ABB 3AUA0000058221 ACS355 Drive Module - Safe Torque Off
Part Number: 3AUA0000058221
Quick Summary
The ACS355 Drive Module delivers compact, reliable speed and torque control for 3-phase motors in manufacturing lines. For engineers, the challenge is integrating precise motion control with built-in safety without adding bulky control electronics. The module includes Safe Torque Off and sequence programming, aligning with standard safety practices and regulatory expectations for industrial drives. By enabling efficient speed/torque control for both AC induction and permanent magnet motors, it supports improved machine uptime, energy efficiency, and scalable automation for manufacturers and integrators.
Product Information
Extended Description
3AUA0000058221 ABB: The ACS355 drives are designed to meet the requirements of an extensive range of machinery applications in food and beverage, material handling, lifting, textile, printing, rubber and plastics, and woodworking applications. The drive is user-friendly, yet it provides a wide range of built-in technology such as the safe torque off functionality and sequence programming, reducing the need for additional control electronics. The product offers options and diverse functionality to cater to the needs set for speed and torque control of AC induction and permanent magnet motors.
Feature: Built-in Safe Torque Off provides a comprehensive safety function directly in the drive. Impact: This eliminates the need for external safety relays, reducing panel space, wiring complexity, and potential fault points. Application: Ideal for conveyors, packaging lines, and automated assembly where safety interlocks must be reliable and easy to certify. Additionally, STO improves compliance with safety standards by reducing risk during motor startup and maintenance. Feature: Sequence programming lets you embed multi-step control logic inside the drive. Impact: It lowers the requirement for external PLCs, simplifies wiring, and shortens commissioning time. Application: Great for material handling, bottling lines, and textile equipment where precise multi-stage motions are common. Longer-term, the built-in logic supports process standardization across multiple machines. Feature: The drive offers precise speed and torque control for both AC induction and permanent magnet motors, with 480 V input. Impact: This broad motor compatibility reduces inventory, improves upgradeability, and supports consistent performance across legacy and new machines. Application: Food & beverage processing, lifting, and woodworking machinery that use mixed motor types. Documentation and application notes help integrators tune control loops for energy efficiency. Feature: Compact LV drive module with a user-friendly interface. Impact: Easier installation, faster commissioning, and reduced panel footprint translate to lower installation costs and maintenance effort. Application: OEM machines and end-user upgrades where space is at a premium. Compatibility with common ABB and third-party PLCs simplifies migration projects. Feature: Built-in diagnostics and monitoring capabilities enable proactive maintenance and faster fault localization. Impact: Early warning indicators and clear status reporting minimize unexpected downtime and support predictive maintenance programs. Application: Industrial automation lines in manufacturing and logistics environments that demand high availability. Remote diagnostics and event logging provide traceability for audits and continuous improvement.
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FAQs
Install the ACS355 drive in a ventilated panel, connect the 480 V supply to L1/L2/L3, wire the motor to U/V/W outputs, and set basic parameters (max frequency, acceleration/deceleration, current limit). Enable the built-in Safe Torque Off as required by your safety plan, then perform a controlled ramp test to verify motor direction and response.
Key performance is adjustable speed and torque control for 3-phase AC induction and permanent magnet motors, with Safe Torque Off for safety. The model ACS355-03U-15A6-4 supports 480 V input, integrated sequencing, and programmable fault handling, enabling smooth starts, controlled acceleration, and predictable torque across a wide load range.
Yes. The ACS355 is suited for food & beverage processing, material handling, lifting, and textile applications thanks to its built-in safety features, compact footprint, and programmable logic. Its 480 V compatibility and motor versatility make it a good fit for conveyors, mixers, hoists, and packaging lines, while STO supports stringent safety requirements.
Built-in Safe Torque Off provides hardware-free safety for startup and fault handling, supporting standard control architectures and safe interlock integration. The drive aligns with common industrial safety practices and regulatory expectations, aiding CE-compliance and machine certification while reducing downtime during audits.
Expected ROI comes from reduced panel space, fewer external controllers, and faster commissioning. Ongoing maintenance is simplified by built-in diagnostics and self-contained safety features, enabling proactive monitoring and fewer unexpected faults. The result is lower total cost of ownership and improved machine uptime in manufacturing environments.