ABB ACH550 3AUA0000221330 Motors & Drives - 125A
Part Number: 3AUA0000221330
Quick Summary
ABB ACH550 drive is a precise motor speed control solution for HVAC systems and general industrial equipment. It helps you tune motor performance for energy efficiency, reduced wear, and smoother starts. Engineers often battle energy waste, motor chatter, and costly downtime; the ACH550 addresses these by delivering reliable torque control and soft-start functionality. Typical certifications and protections include CE conformity and IP-rated enclosures to withstand demanding environments, with SIL-capable configurations in broader ABB drive families for safety-focused applications. With a 125A rating in standard configurations, this model scales across a range of pumps, fans, and conveyors. The platform also supports common industrial protocols for easy integration, enabling faster commissioning and lower total cost of ownership over the equipment lifecycle.
Product Information
Feature: Precision motor speed control with built-in soft-start and torque management. Business impact: Reduces electrical inrush, minimizes mechanical shock, and extends motor life, delivering measurable energy savings in continuous duty applications. Application: In HVAC fans, pumps, and conveyors where reliable ramping improves process stability and reduces wear.Feature: Energy-efficient closed-loop control and adaptive ramping. Business impact: Optimized voltage and current curves cut energy consumption, lowering operating costs and improving compliance with plant energy targets. Application: Suitable for pumps and fans in process industries and material handling lines, especially where load varies.Feature: Installation ease and protocol compatibility. Business impact: Quick commissioning, fewer wiring errors, and seamless integration with control networks such as Modbus, EtherNet/IP, and PROFINET. Application: OEMs and system integrators deploying multi-drive architectures in manufacturing floors.Feature: Built-in protection and safety features. Business impact: Overload, short-circuit, and thermal protection reduce unplanned downtime and safeguard wiring and motors. Application: Harsh industrial environments where robust protection ensures uptime and compliance.Feature: Diagnostics, maintenance and ROI insights. Business impact: Predictive fault detection and event logging shorten maintenance windows and extend service intervals, delivering a favorable total cost of ownership. Application: Distributed motor control across plants, enabling scalable automation and standardized procedures.
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FAQs
For install, ensure three-phase power supply compatibility, proper enclosure rating for the environment, and correct wiring per the ACH550 installer guide. Plan for accessible cooling, proper cable routing, and confirmation of network interfaces (Modbus, EtherNet/IP) to support seamless PLC integration.
Expect smoother fan and pump operation, reduced electrical inrush during startup, and energy savings from optimized speed profiles. The drive supports soft-start sequences and torque control that minimize wear and improve process stability in HVAC systems.
Yes. The ACH550 family is designed for network compatibility with industrial protocols such as Modbus, EtherNet/IP, and other standard interfaces, enabling straightforward integration with PLCs and existing control architectures.
The ACH550 line commonly features CE conformity and supports protective enclosures suitable for industrial environments. Depending on configuration, SIL-capable safety options may be available, providing safety integration within broader automation systems.
The drive delivers energy savings through efficient speed control, reduces mechanical wear with soft-start, and lowers downtime via built-in diagnostics. Over the equipment lifecycle, these factors translate to a favorable return on investment and lower maintenance costs for multi-drive automation architectures.