Rendering Protection relays and circuit-breaker trip coils need a reliable DC supply that does not depend on the AC network. The GZDW combines a rectifier, battery bank and monitoring controller in one cabinet, with automatic float/boost charge control, insulation monitoring and alarm contacts wired to the station SCADA.
| Model / Series | GZDW series |
|---|---|
| Rated Capacity | 24 – 220 V DC, 10 – 400 A |
| Voltage Level | AC input 380 V / 220 V |
| Phase | Three-phase / single-phase input |
| Cooling Method | Natural air / fan |
| Executive Standard | IEC 61439-1 / IEC 60146 |
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