ABB ACS320-03U-04A1-4 HVAC microdrive - UL Pld 2 Hp
Part Number: 3AUA0000039659
Quick Summary
ABB ACS320-03U-04A1-4 HVAC microdrive optimizes pump and fan control in commercial and industrial HVAC systems. For engineers, energy waste and inconsistent system response remain common pain points, especially during peak loads or complex variable air volume operations. The drive carries UL listing for safety and reliability and is designed to support CE-compliant European markets, with IP-rated variants available for demanding environments, plus BACnet MS/TP integration for seamless building-management-system compatibility. By combining precise speed control with embedded HVAC features, the ACS320 enables faster commissioning, reduced energy consumption, and simplified procurement, delivering measurable cost savings over the system lifecycle. Secondary benefits include reliable diagnostics, easy retrofit potential, and scalable performance for future expansions in larger facilities.
Product Information
Extended Description
3AUA0000039659 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: Compact HVAC microdrive design with built-in HVAC features. Business Impact: Reduces panel footprint and simplifies wiring during installation and retrofits. Application: Suitable for booster pumps, exhaust and condenser fans, and supply/return fans in new builds or upgrades. Feature: Precision motor control and energy-efficient operation. Business Impact: Lowers energy costs and extends equipment life through smooth starts, soft stops, and optimized torque. Application: Variable-speed control for pump and fan sets across load conditions in commercial spaces and processing facilities. Feature: Embedded BACnet MS/TP for building management integration. Business Impact: Streamlines commissioning, reduces wiring complexity, and enables centralized monitoring. Application: Centralized control in large facilities, campuses, and retrofit projects. Feature: Robust safety and diagnostics aligned with HVAC industry standards. Business Impact: Decreases unplanned downtime and accelerates fault isolation. Application: Maintenance routines and remote diagnostics in industrial environments. Feature: Compatible with 460 V three-phase power and 2 HP rating. Business Impact: Easy drop-in replacement in compatible systems, fast ROI, and minimal electrical infrastructure changes. Application: retrofit and new installations in mid-sized commercial HVAC deployments.
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FAQs
Begin with a standard 3-phase 460 V power connection, verify motor current limits (6.9 A) and 2 HP rating, mount the drive in a clean, accessible panel, and connect field wiring per ABB documentation. Enable BACnet MS/TP for BMS access, configure motor parameters, and run a quiet-start/stop test to confirm smooth acceleration and deceleration, reducing inrush and vibration.
The model provides 2 horsepower at 460 V with a current draw of approximately 6.9 A in a three-phase configuration. It is designed for HVAC pump and fan applications, delivering precise speed control within a compact footprint. Embedded HVAC features support efficient operation and integration with building-management systems through BACnet MS/TP connectivity.
Yes. The ACS320-03U-04A1-4 is tailored for booster pumps, exhaust and condenser fans, and supply/return fans across industrial and commercial HVAC environments. Its compact design, energy-saving capabilities, and BACnet MS/TP integration enable reliable, scalable control, helping facilities meet performance targets while simplifying commissioning and ongoing maintenance.
The drive carries UL listing for safety and reliability, and ABB supports market-ready configurations with CE-compliant expectations for many regions. When selecting a version, verify your local market requirements and the specific enclosure or IP-rated variant to ensure appropriate compliance for your installation environment.
You can expect measurable ROI from energy savings due to precise speed control across varying load conditions, reduced wiring and commissioning time via BACnet MS/TP integration, and lower maintenance costs thanks to built-in diagnostics and protection features. The ACS320 also simplifies retrofits and future capacity upgrades in mid-sized commercial HVAC projects.