Why Choose the ABB A41 312-100 Energy Meter?
The ABB A41 312-100 is an advanced single-phase direct-connected DIN-rail energy meter designed for detailed electricity monitoring in residential, commercial and industrial installations. Part of ABB's DIN Rail Mounted Meters range, it combines direct measurement up to 80 A, a clear backlit display and digital communication in a compact DIN-rail format.
The A41 312-100 measures active and reactive energy together with key electrical parameters including voltage, current, power factor and frequency. It supports import and export measurement, making it suitable for installations where both consumed and generated electrical energy need to be monitored, while tariff functionality provides additional flexibility for energy allocation and analysis.
Integrated RS-485 communication supports Modbus RTU, enabling measurement data to be incorporated into compatible building management, automation and energy-monitoring systems. With two digital inputs and two digital outputs, MID certification and direct connection up to 80 A, the A41 312-100 provides a versatile platform for local and networked single-phase energy monitoring.
Key Advantages
- Single-phase direct-connected measurement up to 80 A.
- No external current transformers required for circuits within the direct-connection range.
- Measures active and reactive energy.
- Supports import and export measurement for monitoring consumption and generation.
- Wide 47–331 V AC voltage range.
- MID Class B / IEC Class 1 active-energy accuracy.
- Class 2 reactive-energy accuracy.
- Integrated RS-485 Modbus RTU communication.
- Two digital inputs and two digital outputs provide flexible system integration.
- Tariff functionality supports detailed energy accounting.
- Large backlit display provides clear local indication.
- DIN-rail mounting simplifies installation in distribution and control panels.
Key Features
- ABB A41 series electricity meter.
- Single-phase, two-wire measurement.
- Direct-connected current range up to 80 A.
- 5 A nominal current.
- 47–331 V AC voltage range.
- 50/60 Hz electrical system compatibility.
- Active and reactive energy measurement.
- Import and export energy registers.
- MID Class B / IEC Class 1 active-energy accuracy.
- Class 2 reactive-energy accuracy.
- RS-485 Modbus RTU communication.
- Two digital inputs and two digital outputs.
- Tariff-based energy monitoring.
- Measurement of voltage, current, power factor and frequency.
- Large backlit pixel-oriented display.
- Infrared interface for compatible ABB communication accessories.
Advanced Single-Phase Energy Monitoring with RS-485
The ABB A41 312-100 provides direct-connected single-phase measurement up to 80 A, allowing suitable circuits to be monitored without external current transformers. In addition to active and reactive energy, the meter provides important electrical instrumentation values and supports separate import and export measurement, making it useful for detailed monitoring of both electricity consumption and generation.
Integrated RS-485 Modbus RTU communication enables measurement data to be transmitted to compatible building management, automation and energy-monitoring systems. Combined with two digital inputs, two digital outputs, tariff functionality and a clear backlit display, the A41 312-100 provides flexible local and centralised monitoring for modern electrical installations.
Typical Applications
- Residential electricity monitoring and submetering.
- Commercial building energy monitoring.
- Industrial single-phase energy measurement.
- Distribution board and control-panel monitoring.
- Building management systems using RS-485 communication.
- Modbus RTU energy-monitoring networks.
- Import and export energy monitoring.
- Distributed generation and consumption monitoring.
- Tenant, departmental and cost-centre submetering.
- Energy efficiency and consumption analysis.
- Single-phase circuits requiring direct measurement up to 80 A.
