ABB ACS355-03U-44A0-4 Drive Module - Safe Torque Off
Part Number: 3AUA0000058225
Quick Summary
ABB ACS355-03U-44A0-4 drive module is a compact LVAC motor drive for precise speed control in manufacturing machinery. If your lines require quick commissioning and minimal external control electronics, this module reduces integration time and engineering overhead. Common certifications for drives of this class include CE marking for EU markets and built-in safety features like Safe Torque Off, with programmable sequences to meet machine safety standards. Designed for flexible automation, it supports torque control of both induction and permanent magnet motors, lowering total cost of ownership and enabling scalable solutions across diverse lines. With applications spanning packaging, material handling, lifting, textiles, printing, and woodworking, it fits a broad range of industrial requirements.
Product Information
Extended Description
3AUA0000058225 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: Safe Torque Off and sequence programming → Business Impact: enhanced safety and reduced external hardware; Application: packaging lines and conveyors. Safe torque off reduces the need for separate safety relays and simplifies compliance with machine safety standards while maintaining uptime. Feature: Built-in speed and torque control for AC induction and permanent magnet motors → Business Impact: broad motor compatibility lowers spare-part needs and inventory; Application: material handling, lifting, and textiles. This versatility minimizes redesign work when changing line configurations or motor types. Feature: 480 V LVAC drive capability → Business Impact: strong performance in common industrial networks; Application: lift systems and printing presses. Reduces panel space and wiring complexity by consolidating drive and control functions. Feature: Easy commissioning and installation → Business Impact: shorter project timelines and lower engineering costs; Application: retrofits and new line launches. Intuitive parameter sets and diagnostic tools accelerate startup. Feature: Compact footprint with integrated control → Business Impact: saves panel space and simplifies maintenance; Application: small-footprint machinery in wood processing and packaging. Fewer connection points and centralized diagnostics improve reliability.
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FAQs
Begin by verifying a three-phase 480 V supply and proper protective grounding. Connect the L1/L2/L3 inputs to the drive, wire the motor to U/V/W output terminals, and connect a suitable earth ground. Enable Safe Torque Off (STO) in the parameter set, and configure basic motor parameters (Rated Motor Power, Voltage, and Current). Use ABB’s installation manual for step-by-step terminal mapping and commissioning routines to ensure safe, compliant startup.
The ACS355-03U-44A0-4 supports variable speed control suitable for both AC induction and permanent magnet motors, providing broad torque opportunities within the motor’s rated capabilities. Exact speed ranges depend on motor type and system wiring, but the drive is designed to deliver smooth velocity profiles, torque limit settings, and programmable acceleration/deceleration to match load requirements. Refer to the motor nameplate and the ABB parameter guide for precise values.
Yes. The ACS355 module’s built-in Safe Torque Off, sequence programming, and versatile motor compatibility make it well-suited for packaging and material handling lines. Its compact footprint simplifies panel design, while integrated control and diagnostic features reduce wiring and commissioning time, delivering safer operation and faster time-to-value in automated conveyors and lifting systems.
Certification details vary by region; typical requirements include CE compliance for Europe and safety-function certifications for industrial automation. For the ACS355-03U-44A0-4, always verify the official datasheet or ABB regional documentation for current CE/SIL/IP status and any region-specific addenda. This ensures alignment with your facility’s regulatory and safety standards before deployment.
The ACS355 reduces total cost of ownership through fewer external safety relays, streamlined wiring, and faster commissioning, which lowers installation labor. Its built-in STO and programmable sequences improve machine uptime and safety, while compatibility with both induction and PM motors supports design flexibility. ROI will vary by application, but projects typically see quicker start-up, easier maintenance, and energy-efficient operation.