ACH480-04-039A-4 ABB 18.5kW Three Phase ABB ACH480 Variable Speed Drive

Why Choose the ABB ACH480-04-039A-4 HVAC Drive?

The ABB 3AXD50000275731, also known as the ACH480-04-039A-4, is a specialised AC variable frequency drive (VFD) designed for HVAC applications. As part of the ABB ACH480 HVAC drive series, it is engineered to deliver energy-efficient and reliable motor control for fans, pumps and air handling systems.

Built with application-specific functionality, the ACH480 includes pre-configured HVAC features that simplify setup and commissioning. Its intuitive control interface and built-in assistants enable quick installation and optimised performance, making it ideal for building services and industrial HVAC systems. :contentReference[oaicite:0]{index=0}

With a rated output power of 18.5 kW, 38 A nominal output current and a three-phase 380–480 V AC supply, this drive is perfectly suited for controlling ventilation fans, pumps, compressors and air handling units in commercial and industrial environments. :contentReference[oaicite:1]{index=1}

Key Advantages

• Purpose-built HVAC drive with application-specific features.
• 18.5 kW motor control capability for building services systems.
• Pre-configured HVAC settings reduce commissioning time.
• Improves energy efficiency in ventilation and pumping systems.
• Compact design optimised for panel or wall mounting.
• Reliable operation in demanding environments.

Key Features

• ABB ACH480 HVAC drive series.
• 18.5 kW rated output power.
• 38 A nominal output current.
• Three-phase 380–480 V AC input supply.
• Integrated EMC filter for improved compatibility.
• Built-in HVAC control functions for fans and pumps.
• Supports Modbus, BACnet and other building automation protocols.
• User-friendly control panel with assistant functions.

Technical Specifications

• Manufacturer: ABB
• Series: ACH480 HVAC Drives
• Model: ACH480-04-039A-4
• Part number: 3AXD50000275731
• Product type: HVAC AC variable frequency drive
• Rated output power: 18.5 kW
• Rated output current: 38 A
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Frequency: 48 – 63 Hz
• Protection rating: IP20
• Mounting type: Wall or cabinet mounting
• Frame size: R4
• Operating temperature: approx. -10 to +50 °C

Optimised for HVAC Performance

The ACH480 drive regulates motor speed by adjusting voltage and frequency, enabling precise control of airflow and fluid movement. This results in reduced energy consumption and improved system efficiency, especially in variable load HVAC systems. :contentReference[oaicite:2]{index=2}

Its integrated HVAC functionality allows it to manage complex systems such as air handling units and multi-pump configurations without requiring additional controllers, reducing system complexity and installation costs. :contentReference[oaicite:3]{index=3}

Typical Applications

• HVAC fans and ventilation systems.
• Pumps and water circulation systems.
• Air handling units (AHUs).
• Cooling towers and chillers.
• Building automation systems.
• Commercial and industrial facilities.

Trusted in HVAC and Building Services

ABB ACH480 drives are trusted worldwide for delivering energy-efficient and reliable motor control in HVAC and building automation systems.