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China GZDW DC Power Cabinet - Reliable Solutions from Leading Suppliers and Factory for Power Plants and Substations
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)
Q1: What are the standard application conditions for this device?
A: The standard conditions require an altitude of no more than 2000m, an ambient temperature range of -5℃ to +40℃, and relative humidity not exceeding 90% (at 20±5℃). Special conditions can be customized and negotiated.
Q2: What is the input power voltage and frequency range?
A: The system requires a three-phase AC 380V±10% input power voltage with a frequency of 50Hz±5%.
Q3: What are the available output DC voltage and current ratings?
A: The rated output DC voltages are 24V, 48V, 110V, and 220V. The rated output DC current options range from 5A up to 250A to suit different capacity requirements.
Q4: Can the output DC current be adjusted?
A: Yes, the output DC current is fully adjustable from 0% to 100% of its rated value.
Q5: What is the protection level and efficiency of this machine?
A: The machine operates at a high efficiency of over 90% and offers an IP20 to IP30 level of protection.
Q6: What are the noise levels and temperature rise limits?
A: The machine operates quietly with noise levels under 55dB, and the temperature rise of the main transformer is limited to 70℃ during continuous operation.