ABB 2CSG204471R4051 M4M 20 Ethernet Network Analyzer

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• 1. Product Overview

  The ABB M4M 20 Ethernet Network Analyzer is an industrial-grade three-phase power monitoring and analysis device. It measures voltage, current, active and reactive power, power factor, and energy consumption. With Ethernet connectivity supporting Modbus TCP/IP, it can integrate with Energy Management Systems (EMS) or Building Automation Systems (BAS) for remote monitoring, data acquisition, and analysis. The analyzer features a compact design and panel-mount installation, suitable for industrial, commercial, and infrastructure power monitoring applications.

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  2. Technical Specifications

  • Model: 2CSG204471R4051

  • Device Name: M4M 20 Ethernet Network Analyzer

  • Measurement Type: Three-phase AC system

  • Rated Voltage: 50–400 V AC

  • Rated Current: 5 A (max 6 A)

  • Measurement Frequency: 50–60 Hz

  • Accuracy: Active energy ±0.5%

  • Digital Outputs: 2 outputs for alarms or control signals

  • Communication Interfaces: Ethernet (RJ45) with Modbus TCP/IP, Bluetooth

  • Auxiliary Supply: 48–240 V AC/DC

  • Display: Digital LCD

  • Mounting: Front panel, 96 × 96 mm

  • Protection Degree: IP54 (front panel)

  • Operating Temperature: -25 °C to +70 °C

  • Weight: approx. 0.32 kg

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  3. Key Advantages and Features

  • High Measurement Accuracy: ±0.5% precision ensures reliable energy data

  • Multi-Protocol Connectivity: Ethernet and Bluetooth support Modbus TCP/IP for remote monitoring and integration

  • Digital Outputs: Can be used for alarms, control, or integration into automation systems

  • Compact Design: Standard 96 × 96 mm panel mount saves space in control cabinets

  • Wide Voltage and Temperature Range: Suitable for various industrial auxiliary power sources and environments

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  4. Typical Applications

  • Industrial power distribution monitoring

  • Energy management and power quality analysis

  • Building automation and facility management

  • Energy consumption tracking and efficiency optimization

  • Integration with SCADA or EMS systems

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  5. Installation and Usage Notes

  • Installation and wiring must be performed by qualified electricians with power off and proper grounding

  • Verify input voltage, current, and auxiliary supply match device specifications

  • Avoid excessive humidity, dust, and extreme temperature conditions

  • Use compatible current transformers (CTs) to ensure measurement accuracy

  • Periodically inspect terminals and wiring for reliable long-term operation

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The structure and details of the product：

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