ABB 3AUA0000157210 LV AC drive module - Safe Torque Off
Part Number: 3AUA0000157210
Quick Summary
ACS355 drive module provides precise speed control for LV AC machinery in diverse manufacturing applications. Engineers often struggle to balance safety, programming flexibility, and motor compatibility within a compact footprint. This ABB module delivers Safe Torque Off, sequence programming, and broad compatibility with both AC induction and permanent magnet motors, enabling safer, smarter automation. With built-in technology that reduces external control electronics and simplifies setup, it also supports a wide range of industrial applications from food and beverage to material handling. By pairing a user-friendly interface with flexible control options, this drive lowers integration time, minimizes total ownership cost, and accelerates time-to-production across multiple lines and processes.
Product Information
Extended Description
3AUA0000157210 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 is built into the ACS355 family, reducing the need for external safety relays and improving machine safety. Business Impact: Lower risk of accidental startup, shorter safety commissioning, and compliant risk reduction. Application: conveyors and packaging lines where safety interlocks are critical. Feature: Sequence programming enables complex control logic without extra PLCs, cutting hardware and programming costs. Business Impact: Faster commissioning, easier changeovers, and improved process repeatability. Application: automated assembly and material handling lines that require deterministic control. Feature: Wide motor compatibility supports both AC induction and permanent magnet motors, expanding project scope. Business Impact: One drive can drive multiple machine types, reducing spare parts and training needs. Application: pumps, fans, and extrusion equipment in plastics or textiles. Feature: 1.5 kW, 4.1 A rating with LV operation optimizes energy use and motor performance. Business Impact: Efficient speed control lowers energy spend and extends motor life. Application: solar pump systems and compact machinery in food processing. Feature: Compact, user-friendly design simplifies installation and maintenance. Business Impact: Shorter install times, fewer field errors, and easier on-site servicing. Application: retrofits and new lines in tight Electrical & Instrumentation spaces.
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FAQs
The ACS355 drive module supports both AC induction motors and permanent magnet (PM) motors. Compatibility depends on motor nameplate current, voltage, and shaft power. Verify the motor’s rated current does not exceed 4.1 A and that the motor is suitable for low-voltage AC drive control. If in doubt, consult ABB documentation or your ABB distributor for a formal compatibility check.
Begin by power sequencing the drive according to the user manual. Connect the three-phase supply to the L1, L2, and L3 inputs, and wire the motor to U/T1, V/T2, and W/T3 outputs. Enable Safe Torque Off via the safety terminals, set motor parameters (power, current, and velocity limits), and perform a basic run test with a controlled ramp to verify proper operation and protection functions.
Safe Torque Off is integrated in the ACS355 family to disable motor torque safely without stopping power. Configure STO through the drive’s parameter settings or the programming interface, linking STO to your safety system. Verify STO status during a mock fault and confirm that the drive prevents unintended motion while maintaining overall system safety.
Industries such as food & beverage, material handling, lifting, textile, printing, rubber and plastics, and woodworking benefit from ACS355 drives. Typical deployments include pumps, conveyors, lifting equipment, and compact machines where reliable speed control, safety features, and easy integration reduce commissioning time and spare parts needs.
ROI comes from reduced wiring, fewer external controllers, and energy-efficient speed control that lowers energy costs. Maintenance benefits include built-in protection and Safe Torque Off reducing wear and risk. Expect shorter downtime due to simpler commissioning, quicker fault isolation, and a scalable platform for future line upgrades.