Allen-Bradley 20-750-S3

Allen-Bradley 20-750-S3 Network Safe Torque Off Module for PowerFlex 750

Overview

The Allen-Bradley 20-750-S3 is a Network Safe Torque Off (STO) option module designed for use with PowerFlex 750-Series AC drives, such as the PowerFlex 753 and 755. This module enables safety-rated STO functionality over EtherNet/IP or via a hardwired input, allowing for flexible integration into modern safety systems.

Key Features

• Provides Safe Torque Off (STO) functionality

• Supports both network-based STO (EtherNet/IP) and hardwired STO

• Enhances machine safety and simplifies wiring

• Compatible with PowerFlex 750-Series drives

• Helps achieve SIL 3 / PLe safety levels

• DIN rail or direct drive mounting option

Technical Specifications

• Manufacturer: Allen-Bradley / Rockwell Automation

• Part Number: 20-750-S3

• Module Type: Network Safe Torque Off (STO)

• Drive Compatibility: PowerFlex 750-Series (e.g., 753, 755)

• Communication Protocol: EtherNet/IP

• Safety Rating: Up to SIL 3 (IEC 61508) / PLe (ISO 13849-1)

• Mounting: Installed in drive option slot

• UPC / GTIN: 00889508483559

Applications

• Safety-critical machinery and equipment

• Packaging, robotics, material handling

• Systems requiring quick and safe torque shutdown

• Applications that benefit from network-integrated safety

Benefits

• Eliminates need for external relays or contactors

• Reduces wiring complexity and panel space

• Improves safety response times with network control

• Flexible architecture supports both hardwired and network STO

• Supports compliance with global safety standards

Shipping & Availability

The Allen-Bradley 20-750-S3 STO Module is available for worldwide shipping. 

PowerFlex 750-Series I/O, Feedback & Power Option Modules

Allen-Bradley Industrial Automation Products

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply