ABB ACS320-03U-01A9-4 HVAC Microdrive - UL Listed
Part Number: 3AUA0000039656
Quick Summary
ABB ACS320-03U-01A9-4 HVAC microdrive is a compact drive that precisely controls pumps and fans in HVAC systems. Many building operators struggle with energy waste and unreliable integration with building management systems. UL-listed safety certification ensures electrical compliance, while built-in BACnet MS/TP enables seamless integration with modern building management systems. Together, these capabilities help reduce operating costs, improve control accuracy, and speed up commissioning in commercial HVAC projects. Its compact design fits into tight equipment rooms and retrofit projects, while robust control sequences support smooth startup and shutdown of pumps and fans. With embedded features like energy-optimized ramps and fault-tolerant operation, building operators gain measurable efficiency gains and easier maintenance.
Product Information
Extended Description
3AUA0000039656 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: 0.75 horsepower performance at 460 V with a current draw of 3.6 A. Business Impact: Delivers precise motor control for HVAC pumps and fans, enabling energy-efficient operation and reduced footprint in equipment rooms. Application: Booster pumps, exhaust and condenser fans, and supply/return fan circuits benefit from accurate ramping and soft-start capabilities. Feature: Built-in BACnet MS/TP for building management system (BMS) integration. Business Impact: Simplifies commissioning, reduces wiring, and improves fault visibility across the facility. Application: Large commercial buildings and campuses where centralized control and monitoring are essential. Feature: UL-listed safety certification and electrical protection. Business Impact: Enhances compliance with safety codes, lowers installation risk, and supports regulatory readiness. Application: Anywhere HVAC drives are used in commercial, industrial, or institutional environments. Feature: Energy-optimized control strategies and compact form factor. Business Impact: Reduces energy consumption and operational costs while fitting in retrofit projects with space constraints. Application: HVAC pumps and fans across retrofits and new builds with limited cabinet space. Feature: Ecosystem compatibility and ease of installation. Business Impact: Streamlines procurement, maintenance, and future upgrades within the ABB drives family. Application: New installations and modernization projects seeking standardized controls and predictable performance.
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FAQs
Begin with confirming a 460 V power supply and properly grounding the drive. Connect the pump or fan motor to the drive output, then configure basic parameters for motor horsepower (0.75 HP) and current (3.6 A). Enable BACnet MS/TP addressing for BMS integration and verify protective functions. Follow the ABB installation guide to complete wiring, sealing, and commissioning steps while adhering to local electrical codes.
Key specs include a 0.75 horsepower rating, 3.6 A current draw, and 460 V supply voltage. The drive is UL-listed for electrical safety and features embedded BACnet MS/TP for direct BMS connectivity. It is designed for compact HVAC control of pumps and fans, delivering precise speed control and energy-efficient operation in HVAC installations.
Yes. The ACS320-03U-01A9-4 includes embedded BACnet MS/TP, enabling seamless communication with compatible Building Management Systems. This integration simplifies commissioning, enables real-time monitoring, and supports centralized control across multiple pumps and fans in commercial HVAC environments, reducing wiring and improving fault diagnostics.
The drive is UL-listed for electrical safety, which helps meet safety requirements in many markets and facility codes. When planning installations, verify local CE marking requirements, IP ratings appropriate to your environment, and any industry-specific standards. The embedded BACnet MS/TP capability also supports compliant integration with BMS platforms.
Expect energy savings from optimized pump and fan control due to precise speed modulation and soft-start capabilities, which reduce wear and shutdown shocks. Reduced wiring and simpler commissioning lower installation costs, while centralized monitoring via BACnet MS/TP improves maintenance planning and fault diagnosis, contributing to lower total cost of ownership over the system life cycle.