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

Overview

GZDW Series DC Power Cabinets are essential components for power plants and substations of all sizes, providing reliable DC power for high-voltage switching, relay protection, automatic control, and emergency lighting and signaling. These cabinets are suitable for various industries, including metallurgy, railways, mining, petrochemicals, communications, healthcare, banking, hospitality, high-rise buildings, and computer networks. Our microcomputer-controlled DC Power Cabinets facilitate unmanned operations and can be monitored remotely, making them ideal for modern power facilities. Manufactured in China, our products adhere to the JB/T57774-2000 standard, ensuring compliance with general technical conditions and safety requirements for DC power equipment in power systems. Partner with trusted suppliers and factories for high-quality and efficient DC power solutions.

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

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

The standard application conditions require an altitude of no more than 2000m, an ambient temperature between -5℃ and +40℃, and relative humidity not exceeding 90% (at 20±5℃). Special conditions can be customized upon negotiation.

What is the input power voltage requirement for the system?

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

What output DC voltage options are available?

The rated output DC voltages available are 24V, 48V, 110V, and 220V, with corresponding adjustable ranges for float charge, equalizing charging, and main charging.

What is the protection level and overall efficiency of this machine?

The machine features a protection level rated between IP20 and IP30, and it operates with an energy efficiency rating of greater than 90%.

What are the stable accuracy and noise levels of the equipment?

The equipment features a stable voltage accuracy of <±1%, a steady current accuracy of <±1%, a ripple coefficient of <1%, and operates quietly with a machine noise level of less than 55dB.

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