Why Choose the ABB A43 111-100 Energy Meter?
The ABB A43 111-100 is a three-phase direct-connected DIN-rail electricity meter designed for accurate active energy measurement in commercial, industrial and building energy-monitoring applications. Part of ABB's DIN Rail Mounted Meters range, this Steel-functionality meter supports direct connection up to 80 A, eliminating the need for external current transformers where the circuit is within its specified current range.
Designed for both three-wire and four-wire systems, the A43 111-100 supports a wide 3 × 57.7/100–288/500 V AC system voltage range. It provides Class B MID / Class 1 active-energy accuracy and measures useful electrical instrumentation values including energy, current, voltage, frequency and power factor.
The A43 111-100 provides a configurable digital output for energy pulses or alarm functions, together with an infrared communication interface, up to 25 possible alarms and event logging. Its large backlit pixel-oriented display and seven-module DIN-rail construction provide clear local monitoring for three-phase electrical distribution systems.
Key Advantages
- Three-phase direct-connected measurement up to 80 A.
- No external current transformers required for circuits within the direct-connection range.
- Wide 3 × 57.7/100–288/500 V AC system voltage range.
- Suitable for both three-wire and four-wire systems.
- Class B MID / Class 1 active-energy accuracy.
- Single-tariff active energy measurement for straightforward consumption monitoring.
- One configurable digital pulse or alarm output.
- Infrared communication interface for compatible ABB communication accessories.
- Provides key instrumentation values for electrical system monitoring.
- Supports up to 25 possible alarms and event logging.
- Large backlit pixel-oriented display provides clear local readings.
- MID approved and verified and IEC approved.
Key Features
- ABB A43 series electricity meter.
- Steel functionality level.
- Three-phase direct-connected measurement.
- 5 A reference current.
- 80 A maximum direct-connected current.
- 3 × 57.7–288 V AC phase-to-neutral rated voltage.
- 3 × 57.7/100–288/500 V AC system voltage range.
- 3 × 47–331 V AC phase-to-neutral voltage range.
- 50/60 Hz rated frequency.
- Active energy measurement.
- Class B MID / Class 1 active-energy accuracy.
- Single-tariff configuration.
- One digital output for pulse or alarm functions.
- Configurable pulse output rate.
- Infrared communication interface.
- Instrumentation values including energy, current, voltage, frequency and power factor.
- Up to 25 possible alarms and event logging.
- Large backlit pixel-oriented digital display.
Direct-Connected Three-Phase Energy Monitoring
The ABB A43 111-100 provides direct-connected three-phase active energy measurement up to 80 A, allowing suitable electrical circuits to be monitored without external current transformers. Its wide voltage range and compatibility with both three-wire and four-wire systems make it suitable for a broad range of commercial and industrial three-phase distribution arrangements.
In addition to active energy measurement, the meter provides instrumentation values including current, voltage, frequency and power factor. A configurable pulse or alarm output, infrared interface, up to 25 possible alarms and event logging provide additional monitoring functionality, while its MID Class B accuracy supports applications requiring verified active energy measurement.
Typical Applications
- Commercial building energy monitoring.
- Industrial three-phase electricity metering.
- Distribution board and switchboard monitoring.
- Three-phase submetering applications.
- Tenant, departmental and cost-centre energy monitoring.
- Plant and equipment energy consumption monitoring.
- Energy efficiency and consumption analysis.
- Electrical installations requiring pulse-output energy data.
- Three-wire and four-wire three-phase systems.
- Three-phase circuits requiring direct measurement up to 80 A.
