ABB ACS320-03U-50A8-2 HVAC Microdrive - UL Listed
Part Number: 3AUA0000039654
Quick Summary
ACS320 HVAC microdrive delivers precise motor control for pumps and fans in commercial HVAC systems. Engineers often struggle with energy waste and complex integration with building management systems, driving higher operating costs. UL-listed safety certification and BACnet MS/TP built-in support enable reliable operation and seamless BMS integration in modern facilities. Its compact footprint and straightforward parameterization reduce installation time and total cost of ownership. Designed for scalability, it supports standard ABB motor packages and enables efficient, predictable HVAC performance across applications.
Product Information
Extended Description
3AUA0000039654 ABB: The compact ACS320 will save energy throughout your pump and fan HVAC applications. From booster pumps, exhaust and condenser fans to supply and return fans, the drive=E2=80=99s built-in HVAC features such as embedded BACnet (MS/TP) ensure easy and complete integration into building management systems.
Feature → Business Impact → Application: Built-in HVAC features, including BACnet MS/TP communication, enable easy integration with building management systems and optimize fan and pump performance, delivering measurable energy savings in large-scale HVAC operations. Application: booster pumps, exhaust and condenser fans, supply and return fans. Benefit: reduces energy consumption and simplifies system-wide control in commercial buildings. Feature → Business Impact → Application: Compact 230 V, 15 HP drive with 76 A current rating fits tight equipment spaces, enabling retrofits and upgrades without costly enclosures. Application: retrofit projects in existing HVAC installations. Benefit: shorter install time and lower capital expenditure for upgrade cycles. Feature → Business Impact → Application: UL-listed safety certification provides compliance confidence and lowers risk during commissioning. Application: critical service areas and facilities with strict safety requirements. Benefit: accelerates project approvals and reduces commissioning delays. Feature → Business Impact → Application: Parameterization and compatibility with ABB motors streamline setup and maintenance. Application: new installations and replacements in pumps and fans. Benefit: faster time-to-value and consistent performance across equipment families. Feature → Business Impact → Application: Energy-efficient motor control with precise speed modulation minimizes mechanical wear and motor stress. Application: variable torque control for variable-speed pumps. Benefit: extends equipment life and reduces maintenance costs. Feature → Business Impact → Application: Embedded BACnet MS/TP enhances interoperability with modern building automation ecosystems. Application: centralized monitoring and fault diagnostics. Benefit: centralized visibility, improved uptime, and simpler compliance reporting.
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FAQs
The ACS320-03U-50A8-2 is designed for 230 V three-phase systems with a compact footprint suitable for tight equipment spaces. It supports straightforward wiring, standard motor interfaces, and quick commissioning workflows, enabling rapid retrofits or new installations in industrial and commercial HVAC equipment such as booster pumps and ventilation fans.
By providing precise variable speed control and soft-start capabilities, the ACS320 matches motor output to dynamic HVAC loads. This reduces starting current, minimizes pump and fan wear, and lowers overall energy consumption, delivering measurable operating-cost reductions in daily HVAC operation.
Yes. The ACS320-03U-50A8-2 includes built-in BACnet MS/TP to enable direct communication with BACnet-enabled BMS. This simplifies monitoring, fault diagnostics, and coordinated control across HVAC equipment, improving system uptime and energy management without additional gateway hardware.
The ACS320 is UL-listed for safety, providing a recognized safety certificate for electrical equipment in HVAC applications. This certification supports safer commissioning, reduces risk during maintenance, and helps with procurement approvals in regulated facilities.
Expected ROI comes from energy savings due to precise speed control, reduced electrical stress from soft-start, and longer motor life with smoother operation. Maintenance is simplified by fewer external control components, reliable ABB hardware, and centralized monitoring via BACnet MS/TP, contributing to lower total cost of ownership over the drive’s lifecycle.