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2CMA170526R1000 ABB A43 313-100 Three-Phase Direct-Connected 80 A Energy Meter with M-Bus
ABB A43 313-100 is a Silver three-phase direct-connected 80 A DIN-rail energy meter with Class B active energy accuracy, active and reactive import/export measurement, four-tariff capability and M-Bus communication.
£344.57
Why Choose the ABB A43 313-100 Energy Meter?
The ABB A43 313-100 is an advanced three-phase direct-connected electricity meter designed for accurate energy monitoring in commercial, industrial and building-services installations. As part of the ABB A43 EQ meter series, this Silver-function meter combines direct measurement up to 80 A with active and reactive energy measurement, multi-tariff functionality and integrated M-Bus communication.
Designed for direct connection without external current transformers, the A43 313-100 can be used in 3-wire and 4-wire three-phase systems. It measures active and reactive energy in both import and export directions, with Class B (Class 1) active energy accuracy and Class 2 reactive energy accuracy. Separate energy registers and a resettable intermediate register support detailed analysis of electrical consumption and energy flow.
The meter operates across a wide 3 × 57.7/100–288/500 V AC measurement range and supports up to four tariffs. Two inputs and two outputs can be used for pulse, tariff and alarm functions, while integrated M-Bus communication, instrumentation values, configurable alarms and event logging provide comprehensive functionality for connected energy-management systems.
Key Advantages
- Advanced three-phase direct-connected energy meter for professional installations.
- Direct measurement up to 80 A without external current transformers.
- Suitable for 3-wire and 4-wire three-phase networks.
- Class B (Class 1) active energy accuracy for dependable energy measurement.
- Measures active and reactive energy in import and export directions.
- Integrated M-Bus communication for remote meter reading and system integration.
- Supports up to four tariffs for multi-tariff energy monitoring.
- Two inputs and two outputs provide flexible pulse, tariff and alarm functionality.
- Up to 25 configurable alarms and event logging support detailed electrical monitoring.
- IEC approved and MID approved and verified for professional metering applications.
Key Features
- ABB A43 EQ meter series.
- Silver functionality level.
- Three-phase direct-connected electricity meter.
- Maximum direct current: 80 A.
- 3 × 57.7/100–288/500 V AC measurement range.
- 50–60 Hz operating frequency.
- Class B (Class 1) active energy accuracy.
- Class 2 reactive energy accuracy.
- Active and reactive energy measurement.
- Import and export energy stored in separate registers.
- Resettable register for intermediate energy values.
- Up to four energy tariffs.
- Integrated M-Bus communication.
- Infrared communication interface.
- Two inputs and two outputs for pulse, tariff and alarm functions.
- Instrumentation values for power, current, voltage, frequency, power factor and apparent power.
- Up to 25 configurable alarm conditions.
- Event logging functionality.
- Backlit digital display with up to seven digits.
- Seven-module DIN-rail construction.
Reliable Direct-Connected Three-Phase Energy Monitoring
Direct-connected energy meters such as the ABB A43 313-100 measure three-phase electricity without requiring external current transformers on circuits within the meter's 80 A rating. This simplifies installation while providing detailed measurement of both active and reactive energy flowing into or out of the monitored electrical system.
The A43 313-100 extends energy measurement with electrical instrumentation, configurable alarms, event logging and multi-tariff functionality. Integrated M-Bus communication enables meter information to be collected remotely by compatible building-management and energy-management systems, providing a practical solution for centralised monitoring of commercial and industrial electrical installations.
Typical Applications
- Commercial building energy monitoring.
- Industrial three-phase electrical distribution.
- Direct-connected sub-metering up to 80 A.
- Building management systems using M-Bus communication.
- Import and export energy measurement.
- Renewable and distributed-generation monitoring.
- Tenant and departmental electricity allocation.
- Multi-tariff electricity monitoring.
- Distribution boards and electrical control panels.
- Energy efficiency and electrical consumption analysis.
Technical Specifications
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| Measurement Connection Type | CT connection | |
|---|---|---|
| MID Approval | Yes | |
| Current Input Rating (A) | 80 A | |
| Device Type | Energy meter | |
| Series | A43 EQ Meters | |
| ABB order code | 2CMA170526R1000 | |
| Product type | Three-phase electricity / energy meter | |
| Functionality level | Silver | |
| Connection type | Direct connected | |
| Number of phases | 3 | |
| Network configuration | 3-wire / 4-wire | |
| Maximum current | 80 A | |
| Phase-to-neutral voltage | 57.7–288 V AC | |
| Phase-to-phase voltage | 100–500 V AC | |
| System voltage range | 3 × 57.7/100–288/500 V AC | |
| Frequency | 50–60 Hz | |
| Measured energy | Active and reactive energy | |
| Energy direction | Import and export | |
| Active energy accuracy | Class B (Class 1) | |
| Reactive energy accuracy | Class 2 | |
| Tariffs | Up to 4 | |
| Communication | M-Bus | |
| Additional interface | Infrared | |
| Inputs | 2 | |
| Outputs | 2 | |
| Alarm capability | Up to 25 configurable alarms | |
| Display | Backlit digital display, up to 7 digits | |
| Protection rating | IP20 | |
| Operating temperature | −40 to +70 °C | |
| Mounting type | DIN rail | |
| Module width | 7 DIN modules | |
| Width | 123 mm | |
| Depth | 65 mm | |
| Weight | approx. 0.44 kg | |
| Standards | IEC 62052-11, IEC 62053-21, EN 50470-1, EN 50470-3 | |
| Approvals | IEC approved, MID approved and verified |
Frequently Asked Questions
What is the ABB A43 313-100 used for?
The ABB A43 313-100 is used for three-phase direct-connected energy monitoring in commercial, industrial and building-services installations, including measurement of active and reactive energy in import and export directions.
What is the maximum current of the ABB A43 313-100?
The meter supports direct-connected measurement up to 80 A, allowing suitable three-phase circuits to be monitored without external current transformers.
What is the accuracy of the ABB A43 313-100?
The A43 313-100 provides Class B (Class 1) accuracy for active energy and Class 2 accuracy for reactive energy.
Does the ABB A43 313-100 support M-Bus communication?
Yes. The A43 313-100 includes integrated M-Bus communication for remote meter reading and integration with compatible building-management and energy-management systems.
Does the ABB A43 313-100 support multiple tariffs?
Yes. This Silver-function meter supports up to four tariffs and includes two inputs and two outputs for tariff control, pulse counting and alarm functions.
Trusted Energy Measurement from ABB
ABB A43 energy meters combine accurate direct-connected three-phase measurement with multi-tariff functionality, electrical instrumentation and digital communications, providing dependable energy monitoring for modern commercial and industrial installations.
