Why Choose the ABB M4M 20 ROGOWSKI Network Analyzer?
The ABB M4M 20 ROGOWSKI, order code 2CSG207081R4051, is a high-performance three-phase network analyzer designed for electrical parameter monitoring, energy measurement and basic power quality analysis in commercial and industrial electrical systems. As part of the advanced ABB M4M 20 network analyzer series, this version is specifically designed for use with ABB R4M Rogowski coils, providing a flexible current measurement solution for both new and retrofit installations.
The M4M 20 ROGOWSKI combines accurate electrical measurement with Modbus RTU and Bluetooth Low Energy (BLE) communication, allowing integration with energy management and automation systems while supporting convenient smart commissioning. Its colour LCD display provides clear visualisation of measured parameters, including voltage, current, frequency, power, energy, power factor, THD and harmonic information.
With a voltage measurement range of 50–400 V, a 48–240 V AC/DC auxiliary supply and Class 0.5S energy accuracy, the M4M 20 ROGOWSKI provides dependable monitoring for three-phase installations. Compatibility with flexible Rogowski coils makes it particularly useful for retrofit projects where conventional current transformers can be difficult to install without disrupting existing conductors.
Key Advantages
- Advanced three-phase network analyzer designed for Rogowski coil current measurement.
- Compatible with ABB R4M Rogowski coils for flexible new and retrofit installations.
- Modbus RTU and Bluetooth Low Energy (BLE) communication for system integration and commissioning.
- Class 0.5S accuracy for dependable energy measurement.
- Measures key electrical and power quality parameters including THD and individual harmonics.
- Two digital outputs support signalling and energy management applications.
Key Features
- ABB M4M 20 network analyzer series.
- Designed for ABB R4M Rogowski coil current sensors.
- Three-phase network measurement.
- 50–400 V AC voltage measurement range.
- 48–240 V AC/DC auxiliary supply.
- Modbus RTU communication via RS485.
- Integrated Bluetooth Low Energy (BLE) connectivity.
- Two digital outputs for external signalling functions.
- Colour 3.5-inch LCD display for clear parameter visualisation.
- True RMS measurement of electrical parameters.
- Measurement of voltage, current, frequency, power factor, active, reactive and apparent power.
- Power quality monitoring including voltage and current THD and individual harmonics.
- Compact 96 × 96 mm front-panel format.
Flexible Rogowski Coil Power Monitoring
Rogowski coils provide a flexible method of measuring alternating current without requiring a conventional split-core or solid-core current transformer around the conductor. Their flexible construction makes them particularly suitable for existing switchboards and installations where available space is limited or where fitting conventional current transformers would be difficult.
The ABB M4M 20 ROGOWSKI combines R4M Rogowski coil compatibility with energy and basic power quality monitoring, helping operators analyse electrical consumption and network performance. Modbus RTU communication enables measured data to be integrated into supervisory and energy management systems, while Bluetooth connectivity supports convenient local commissioning and configuration.
Typical Applications
- Retrofit energy monitoring installations.
- Industrial electrical distribution systems.
- Low-voltage switchboards and control panels.
- Commercial building energy monitoring.
- Factory and production facility power monitoring.
- Energy efficiency and consumption analysis.
- Building management and automation systems.
- Basic power quality and harmonic monitoring.
