Overview
The GZD(W) Series (Microcomputer-Controlled) DC Power Cabinet is suitable for small, medium, and large power plants and substations, providing DC power for high-voltage switch opening and closing, relay protection, automatic control, emergency lighting, and audio-visual signaling under both normal and fault conditions. It can also be applied in industries such as metallurgy, railways, mining, petrochemicals, postal and telecommunications, medical services, banking, hotels, high-rise buildings, and computer networks.
The microcomputer-controlled DC power cabinet is ideal for unattended operation and remote centralized monitoring in power plants, substations, and other industries requiring DC power.
This product complies with the JB/T 5777.4 “General Technical Conditions and Safety Requirements for DC Power Equipment in Power Systems” standard.
If you need detailed parameters, please check the pdf document above or contact us.
Operating Conditions
1.Altitude: no more than 2000m;
2.Ambient temperature: -5 ° C~ + 40 ° C;
3.Relative humidity: daily average not more than 95%, monthly average not more than 90%;
Note: Special conditions can be negotiated with the company.
Model and meaning
Technical Specification
| Item | Unit | Parameter |
| Input Supply Voltage | V.Hz | Three-phase AC 380 + 10%, 50Hz ± 5% |
| Output DC Voltage Rating | V | 24, 48, 110, 220 |
| Output DC Current Rating | A | 5, 8, 10, 15, 20, 30, 40, 50, 80, 100, 150, 200, 250, 300, 350, 400 |
| Battery Rated Capacity | Ah | 10, 20, 38, 40, 50, 60, 65, 80, 100, 150, 220, 250, 300, 400, 500, 600, 800, 1000 |
| Output DC Current Regulation Range | 0 – 100% of rated value | |
| Voltage Regulation Accuracy | < ± 05% | |
| Steady Flow Accuracy | < ± 05% | |
| Ripple Coefficient | < 0.1% | |
| Whole Machine Noise | db | < %55 |
| Main Transformer Temperature Rise | ℃ | < 70 |
| Work Way | continuous work | |
| Efficiency | > 90% | |
| Protection Class | IP 20 – IP 30 |
External Dimensions
