ABB 3AUA0000004084 Motors & Drives - ACH550-UH-08A8-4
Part Number: 3AUA0000004084
Quick Summary
ABB 3AUA0000004084 is a compact variable frequency drive for precise motor control in HVAC, pumping, and machine automation. Engineers often face long commissioning times, wiring complexity, and inconsistent motor performance when expanding or upgrading systems. This drive is designed to help by providing streamlined setup, reliable protection, and consistent results. Typical industry certifications for motor drives in this class include CE compliance and protective IP ratings, with SIL-ready configurations available in qualified builds. By leveraging ABB's motor-control ecosystem, the ACH550-UH-08A8-4 helps reduce downtime, improve energy efficiency, and simplify procurement with a familiar interface across multiple sites. Secondary benefits arise from standardized diagnostics and remote monitoring that support proactive maintenance and better asset lifecycle management.
Product Information
The ACH550-UH-08A8-4 combines a compact, modular footprint with straightforward wiring, making panel space optimization and installation simpler. This translates to faster commissioning, easier retrofits, and a lower risk of miswiring during field setup. With flexible mounting options and a design that fits tight enclosures often found in facilities, it supports reliable operation in HVAC rooms, pump housings, and small conveyor stations. Built-in parameter libraries for common motor types accelerate configuration and reduce engineering time. Adjustable acceleration and deceleration profiles protect belts, gears, and bearings from abrupt torque changes, while precise speed control enhances process stability. This is ideal for varying-load HVAC fans, variable-speed pumps, and light-duty conveyors where consistency matters for energy use and product quality. Protection and safety features include overload protection, thermal monitoring, and safe torque off ( STO ), helping to safeguard personnel and equipment during startup and fault events. Diagnostic data and event logs support proactive maintenance and root-cause analysis, cutting downtime and extending mean time between failures. This aligns with regulatory requirements and industry best practices for critical process equipment. Energy efficiency gains come from soft-start and optimized motor control, reducing peak current and wear. When paired with ABB's automation ecosystem, it enables centralized monitoring and data-driven maintenance planning, delivering lower total cost of ownership and faster return on investment for projects in facilities with HVAC, pumping, or conveying needs. Connectivity and scalability are central to this drive, supporting standard control signals and common industrial networks for easy integration with existing systems. Its robust design and clear diagnostic feedback reduce service time, while modular options allow future expansion as loads evolve. In practice, maintenance teams appreciate predictable behavior across multiple sites, easing procurement and ensuring consistent performance.
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FAQs
The ACH550-UH-08A8-4 is designed for low-voltage induction motors in HVAC, pumping, and conveyor applications. It supports standard control signals and typical field wiring while offering ABB's guidance for safe installation. Verify motor nameplate current matches the drive rating, enable safe torque off, and mount the unit in a serviceable enclosure to simplify future maintenance.
For pumps and HVAC, the drive provides adjustable acceleration and deceleration, built-in PID control, and overload protection. These features reduce mechanical stress, stabilize process variables, and improve energy efficiency. With configurable ramps and feedback options, technicians can tune performance for varying loads without hardware changes.
Yes, this drive aligns with common compliance expectations for industrial equipment. It supports CE conformity and uses protective enclosures appropriate for machine rooms. Some configurations offer IP ratings and SIL-ready options; confirm the exact unit meets your regulatory requirements during procurement to ensure full compliance.
Energy savings arise from soft-start and optimized motor control, which reduce peak current and wear. Over the drive’s life, these efficiencies translate into lower energy bills, reduced maintenance costs, and a faster return on investment for facilities with HVAC, pumping, or conveying needs. The exact ROI depends on load profiles and duty cycles at the site.
Maintenance options include diagnostic data, remote monitoring, and firmware updates via ABB interfaces. Regular health checks and event logging support proactive maintenance and root-cause analysis, reducing downtime. ABB offers service contracts and technical support to ensure optimal performance across installations and over the product lifecycle.