Choosing the right ABB ACH580 drive starts with your motor, electrical supply and installation environment. The motor’s kW rating helps narrow the options, but current rating, load requirements and enclosure protection are equally important.
This guide covers ABB ACH580-01 wall-mounted HVAC drives for new installations and replacement projects.
Browse ABB ACH580 IP21 drives:
https://store.westernautomation.co.uk/automation-and-safety/hvac-drives/abb-ach580-ip21-hvac-drives
Browse ABB ACH580 IP55 drives:
https://store.westernautomation.co.uk/automation-and-safety/hvac-drives/abb-ach580-ip55-hvac-drives
The ABB ACH580 is a variable speed drive designed for heating, ventilation, air conditioning and refrigeration applications. Typical uses include fans, pumps, air-handling units and suitable compressor applications.
By adjusting motor speed to match demand, a correctly selected and commissioned drive can help control airflow, pressure or flow and reduce unnecessary energy use. Actual savings depend on the equipment and operating conditions.
Read more about the range on ABB’s official ACH580 page.
Before selecting a drive, gather the following information:
| Motor information | Why it matters |
|---|---|
| Power in kW | Provides an initial guide to drive size |
| Rated current in amps | Essential for checking output capacity |
| Rated voltage and connection | Must suit the drive and electrical supply |
| Frequency and rated speed | Needed for correct configuration |
| Motor type | Determines compatibility and control requirements |
| Equipment being driven | Helps establish load and overload requirements |
For a replacement, photograph both the motor nameplate and the existing drive label, including any option codes.
Do not choose a replacement solely by matching the kW rating on the existing drive.
Confirm the available supply voltage and number of phases, then check the exact drive’s input specification.
The drive’s usable output current must meet the motor’s requirements for the intended duty, after any necessary derating. Its overload capability must also suit the application.
If a motor nameplate shows 4kW, 400V and 8.2A, a drive advertised as 4kW is a starting point.
Before ordering, confirm that:
The drive accepts the available electrical supply.
Its applicable output-current rating meets the motor’s requirements.
Its overload capability suits the starting and running conditions.
Any derating still leaves sufficient capacity.
Its enclosure is suitable for the installation.
If these checks are not satisfied, a different size or configuration may be required.
Choose enclosure protection according to the conditions around the drive.
| Consideration | IP21 | IP55 |
|---|---|---|
| Protection | Protection against solid objects of 12.5mm or larger and vertically falling water drops | Dust-protected enclosure with protection against water jets |
| Typical location to assess | A suitably clean, dry indoor location | An indoor location requiring greater protection from dust or water |
| Further checks | Temperature, exposure, ventilation and mounting clearances | Temperature, exposure, ventilation and mounting clearances |
IP55 does not automatically mean suitable for outdoor installation, pressure washing or corrosive conditions. Check ABB’s environmental requirements for the exact model.
Where an IP21 drive is fitted inside a separate cabinet, the cabinet’s protection, ventilation and heat dissipation also need to be assessed.
For manufacturer information, see ABB’s ACH580-01 wall-mounted drive overview.
Compare ABB ACH580 IP21 drives:
https://store.westernautomation.co.uk/automation-and-safety/hvac-drives/abb-ach580-ip21-hvac-drives
Compare ABB ACH580 IP55 drives:
https://store.westernautomation.co.uk/automation-and-safety/hvac-drives/abb-ach580-ip55-hvac-drives
A drive’s available output can depend on how and where it operates. Check:
Ambient temperature around the drive.
Installation altitude.
Cooling airflow and mounting clearances.
Switching-frequency settings.
Required starting and running overloads.
Derating means reducing the usable output under specified operating conditions. Where required, this may mean selecting a larger drive.
Motor-cable length, motor insulation and installation arrangements can also affect whether additional equipment is needed.
Use the rating tables and installation requirements in the applicable hardware manual, available through ABB’s ACH580-01 manuals and documentation.
Establish how the drive will receive commands and report its status.
Your installation may require:
Hardwired start/stop and speed-reference signals.
Sensor inputs for pressure, temperature or flow control.
Run and fault feedback.
A building management system connection.
Additional communication or input/output options.
The ACH580 supports embedded BACnet MS/TP and Modbus RTU communications. Ethernet-based protocols are different: if the specification calls for BACnet/IP, Modbus TCP or another network, confirm the required adapter and compatibility before ordering.
See ABB’s guidance on BACnet MS/TP connectivity and Modbus RTU connectivity.
An ACH580 may be suitable for replacing an older ABB drive or another manufacturer’s unit, but a matching kW rating does not guarantee a direct replacement.
Compare:
Supply voltage and motor-current requirements.
Motor type and operating duty.
Enclosure protection.
Mounting dimensions and cable-entry positions.
Control wiring and feedback signals.
BMS communications.
Existing accessories and option codes.
Record the existing settings and control arrangement before removal. The replacement may require different wiring and commissioning; do not assume an old parameter file can be transferred unchanged.
Confirm the complete part number and option codes, together with:
Supply voltage and phase.
Motor current and required overload duty.
Any derating.
IP rating and environmental suitability.
Dimensions and cooling clearances.
Controls, communications and accessories.
Availability and delivery requirements.
Final selection and installation should follow ABB’s documentation for the exact drive and be checked by a suitably qualified person.
No. Use kW to narrow the options, then check the motor current, supply voltage, operating duty and installation conditions against the drive’s ratings.
IP55 provides greater enclosure protection. The appropriate choice depends on the installation environment, and both versions still require suitable cooling and operating conditions.
It may be suitable, but electrical ratings, motor compatibility, controls, communications and physical dimensions must be checked first.
A larger drive does not inherently provide greater energy savings. Savings depend mainly on the system’s demand and control strategy. Select the size needed for the motor and application.
Visit ABB’s ACH580-01 documentation page for hardware manuals, installation instructions and control-program documentation. Choose the documents applicable to your exact drive and firmware.
Send a clear photograph of the motor nameplate and existing drive label, together with the supply voltage, application, installation environment and BMS requirements.
Explore the models available from H.TE Western Automation:
Shop ABB ACH580 IP21 drives:
https://store.westernautomation.co.uk/automation-and-safety/hvac-drives/abb-ach580-ip21-hvac-drives
Shop ABB ACH580 IP55 drives:
https://store.westernautomation.co.uk/automation-and-safety/hvac-drives/abb-ach580-ip55-hvac-drives
Need help selecting a model? Send our team your motor nameplate and existing drive details so we can help identify a suitable option and confirm availability.
Sep 03 2026 | Guides and How-to