ABB 3AUA0000005397 ACH550 VFD - 2+B055
Part Number: 3AUA0000005397
Quick Summary
ACH550 VFD is a compact variable frequency drive for precise motor control in pumps, fans, and conveyors. When selecting a drive, users often struggle with balancing energy savings, ease of installation, and long-term reliability. These drives support CE compliance, with optional SIL-rated safety configurations and IP-rated enclosure options depending on the installation. For engineering teams, the right drive translates to less downtime and more predictable processes. By integrating ACH550 into your motor control strategy, you unlock reduced energy consumption, smoother starts, and faster commissioning, while maintaining safety and regulatory alignment. This aligns with plant-wide modernization efforts and supports total cost of ownership reductions.
Product Information
Feature: 178A rated current in ACH550-UH-178A-2+B055 enables direct drive of larger motors, reducing panel footprint and wiring complexity. Business impact: lowers capital expenditure on cabinets, minimizes conduit runs, and speeds up installation. Application: ideal for medium to high-power pumps, fans, and conveyors in manufacturing and process environments. Feature: integrated acceleration and soft-start control minimizes mechanical shock and electrical stress, extending bearing life and reducing maintenance needs. Application: starts and ramps for pumps and fans in HVAC and process automation. Feature: compact, modular design with flexible installation options saves space in control panels and machine rooms. Application: retrofits and new builds where panel real-estate is at a premium. Feature: safety and compliance options, including CE-aligned design and configurable safety configurations, support regulatory requirements. Application: critical in food processing, water treatment, and discrete manufacturing where regulatory alignment matters. Feature: built-in diagnostics and fault reporting enhance reliability and maintenance planning. Application: remote monitoring and proactive service in continuous process industries.
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FAQs
To install the ACH550 safely, verify the input supply matches the drive’s operating range, use shielded motor cables, and provide adequate cooling. Ensure proper grounding and enclosure ventilation, and follow ABB’s installation manual for wiring layouts and safety clearances. These steps help prevent nuisance faults and support reliable operation in harsh industrial environments.
The model suffix indicates a 178A current rating, suitable for direct control of larger motors without paralleling drives. The ACH550 offers standard motor control features suitable for pumps, fans, and conveyors, including smooth acceleration/deceleration and protection against overloads. Confirm exact parameters in the datasheet for voltage range, ramp rates, and protection modes relevant to your motor size.
Yes. The ACH550 is designed for robust motor control in applications such as pumps, fans, and conveyors, delivering energy-efficient operation, controllable speed, and reliable starts under load. Its compact form factor simplifies panel design and integration with existing control architectures, enabling faster commissioning and improved process consistency.
The ACH550 family is typically CE-compliant in many markets, with configurable safety features and enclosure options that may offer SIL-rated configurations and IP-rated protection depending on the configuration. Always verify the exact certification package with the specific drive configuration and consult the datasheet for the intended installation environment.
The ACH550 enables energy-efficient motor control and reduced mechanical wear through soft-start and ramping, lowering energy costs and extending motor life. Fewer drives required for multi-motor setups can reduce BOM and maintenance complexity. The integrated diagnostics help with proactive maintenance, contributing to higher uptime and lower total cost of ownership.