2CMA100245R1000 ABB A43 113-100 80A Three-Phase Direct-Connected M-Bus Energy Meter
ABB A43 113-100 is a DIN-rail mounted three-phase direct-connected active-energy meter for loads up to 80 A, featuring Class B / Class 1 accuracy, M-Bus and infrared communications, instrumentation values and a configurable pulse or alarm output.
Why Choose the ABB A43 113-100 Three-Phase Energy Meter?
The ABB A43 113-100 is a professional three-phase direct-connected electricity meter designed for accurate active-energy measurement in commercial, residential and industrial electrical installations. Part of ABB's A43 DIN-rail mounted meter range, it supports direct connection up to 80 A, allowing suitable three-phase loads to be monitored without external current transformers.
Designed for 3-wire and 4-wire three-phase networks, the A43 113-100 provides Class B / Class 1 active-energy accuracy across a wide 3 × 57.7/100–288/500 V AC voltage range. Its Steel functionality level also provides useful instrumentation values including power, current, voltage and frequency for detailed monitoring of the connected electrical system.
A key feature of this model is its integrated M-Bus communication interface, enabling meter readings to be collected by compatible remote energy-monitoring and building-management systems. The meter also provides a configurable pulse/alarm output, infrared communication, alarm functionality, MID approval and a clear backlit display in a robust 7-module DIN-rail format.
Key Advantages
Direct-connected three-phase metering up to 80 A without external current transformers.
Class B / Class 1 active-energy accuracy for dependable electricity measurement.
Integrated M-Bus communication for remote meter reading and system integration.
Suitable for 3-wire and 4-wire three-phase networks.
Wide 3 × 57.7/100–288/500 V AC measurement range.
Provides electrical instrumentation values including power, current, voltage and frequency.
Configurable pulse or alarm output provides flexible external signalling.
Supports up to 25 alarm values with configurable thresholds and time delays.
Integrated infrared interface supports compatible communication accessories.
MID verified and IEC approved for professional metering applications.
Key Features
ABB A43 series three-phase electricity meter.
Steel functionality level.
Direct-connected measurement up to 80 A.
Suitable for three-phase 3-wire and 4-wire networks.
3 × 57.7/100–288/500 V AC voltage range.
Class B / Class 1 active-energy measurement.
M-Bus communication interface.
Integrated infrared communication interface.
Configurable active-energy pulse or alarm output.
Displays active energy, power, current, voltage and frequency values.
Up to 25 configurable alarm values.
White backlit display with up to seven digits.
2-element and 3-element metering capability.
Compact 7 DIN-module construction.
Designed for DIN-rail installation in electrical distribution equipment.
Direct Three-Phase Metering with M-Bus Communications
The ABB A43 113-100 provides direct-connected three-phase energy measurement for loads up to 80 A, avoiding the need for external current transformers in suitable installations. In addition to active-energy measurement, the meter provides useful instrumentation data including active power, phase currents, phase-to-phase and phase-to-neutral voltages and frequency, supporting detailed analysis of the connected electrical network.
Its integrated M-Bus interface enables energy data to be collected remotely by compatible metering, building-management and energy-monitoring systems. Combined with infrared communication and a configurable pulse/alarm output, the A43 113-100 provides flexible integration options for automated meter reading, sub-metering and energy-management applications.
Typical Applications
Commercial building energy monitoring.
Residential three-phase electricity metering.
Industrial electrical installations.
Three-phase distribution boards and switchboards.
Direct-connected loads up to 80 A.
3-wire and 4-wire three-phase electrical networks.
M-Bus automated meter-reading systems.
Building-management and energy-monitoring systems.
Tick the specs you need, then view products that match.
MID Approval
Yes
Device Type
Energy meter
Measurement Connection Type
Via CT (/5 A)
Current Input Rating (A)
80 A
Series
A43
ABB type designation
A43 113-100
ABB order code
2CMA100245R1000
EAN / GTIN
7392696002455
Product group
DIN Rail Mounted Meters
Product type
Three-phase electricity / energy meter
Functionality level
Steel
Connection type
Direct connected
Number of phases
3
Network configuration
3-wire or 4-wire
Maximum current
80 A
Nominal voltage
3 × 230/400 V AC
Voltage range
3 × 57.7/100–288/500 V AC
Active-energy accuracy
Class B / Class 1
Energy measurement
Active energy
Instrumentation
Active power, current, voltage and frequency
Communication interface
M-Bus
Additional communication
Infrared interface
Output
1 configurable pulse/alarm output
Alarm functionality
Up to 25 configurable alarm values
Display
White backlit digital display, up to 7 digits
Metering configuration
2-element and 3-element
DIN-rail width
7 modules
Mounting type
DIN rail
Net weight
approx. 0.44 kg
Approval
MID verified and IEC approved
Frequently Asked Questions
What is the ABB A43 113-100 used for?
The ABB A43 113-100 is a three-phase direct-connected electricity meter used for active-energy measurement and electrical monitoring in commercial, residential and industrial installations.
What is the maximum current of the ABB A43 113-100?
The A43 113-100 supports direct-connected three-phase loads up to 80 A, allowing suitable circuits to be metered without external current transformers.
What communication interface does the ABB A43 113-100 use?
The A43 113-100 incorporates an integrated M-Bus communication interface for remote meter reading and connection to compatible energy-monitoring systems. It also provides an infrared communication interface.
What voltage range does the ABB A43 113-100 support?
The meter supports a wide three-phase voltage range of 3 × 57.7/100–288/500 V AC, making it suitable for a variety of 3-wire and 4-wire three-phase networks.
Is the ABB A43 113-100 MID approved?
Yes. The ABB A43 113-100 is MID verified and IEC approved and provides Class B / Class 1 active-energy accuracy for professional electricity-metering applications.
Trusted Connected Energy Metering from ABB
ABB A43 DIN-rail electricity meters combine accurate direct-connected three-phase active-energy measurement with comprehensive instrumentation and flexible communications. The A43 113-100 adds integrated M-Bus connectivity for professional automated meter reading, energy-management and sub-metering applications.
Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.
This productManufacturer Lead Time
Estimated Delivery 6 weeks
Standard delivery
£8 ex VAT · free over £200
UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Collect from our showroom
Mon–Fri, 8am–5pm
Order and pay online, then collect from our showroom.
Please allow 15–30 minutes after ordering for us to prepare your order.
Northern Ireland, ROI & export
Priced at checkout
We deliver to Northern Ireland, the Republic of Ireland and overseas.
Delivery is calculated at checkout based on your destination.
Orders with mixed availability
Shipped complete
If part of your order is on a lead time, we hold it and send everything together.
Need the in-stock items sooner? Ask us and we can split the delivery.
Business customer returns
Returns & order support
Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.
Stocked items
Request within 30 days
Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.
Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.
Faulty or damaged items
Tell us as soon as possible
Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.
We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.
Made-to-order items
Manufacturer approval needed
Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.
This does not affect claims for faulty goods or items that do not meet the agreed specification.
Let’s get your return sorted.
Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.
The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
