China GZDW DC Power Cabinet - Reliable Suppliers & Factory for Power Plants and Substations

Overview

The GZDW Series DC Power Cabinets, manufactured by leading China suppliers, are essential for power generation facilities, including large, medium, and small power plants and substations. These cabinets facilitate high-voltage switch operations, relay protection, and automatic control, providing reliable DC power for critical applications such as lighting, sound signals, and emergency systems. Additionally, they are suitable for various industries, including metallurgy, railways, mining, petrochemicals, telecommunications, healthcare, banking, hospitality, and high-rise buildings, as well as computer networks.

Our microcomputer-controlled DC power cabinets are designed for unmanned operation and can be monitored remotely, making them ideal for modern power plants and substations. Manufactured in compliance with JB/T57774-2000 standards, which detail the general technical conditions and safety requirements for DC power equipment in power systems, these products represent the commitment of our factory to quality and innovation in the electric power sector.

Product Detail

Model and Definitions

Application Conditions

Altitude: no more than 2000m.
Ambient temperature: -5℃~+40℃.
Relative Humidity: not more than 90%. (at 20±5℃)

Note: Special conditions can be negotiated with our company.

Technical Reference

Input Power Voltage: Three-phase AC 380V±10%, 50Hz±5% ;
Output DC voltage rating: 24v; 48v; 110v; 220v;
Output DC current rating: 5A, 8A, 10A, 15A, 20A, 30A, 40A, 50A, 80A, 100A, 150A, 200A, 250A .
Battery Rated Capacity: 10Ah, 20Ah, 38Ah, 40Ah, 50Ah, 60Ah, 65Ah, 80Ah, 100Ah, 150Ah, 200Ah, 250Ah, 300Ah, 400Ah.
Voltage adjustment range (see table below)
Output DC current adjustment range: 0~100% of rated value
Stable accuracy <±1%
Steady current accuracy <±1%
Ripple coefficient: <1%
Machine noise: <55dB
Main transformer temperature rise: 70℃
Working mode: continuous working
Efficiency >90%
Level of Protection: IP20~IP30

Output DC voltage rating	24V	48V	110V	220V
Float charge voltage adjustment range	21-28	43-57	99-130	198-260
Equalizing charging voltage adjustment range	27-31	54-62	125-140	198-286
Main charging voltage adjustment range	21-36	43-70	99-162	187-310

Product appearance and installation dimensions

Frequently Asked Questions (FAQ)

What are the standard ambient conditions required for operating this equipment?

The equipment is designed to operate at an altitude of no more than 2000 meters, within an ambient temperature range of -5℃ to +40℃, and a relative humidity of not more than 90% (at 20±5℃). Special conditions can be negotiated.

What are the input power voltage and frequency requirements?

The system requires a three-phase AC 380V ±10% input power voltage with a frequency of 50Hz ±5%.

What rated output DC voltages are available?

The rated output DC voltages available for this system are 24V, 48V, 110V, and 220V.

What is the level of protection and efficiency of this unit?

The machine features a protection level of IP20 to IP30 and operates at an efficiency of greater than 90%.

What is the operational noise level of the machine?

The operational noise level of the machine is kept low, measuring under 55 decibels (<55dB).

What is the working mode and stability accuracy of the system?

The system is designed for continuous working mode, offering a stable accuracy of <±1% and a steady current accuracy of <±1%.

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