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

Overview

The GZDW Series DC Power Cabinets are essential solutions for large, medium, and small power plants and substations. Designed for high-voltage switch operation, relay protection, automatic control, and emergency lighting, these cabinets provide reliable DC power for various applications, including metallurgy, railways, mining, petrochemicals, telecommunications, medical facilities, banks, hotels, high-rise buildings, and computer networks. As a leading China supplier, we ensure that our microcomputer-controlled DC power cabinets cater to unmanned and remote monitoring needs in power plants and substations. Our products meet JB/T57774-2000 standards, ensuring adherence to the General Technical Conditions and Safety Requirements for DC Power Equipment in Power Systems. Choose us as your trusted factory for advanced 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%, 50Hz5% ;
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 environmental requirements for installing this equipment?

The equipment requires 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 negotiated.

What is the input power voltage requirement?

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

What are the available output DC voltage ratings?

The rated output DC voltages are 24V, 48V, 110V, and 220V.

What is the operating efficiency and protection level of the machine?

The machine operates with an efficiency of over 90% (>90%) and has a protection rating level of IP20 to IP30.

What is the float charge voltage adjustment range for a 220V rating?

For a 220V output DC voltage rating, the float charge voltage adjustment range is 198-260V.

Does the machine support continuous working operation?

Yes, the working mode of the machine is designed for continuous working operation.

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