Switchgear arrester online monitoring device
IN-205K Online Monitoring Device for Switchgear LA

Device Introduction
IN-205K switchgear arrester online monitoring device is designed for real-time monitoring of the status of surge arresters in switchgear cabinets, using an integrated structure of sensors and acquisition units. The device focuses on the monitoring of key arrester parameters, especially leakage current and other important indicators that directly reflect the health of the arrester. It is able to capture the signals of minor status changes of the arrester during operation, ensuring comprehensive and accurate monitoring of the arrester's performance.
Functional Features
IN-205K can effectively detect whether the surge arrester is in normal working condition. The device is equipped with advanced leakage current sensor, which can be flexibly configured according to the actual engineering requirements to adapt to different application scenarios. In addition, the device can be used in conjunction with a centralized monitoring and display host and a back-end diagnostic and analysis system, so that users can obtain the arrester's operating data and use the data analysis tools to assess the health of the equipment and formulate a scientific and reasonable maintenance strategy. The system supports remote access function, so that the operation and maintenance personnel can understand the status of the equipment at any time in any location to improve management efficiency.
Equipment parameters
| Leakage current measurement range | 0.1mA~1000mA | Measurement accuracy | ±30uA |
| Discharge Counter Waveform | 8/20us | Installation | Flush Panel Mount |
| Hole Size | 111*111mm | Overall dimensions | 120*120*90mm |
| 6~10kV Recommended Alarm Value | 0.45mA (can be set independently) | 35kV Recommended Alarm Value | 0.60mA (can be set independently) |
| communications interface | RS-485 | communications protocol | Modbus-RTU |
| environmental adaptation | Ambient temperature: -40℃~+70℃; Ambient humidity: 0~95% (no condensation) | ||
| Operating power | AC/DC220V, ±10% | ||









