Acrel ARCM300 Electrical Fire Monitoring Detector Installation and User Manual

About this manual

The Acrel ARCM300 is an electrical fire monitoring detector designed for TT, TN, and TNC systems below 0.4kV. It monitors residual current and wire temperature to prevent electrical fires, complying with GB14287.2-2014 and GB14287.3-2014 standards. The device features a microcontroller, RS485 communication, and sound/light alarms. This manual is written in Chinese.

What's inside

• Overview
• Technical Parameters
• Installation and Wiring
• Programming and Usage
• Function Application
• Communication Protocol
• Typical Applications

Frequently asked questions

What voltage range is required for the device's power supply?

The device operates on an AC/DC power supply ranging from 85 to 270V.

How many alarm and fault records can the detector store?

The unit is capable of storing up to 20 alarm records and 20 fault records.

What is the maximum number of detectors that can be connected on a single communication line?

Up to 32 detectors can theoretically be connected simultaneously on one line.