and has the function of "four remote" intelligent power supply.
• The power supply adopts the world's leading "resonant voltage type double loop control resonant switching power supply technology", with small size, light weight, high efficiency (more than 95%), high reliability;
• Products include 220V, 110V, 48V three series, dozens of varieties, equipped with standard RS-485 interface, easy to connect with automation system;
• The charging process fully meets the requirements of the charging curve of lead-acid batteries and nickel-cadmium batteries, and the system realizes intelligent charging management of the batteries with temperature compensation function;
• The monitoring system is equipped with standard RS-232/485 interface, providing a variety of communication protocols, easy access to the automation system, providing open protocols, convenient networking, easy to achieve "four remote" and unattended.

• Altitude does not exceed 2000m. The ambient air temperature is not higher than +40℃, and the average temperature within 24 hours is not higher than +35℃, and the ambient air temperature is not lower than -5℃.
• Atmospheric conditions: The air is clean, the relative humidity does not exceed 50% when the temperature is +40 ° C, and the relative humidity is allowed to be higher when the temperature is low.
• No fire, explosion danger, serious pollution, chemical corrosion and violent vibration of the place, pollution level III, creepage distance ≥2.5cm/KV, and vertical tilt does not exceed 5°.
• The control center is suitable for the transport and storage process at the following temperature, -25℃~+55℃, and does not exceed +70℃ in a short time.

GZDW series high-frequency switching DC power supply panel is a complete set of DC power supply devices designed and produced by our company according to GB/T 19826-2005 and DL/T459-2002 standards combined with years of technical experience accumulation and production system management. It is an indispensable DC power supply system for current power distribution systems. It has been widely used in substations and switchstations of different voltage levels from 500KV to 10KV, power plants of 15MW to 60MW generator sets, national key projects, such as subways, oil fields, chemical industry, metallurgy, etc., as control, signal, accident lighting and other loads under normal and accident conditions of DC power supply, which can be unattended. It is the ideal replacement of traditional DC power supply equipment.