ABB M4M 20-M MODBUS network analyzer with MID approval, Bluetooth, Modbus RTU communication, dual digital outputs and 48–240 V AC/DC auxiliary supply for industrial energy monitoring.
Why Choose the ABB M4M 20-M MODBUS Network Analyzer?
The ABB 2CSG239055R4051 M4M 20-M MODBUS is a high-performance three-phase network analyzer designed for accurate energy monitoring, power quality analysis and electrical system management. Featuring MID approval, integrated Bluetooth connectivity and Modbus RTU communication, it enables reliable energy measurement and seamless integration into building management systems (BMS), SCADA platforms and industrial automation networks.
Part of ABB's advanced M4M panel meter range, the analyzer delivers comprehensive monitoring of electrical parameters including voltage, current, power, energy, frequency, harmonics and power quality. The intuitive colour graphic display and smart commissioning via Bluetooth simplify installation, configuration and diagnostics while reducing commissioning time.
With support for three-phase 230/400 V and 400/690 V systems, auxiliary power from 48–240 V AC/DC, two digital outputs and MID-certified energy metering, the M4M 20-M MODBUS is ideal for commercial buildings, industrial facilities, data centres and energy management applications.
Key Advantages
Accurate MID-approved network analyzer for energy monitoring.
Integrated Bluetooth for smart commissioning and diagnostics.
Modbus RTU communication for seamless automation integration.
Measures voltage, current, power, energy and power quality.
Two integrated digital outputs.
Ideal for industrial, commercial and energy management systems.
Key Features
ABB M4M 20-M MODBUS network analyzer.
MID approved for certified energy measurement.
Integrated Bluetooth connectivity.
Modbus RTU communication interface.
Two programmable digital outputs.
Colour graphic display for advanced visualisation.
Measures active, reactive and apparent power.
Supports harmonic analysis and power quality monitoring.
Advanced Energy Monitoring and Power Quality Analysis
The ABB M4M 20-M MODBUS continuously measures key electrical parameters including voltage, current, frequency, active and reactive power, energy consumption, harmonics and power factor. This enables operators to optimise energy efficiency, detect electrical anomalies and improve overall system reliability.
Its integrated Bluetooth interface simplifies commissioning through ABB's mobile tools, while Modbus RTU communication allows straightforward integration into energy management systems, PLCs and SCADA applications for real-time monitoring and reporting.
Typical Applications
Industrial power monitoring.
Commercial building energy management.
Electrical distribution panels.
Building Management Systems (BMS).
SCADA and industrial automation.
Data centres and critical power infrastructure.
Technical Specifications
Phase
Three Phase
IP Rating
IP54
Series
M4M
SKU
2CSG239055R4051
Product type
Network analyzer
Bluetooth
Yes
MID approved
Yes
Auxiliary supply
48–240 V AC/DC
Nominal system voltage
3 × 230 (400) V / 3 × 400 (690) V
Frequency
50 / 60 Hz
Digital outputs
2
Protection rating
IP54 (front)
Dimensions (H × W × D)
96 × 96 × 78 mm
HS Code
90303100
Country of Manufacture
Italy
Frequently Asked Questions
What is the ABB M4M 20-M MODBUS used for?
It is a network analyzer designed to monitor electrical parameters, energy consumption and power quality in three-phase electrical systems.
Does this analyzer support Modbus communication?
Yes, the unit features integrated Modbus RTU communication for connection to PLCs, SCADA systems and energy management platforms.
Is the M4M 20-M MODBUS MID approved?
Yes, it is MID approved, making it suitable for certified energy measurement applications.
Does it include Bluetooth connectivity?
Yes, integrated Bluetooth allows simplified commissioning, configuration and diagnostics using compatible ABB tools.
Where is this network analyzer typically installed?
It is commonly installed in industrial switchboards, commercial buildings, energy management systems and electrical distribution panels.
Trusted for Accurate Energy Management
ABB M4M network analyzers are trusted by electrical engineers, facility managers and industrial automation professionals worldwide for delivering accurate energy monitoring, reliable power quality analysis and seamless integration into modern electrical systems.
Phase
Three Phase
IP Rating
IP54
Series
M4M
SKU
2CSG239055R4051
Product type
Network analyzer
Bluetooth
Yes
MID approved
Yes
Auxiliary supply
48–240 V AC/DC
Nominal system voltage
3 × 230 (400) V / 3 × 400 (690) V
Frequency
50 / 60 Hz
Digital outputs
2
Protection rating
IP54 (front)
Dimensions (H × W × D)
96 × 96 × 78 mm
HS Code
90303100
Country of Manufacture
Italy
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...