The ZHP300 monitoring protection device manual details specifications, installation, wiring, parameter settings and operation.
This manual introduces the ZHP300 monitoring protection device, a compact, high‑integration terminal for ring‑main cabinet systems. It describes the device’s protection functions, measurement capabilities, and communication options.
The document covers technical performance specifications, selection guidelines, mechanical installation, wiring, parameter configuration, and human‑machine interface operation, providing step‑by‑step instructions for setup and use. This manual is written in Chinese.
| Operating temperature | -20°C to 60°C |
|---|---|
| Storage temperature | -40°C to 85°C |
| Relative humidity | 5% to 95% |
| Atmospheric pressure | 70 kPa to 110 kPa |
| Rated AC voltage | 100 V or 220 V |
| Rated AC current | 1 A or 5 A |
| Frequency | 50 Hz / 60 Hz |
| Power consumption | ≤5 W |
| Voltage measurement range | 0.01Uₙ to 2Uₙ |
| Current measurement range | 0.1Iₙ to 20Iₙ |
| Zero‑sequence current range | 0.01 A to 10 A |
| Zero‑sequence current accuracy | < 0.005 A |
| Communication interface | RS‑485, MODBUS protocol |
| Switch‑input channels | 7 |
| Event record capacity | 100 records |
The device operates from –20 °C to 60 °C.
It can store up to 100 historical event records.
It uses RS‑485 with the MODBUS communication protocol.
The device provides seven switch‑input channels.