2CSG274761R4051 ABB M4M 30 MODBUS Network Analyzer

2CSG274761R4051 ABB M4M 30 MODBUS Network Analyzer

ABB M4M 30 MODBUS 2CSG274761R4051 is a three-phase panel-mounted network analyzer with Modbus RTU, Bluetooth, four programmable I/O, Class 0.5S energy accuracy and advanced power quality monitoring.

SKU: 2CSG274761R4051Alt SKU: M4M 30 MODBUSMPN: 2CSG274761R4051
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List Price £555.77 ex VAT
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Why Choose the ABB M4M 30 MODBUS Network Analyzer?

The ABB M4M 30 MODBUS, order code 2CSG274761R4051, is an advanced three-phase network analyzer designed for comprehensive electrical parameter monitoring, energy measurement and power quality analysis in commercial and industrial electrical systems. As part of the ABB M4M 30 network analyzer series, it combines Class 0.5S energy accuracy with advanced diagnostic functions for detailed analysis of electrical distribution networks.

The M4M 30 MODBUS provides Modbus RTU over RS485 and integrated Bluetooth Low Energy (BLE) communication, allowing integration with energy management and automation systems while supporting convenient smart commissioning. Its colour touchscreen display simplifies access to measured data and configuration, while four programmable I/O channels provide flexible interfacing with external equipment.

Designed for three-phase, four-wire electrical networks, the analyzer supports a voltage measurement range of 50–400 V AC and indirect current measurement using 1 A or 5 A current transformers. Advanced M4M 30 functionality includes neutral current measurement, individual harmonic analysis up to the 40th harmonic, waveform capture, phasor diagrams and 32 MB of onboard memory for event and measurement data.

Key Advantages

  • Advanced three-phase power and energy monitoring for industrial and commercial electrical systems.
  • Modbus RTU over RS485 for integration with automation, energy management and supervisory systems.
  • Integrated Bluetooth Low Energy (BLE) for smart commissioning and configuration.
  • Class 0.5S active energy accuracy for dependable energy measurement.
  • Advanced power quality analysis including THD and individual harmonics up to the 40th harmonic.
  • Waveform capture and phasor diagram functions support detailed electrical system analysis.
  • Four programmable I/O channels provide flexible interfacing with external equipment.
  • Direct neutral current measurement provides additional visibility in three-phase, four-wire systems.

Key Features

  • ABB M4M 30 network analyzer series.
  • Three-phase, four-wire network measurement.
  • 50–400 V AC voltage measurement range.
  • Indirect current measurement using 1 A or 5 A current transformers.
  • 48–240 V AC/DC auxiliary supply.
  • Modbus RTU communication via RS485.
  • Integrated Bluetooth Low Energy (BLE) communication.
  • Four programmable I/O channels.
  • Colour 3.5-inch LCD touchscreen.
  • True RMS electrical measurement.
  • Measurement of voltage, current, frequency, power factor, active, reactive and apparent power and energy.
  • Four-quadrant energy measurement for consumption and generation monitoring.
  • Voltage and current total harmonic distortion (THD) measurement.
  • Individual harmonic analysis up to the 40th harmonic.
  • Neutral current measurement.
  • Waveform capture and phasor diagram functionality.
  • 32 MB onboard memory for data and event recording.
  • Maximum, minimum and average demand monitoring.
  • IP54 front protection for panel-mounted installations.

Advanced Power Quality and Energy Monitoring

Network analyzers such as the ABB M4M 30 MODBUS provide detailed visibility of electrical consumption, load conditions and power quality within distribution systems. In addition to standard voltage, current, power and energy measurements, the M4M 30 provides advanced diagnostic functions including harmonic analysis, waveform capture, phasor diagrams and neutral current monitoring.

The M4M 30 series is designed for applications where detailed electrical data is required for energy efficiency, maintenance and power quality assessment. Modbus RTU communication enables measured information to be integrated into PLCs, building management systems and energy management platforms, while Bluetooth connectivity and the colour touchscreen simplify local commissioning, configuration and analysis.

Typical Applications

  • Industrial electrical distribution systems.
  • Low-voltage switchboards and control panels.
  • Commercial building energy monitoring.
  • Power quality monitoring and analysis.
  • Factory and production facility power monitoring.
  • Energy efficiency and consumption analysis.
  • Building management and automation systems.
  • Electrical load, demand and harmonic analysis.
  • Renewable generation and bidirectional energy monitoring.
  • Preventive maintenance and electrical system diagnostics.

Technical Specifications

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Measurement Connection Type CT connection
Measurement Functions Power
Device Type Power / energy analyser
Phase Three Phase
Coil / Supply Voltage 48–240 V AC/DC
Communication Modbus RTU
Display Touchscreen
Series M4M 30
Order code 2CSG274761R4051
EAN 8012542747611
Product group Panel Mount Meters
Product type Three-phase network analyzer / power quality analyzer
Network type Three-phase, four-wire
Voltage measurement range 50–400 V AC
Current measurement Indirect via 1 A or 5 A current transformer
Maximum current input 5 A
Frequency 50–60 Hz
Auxiliary supply 48–240 V AC/DC
Active energy accuracy ±0.5%
Accuracy class Class 0.5S
Measurement method True RMS
Communication Modbus RTU, Bluetooth Low Energy (BLE)
Wired interface RS485
Programmable I/O 4
Display Colour LCD touchscreen
Display size 3.5-inch
Measured parameters Voltage, current, frequency, power factor, active power, reactive power, apparent power and energy
Energy measurement Four-quadrant consumption and generation
Power quality measurements Voltage THD, current THD, individual harmonics and unbalance
Harmonic analysis Up to the 40th harmonic
Neutral current measurement Yes
Waveform capture Yes
Phasor diagram Yes
Onboard memory 32 MB
Protection rating IP54 from the front
Power consumption 10 W
Mounting type Front-panel mounting
Dimensions (W × H × D) 96 × 96 × 77 mm
Weight approx. 0.341 kg

Frequently Asked Questions

What is the ABB M4M 30 MODBUS used for?

The ABB M4M 30 MODBUS is used for detailed electrical parameter, energy and power quality monitoring in three-phase commercial and industrial distribution systems.

What communication protocols does the M4M 30 MODBUS support?

The analyzer supports Modbus RTU over RS485 and Bluetooth Low Energy (BLE), allowing integration with automation and energy management systems as well as convenient local commissioning.

What power quality functions does the M4M 30 MODBUS provide?

The M4M 30 MODBUS provides advanced functions including voltage and current THD, individual harmonic analysis up to the 40th harmonic, unbalance measurement, waveform capture and phasor diagrams.

What current transformers can be used with the M4M 30 MODBUS?

The analyzer supports indirect current measurement using current transformers with 1 A or 5 A secondary outputs.

What is the difference between the ABB M4M 20 and M4M 30 series?

The M4M 30 provides additional advanced monitoring functions including neutral current measurement, waveform capture, phasor diagrams and 32 MB onboard memory, making it suitable for applications requiring more detailed power quality and electrical system analysis.

Advanced Electrical Monitoring from ABB

ABB M4M 30 network analyzers combine accurate energy measurement with advanced power quality analysis, flexible communications and detailed diagnostic functions to provide comprehensive visibility of modern commercial and industrial electrical distribution systems.