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2CMA170546R1000 ABB A44 553-100 Three-Phase CT Connected M-Bus Energy Meter
ABB A44 553-100 is a Platinum three-phase transformer-connected DIN rail energy meter with Class C accuracy, M-Bus communication, four configurable I/O channels, four tariffs, advanced load profiles and harmonic and THD monitoring.
£512.29
Why Choose the ABB A44 553-100 Three-Phase Energy Meter?
The ABB A44 553-100 is an advanced transformer-connected three-phase electricity meter designed for high-accuracy energy measurement and detailed power-quality monitoring in commercial and industrial electrical systems. As part of the ABB A44 DIN rail mounted meter range, this Platinum-level meter combines active and reactive energy measurement with M-Bus communications, advanced load profiling and harmonic analysis.
The A44 553-100 measures active and reactive energy in both import and export directions and supports four tariffs. It also monitors a comprehensive range of electrical instrument values including active, reactive and apparent power, currents, line-to-line and line-to-neutral voltages, frequency, power factor and cos phi, providing detailed information for energy-management and electrical-monitoring systems.
Designed for indirect CT/VT-connected metering, the meter supports a 1 A rated current with a maximum current of 6 A and a rated voltage range of 3 × 57.7/100–288/500 V AC. Integrated M-Bus and infrared communications, four individually configurable I/O channels, demand monitoring, advanced load profiles and harmonic measurement make it particularly suitable for sophisticated energy-management applications.
Key Advantages
- Advanced three-phase transformer-connected energy meter for commercial and industrial installations.
- Platinum functionality level with comprehensive energy and power-quality monitoring.
- Measures active and reactive energy in both import and export directions.
- Class C / Class 0.5 S active-energy accuracy for high-accuracy metering.
- Integrated M-Bus communication for connection to compatible energy-management systems.
- Four configurable I/O channels provide flexible pulse, alarm, tariff and external pulse-counting functions.
- Advanced load profiles, maximum and minimum demand monitoring, harmonics and THD measurement.
Key Features
- ABB A44 three-phase energy meter series.
- Platinum functionality level.
- Transformer-connected CT/VT metering for three- and four-wire networks.
- 1 A rated current and 6 A maximum current.
- 3 × 57.7/100–288/500 V AC rated voltage.
- Class C / Class 0.5 S active-energy accuracy.
- Class 2 reactive-energy accuracy.
- Active and reactive energy measurement for import and export.
- Four energy tariffs with flexible tariff control.
- Integrated M-Bus and infrared communication interfaces.
- Four individually configurable I/O channels.
- Previous-value storage plus maximum and minimum demand monitoring.
- Advanced load profiles for detailed consumption analysis.
- Harmonic measurement and Total Harmonic Distortion (THD) monitoring.
- Backlit digital display with up to seven counter positions.
- Compact 7 DIN-module mounting format.
Advanced Energy and Power-Quality Monitoring
Transformer-connected electricity meters such as the ABB A44 553-100 enable accurate measurement in higher-current electrical installations by using external current and voltage transformers. Configurable transformer ratios allow the meter to represent primary-system electrical quantities accurately while retaining a compact DIN rail format suitable for switchboards and control panels.
The Platinum-level A44 553-100 extends conventional energy metering with advanced load profiles, demand recording and power-quality analysis. Harmonic measurement up to the 16th harmonic and THD calculation help users evaluate waveform distortion, while M-Bus connectivity allows measurement data to be incorporated into compatible building-management, energy-management and remote-meter-reading systems.
Typical Applications
- Industrial three-phase energy monitoring.
- Commercial building electrical distribution systems.
- CT/VT-connected switchboards and distribution panels.
- Building-management and energy-management systems.
- Multi-tariff electricity monitoring.
- Power-quality, harmonic and THD monitoring.
- Demand monitoring and advanced load profiling.
- Remote meter-reading systems using M-Bus communication.
Technical Specifications
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| Measurement Connection Type | CT connection | |
|---|---|---|
| Current Input Rating (A) | 1 A | |
| Device Type | Energy meter | |
| Series | A44 | |
| ABB order code | 2CMA170546R1000 | |
| EAN | 7392696705462 | |
| Product type | Three-phase transformer-connected electricity meter | |
| Functionality level | Platinum | |
| Meter connection | CT/VT transformer connected | |
| Network | Three-phase, 3-wire / 4-wire | |
| Rated current | 1 A | |
| Maximum current | 6 A | |
| Rated voltage | 3 × 57.7/100–288/500 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Active energy accuracy | Class C / Class 0.5 S | |
| Reactive energy accuracy | Class 2 | |
| Energy measurement | Active and reactive, import and export | |
| Tariffs | 4 | |
| Communication | M-Bus and infrared | |
| I/O | 4 individually configurable channels | |
| Demand measurement | Maximum and minimum demand | |
| Load profiling | Advanced load profiles | |
| Power-quality measurement | Harmonics and THD | |
| Harmonic measurement | Up to 16th harmonic | |
| Display | Backlit digital display | |
| Counter positions | Up to 7 digits | |
| Protection rating | IP20 | |
| Operating temperature | -40 to +70 °C | |
| Mounting type | DIN rail | |
| Mounting width | 7 DIN modules | |
| Metering approval | MID and IEC | |
| Weight | approx. 0.35 kg |
Frequently Asked Questions
What is the ABB A44 553-100 used for?
The ABB A44 553-100 is used for high-accuracy three-phase transformer-connected electricity metering, energy management, demand monitoring, load profiling and power-quality analysis in commercial and industrial electrical systems.
What current rating does the A44 553-100 support?
The meter has a 1 A rated current and a maximum current of 6 A and is designed for indirect measurement through external current transformers.
What communication interface does the ABB A44 553-100 use?
The A44 553-100 includes an integrated M-Bus communication interface for remote meter reading and energy-management integration, together with an infrared communication interface.
Can the A44 553-100 measure harmonics and THD?
Yes. The Platinum-level meter measures currents and voltages up to the 16th harmonic and calculates Total Harmonic Distortion (THD), providing useful information for electrical power-quality analysis.
What advanced energy-management functions are included?
The A44 553-100 supports four tariffs, previous-value storage, maximum and minimum demand, advanced load profiles and four configurable I/O channels in addition to active and reactive import/export energy measurement.
Trusted ABB Energy Metering Technology
ABB A44 Platinum electricity meters combine high-accuracy transformer-connected energy measurement with advanced load profiling, demand monitoring, M-Bus communication and harmonic analysis for comprehensive commercial and industrial energy-management applications.
