Why Choose the ABB A41 412-100 Single-Phase Energy Meter?
The ABB A41 412-100 is an advanced single-phase direct-connected electricity meter designed for accurate energy monitoring in residential, commercial and industrial electrical installations. Part of ABB's professional A41 DIN-rail mounted EQ meter range, it supports direct connection of loads up to 80 A, allowing suitable single-phase circuits to be monitored without external current transformers.
As a Gold functionality meter, the A41 412-100 provides comprehensive monitoring beyond basic electricity consumption. It measures active and reactive energy, supports four-quadrant energy monitoring and provides important electrical instrumentation values including voltage, current, power, power factor and frequency, together with demand and event-monitoring functions.
The A41 412-100 incorporates an integrated RS-485 communication interface with Modbus RTU, enabling remote meter reading and integration with compatible energy-management, building-management and automation systems. Its combination of advanced metering functions, configurable digital I/O, multi-tariff capability, MID approval and a clear backlit LCD makes it a powerful solution for connected single-phase energy management.
Key Advantages
- Direct-connected single-phase metering up to 80 A without external current transformers.
- Advanced Gold functionality level for detailed energy analysis.
- Measures active and reactive energy with four-quadrant monitoring capability.
- Integrated RS-485 Modbus RTU communication for remote monitoring.
- Class B active-energy accuracy for dependable electricity measurement.
- Provides voltage, current, power, power factor and frequency instrumentation.
- Supports multi-tariff metering and tariff control.
- Provides demand monitoring, alarm functionality and event logging.
- Digital inputs and outputs provide flexible integration with external equipment.
- MID approved and verified for compliant metering applications.
Key Features
- ABB A41 series single-phase electricity meter.
- Gold functionality level.
- Direct-connected measurement up to 80 A.
- 57.7–288 V AC phase-to-neutral operating voltage range.
- 50/60 Hz rated frequency.
- Active and reactive energy measurement.
- Four-quadrant consumption and generation monitoring.
- Maximum-demand measurement.
- Electrical instrumentation including voltage, current, power, power factor and frequency.
- RS-485 Modbus RTU communication.
- Multi-tariff measurement and tariff control.
- Configurable digital inputs and outputs.
- Pulse/alarm output functionality.
- Up to 25 possible alarm functions and event logging.
- Large backlit pixel-oriented digital display.
- IP20 degree of protection.
- Compact 4 DIN-module construction.
Advanced Single-Phase Metering with Modbus RTU
The ABB A41 412-100 provides direct-connected measurement of single-phase electrical loads up to 80 A, allowing suitable circuits to be monitored without external current transformers. Its Gold functionality supports detailed active and reactive energy analysis alongside instrumentation values, demand monitoring, tariffs, alarms and event information, making it suitable for applications requiring significantly more insight than a basic kWh meter.
Integrated RS-485 Modbus RTU communication allows meter data to be collected remotely by compatible building-management, automation and energy-management platforms. Combined with digital I/O, pulse functionality and multi-tariff control, the A41 412-100 provides a flexible platform for automated meter reading, energy allocation, consumption analysis and connected sub-metering.
Typical Applications
- Commercial building energy monitoring.
- Residential single-phase electricity metering.
- Industrial single-phase electrical loads.
- Distribution boards and electrical panels.
- Direct-connected circuits up to 80 A.
- RS-485 Modbus RTU energy-monitoring networks.
- Building-management and automation systems.
- Multi-tariff electricity sub-metering.
- Consumption and distributed-generation monitoring.
- Maximum-demand and electrical-performance monitoring.
- MID-compliant energy-metering applications.
