Why Choose the ABB A43 212-100 Three-Phase Energy Meter?
The ABB A43 212-100 is an advanced three-phase direct-connected electricity meter designed for accurate energy monitoring in industrial, commercial and electrical distribution applications. Part of ABB's professional A43 DIN-rail mounted EQ meter range, it supports direct-connected loads up to 80 A, eliminating the need for external current transformers in suitable installations.
Designed for both 3-wire and 4-wire three-phase systems, the A43 212-100 measures active and reactive energy in import and export directions. Its Bronze functionality provides Class B / Class 1 active-energy accuracy and Class 2 reactive-energy accuracy, together with instrumentation values, configurable alarms and event logging for comprehensive electrical monitoring.
Integrated RS-485 communications support Modbus RTU and ABB EQ Bus, enabling remote meter reading and integration with compatible building-management, energy-management and automation platforms. A configurable pulse/alarm output, backlit pixel-oriented display, wide voltage range and MID approval make the A43 212-100 a versatile solution for connected three-phase sub-metering.
Key Advantages
- Direct-connected three-phase metering up to 80 A without external current transformers.
- Measures active and reactive energy in both import and export directions.
- Class B / Class 1 active-energy accuracy for dependable electricity measurement.
- Class 2 reactive-energy accuracy for comprehensive energy monitoring.
- Suitable for 3-wire and 4-wire three-phase systems.
- Integrated RS-485 communications for remote monitoring and system integration.
- Supports Modbus RTU and ABB EQ Bus communication protocols.
- Provides multiple instrumentation values for detailed electrical-system analysis.
- Supports up to 25 configurable alarms together with event logging.
- IEC approved and MID approved and verified for professional metering applications.
Key Features
- ABB A43 series three-phase electricity meter.
- Bronze functionality level.
- Direct-connected measurement up to 80 A.
- Suitable for three-phase 3-wire and 4-wire systems.
- Wide three-phase voltage range.
- Active-energy import and export measurement.
- Reactive-energy import and export measurement.
- Class B / Class 1 active-energy accuracy.
- Class 2 reactive-energy accuracy.
- RS-485 serial communication interface.
- Modbus RTU and ABB EQ Bus communications.
- One configurable pulse or alarm output.
- Instrumentation values for detailed electrical monitoring.
- Up to 25 possible alarm functions.
- Event logging functionality.
- Large, easy-to-read backlit pixel-oriented display.
- Compact 7 DIN-module construction.
Connected Three-Phase Energy Metering with Modbus RTU
The ABB A43 212-100 provides direct-connected measurement of three-phase electrical loads up to 80 A, avoiding the need for external current transformers in suitable applications. Active and reactive energy can be recorded in both import and export directions, while instrumentation values, alarms and event logs provide additional insight into the operation of the connected electrical system.
Integrated RS-485 communication using Modbus RTU or ABB EQ Bus allows energy and instrumentation data to be collected remotely by compatible supervisory, building-management and energy-management platforms. Together with its configurable pulse/alarm output, the A43 212-100 provides flexible integration for automated meter reading, energy analysis and professional three-phase sub-metering.
Typical Applications
- Commercial building energy monitoring.
- Industrial three-phase electricity metering.
- Electrical distribution boards and switchboards.
- Direct-connected three-phase loads up to 80 A.
- 3-wire and 4-wire three-phase electrical systems.
- Active and reactive import/export energy monitoring.
- RS-485 Modbus RTU energy-management networks.
- Building-management and automation systems.
- Tenant and departmental electricity sub-metering.
- Distributed-generation and bidirectional energy monitoring.
- MID-compliant electricity-metering applications.
