2CSG251151R4051 ABB M4M 20 Network Analyzer

Why Choose the ABB M4M 20 Network Analyzer?

The ABB M4M 20, order code 2CSG251151R4051, is a compact and highly capable three-phase network analyzer designed for accurate electrical parameter monitoring, energy measurement and basic power quality analysis in commercial and industrial electrical systems. As part of the ABB M4M 20 network analyzer series, it provides comprehensive metering functionality for electrical distribution panels, switchboards and energy management applications.

The M4M 20 combines accurate electrical measurement with integrated Bluetooth Low Energy (BLE) connectivity for smart commissioning and configuration. A graphic colour display provides clear visualisation of measured parameters, while two digital outputs support signalling and pulse output applications. This standard M4M 20 model is particularly suitable where local measurement and Bluetooth connectivity are required without an additional wired communication protocol.

Designed for three-phase electrical systems, the analyzer provides a 50–400 V voltage measurement range, supports transformer-connected current measurement with a 5 A rated current input, and operates from a wide-range 48–240 V AC/DC auxiliary supply. With active energy accuracy of ±0.5%, the M4M 20 provides dependable monitoring for industrial power distribution and energy efficiency applications.

Key Advantages

• Comprehensive three-phase electrical network monitoring for commercial and industrial installations.
• Integrated Bluetooth Low Energy (BLE) for smart commissioning and configuration.
• ±0.5% active energy accuracy for dependable energy monitoring.
• Transformer-connected current measurement suitable for electrical distribution systems.
• Graphic colour display provides clear visualisation of measured electrical parameters.
• Two digital outputs provide flexibility for signalling and pulse output applications.

Key Features

• ABB M4M 20 network analyzer series.
• Three-phase network measurement.
• 50–400 V voltage measurement range.
• 5 A rated current input for transformer-connected measurement.
• 48–240 V AC/DC auxiliary supply.
• Integrated Bluetooth Low Energy (BLE) communication.
• Two digital outputs for signalling and pulse output functions.
• Graphic 3.5-inch colour LCD display for clear parameter visualisation.
• Measurement of key electrical, energy and basic power quality parameters.
• IP54 front protection for panel-mounted installations.
• Compact 96 × 96 mm front-panel format.

Reliable Electrical and Energy Monitoring

Network analyzers such as the ABB M4M 20 provide continuous visibility of electrical parameters within power distribution systems, helping operators monitor energy consumption, understand electrical loads and identify conditions that may affect system efficiency or power quality. Accurate measurement also supports energy management initiatives by providing the information required to analyse consumption patterns and optimise electrical installations.

The M4M 20 is designed for panel-mounted monitoring in commercial and industrial installations. Its graphic colour display provides convenient local access to measured data, while integrated Bluetooth connectivity simplifies commissioning and configuration without requiring an additional wired communications network.

Typical Applications

• Industrial electrical distribution systems.
• Low-voltage switchboards and control panels.
• Commercial building energy monitoring.
• Energy management and efficiency systems.
• Factory and production facility power monitoring.
• Electrical load and consumption analysis.
• Building electrical distribution systems.
• Basic power quality monitoring.