Allen-Bradley 440R-EM4R2

Overview

The Allen-Bradley 440R-EM4R2 Guardmaster Safety Expansion Module is an essential component for significantly enhancing the output capacity and flexibility of your existing safety control systems. Engineered by industry leader Allen-Bradley, this robust module is designed to seamlessly integrate with their renowned Guardmaster family of safety relays, providing a scalable solution for complex safety applications. Operating efficiently on a standard 24V DC power supply, the 440R-EM4R2 ensures reliable performance in demanding industrial environments.

This expansion module is equipped with a comprehensive set of inputs and outputs to meet diverse safety requirements. It boasts four (4) Normally Open (N.O.) immediate safety outputs, allowing for direct and rapid actuation of safety devices such as contactors, motor starters, and hydraulic valves. For advanced safety logic and system interconnection, it includes one (1) Normally Closed (N.C.) single-wire safe input and one (1) N.C. single-wire safe output, enabling efficient daisy-chaining and communication within a safety network. Furthermore, a dedicated N.C. solid-state auxiliary output provides immediate status signaling to PLCs or other control systems, offering valuable diagnostic information without compromising safety circuit integrity. Its compact, DIN-rail mountable design and removable terminals simplify installation, maintenance, and field replacement, making the 440R-EM4R2 an intelligent choice for optimizing safety system performance and compliance.

Key Features

• Dedicated Safety Expansion: Specifically engineered to extend the output capabilities of Allen-Bradley Guardmaster safety relays.
• 4 N.O. Immediate Safety Outputs: Provides rapid and direct control for multiple safety-related devices, enhancing system response time.
• Flexible Single-Wire Safety I/O: Features 1 N.C. single-wire safe input and 1 N.C. single-wire safe output for streamlined integration and cascading of safety functions.
• Comprehensive Diagnostics: Includes 1 N.C. solid-state auxiliary output for real-time status signaling and improved system monitoring.
• Robust 24V DC Operation: Ensures reliable and consistent performance within standard industrial control circuits.
• Effortless Installation & Maintenance: Equipped with removable terminals and a compact DIN-rail mount design for quick setup and simplified service.
• High Safety Integrity: Compliant with ISO 13849-1 (up to PLe) and IEC 62061 (up to SIL 3) for stringent safety standard adherence.

Technical Specifications

• Catalog Number: 440R-EM4R2
• Type: Expansion Safety Relay Module
• Brand: Allen-Bradley Guardmaster
• Power Supply: 24V DC
• Safety Inputs: 1 N.C. Single-Wire Input
• Safety Outputs: 4 N.O. Relay Outputs
• Safe Output Pass-Through: 1 N.C. Single-Wire Output
• Auxiliary Output: 1 N.C. Solid-State Output
• Mounting: DIN Rail
• Terminals: Removable
• Operating Temperature: -5°C to +55°C
• Standards Compliance: ISO 13849-1 (up to PLe), IEC 62061 (up to SIL 3)

Applications

• Advanced Machine Safety Systems: Ideal for expanding the output capacity of safety circuits in complex machinery and automated lines.
• Emergency Stop (E-Stop) Systems: Enhances the reliability and scalability of E-Stop circuits by providing additional controlled outputs.
• Industrial Equipment Safety Upgrades: A critical add-on for integrating multi-device safety control in diverse industrial setups.
• Safety Gate & Interlock Monitoring: Extends safety monitoring capabilities for interlocking guards and access points.
• Robotics & Automation Industry: Supports the implementation of intricate safety zones and responsive shutdown procedures.
• Process Control Systems: Provides dependable safety isolation and control for critical process steps.

Why Choose the 440R-EM4R2?

• Seamless Guardmaster Integration: Designed for effortless compatibility, ensuring quick setup and reliable performance within your existing Allen-Bradley Guardmaster safety architecture.
• Enhanced Safety Output Flexibility: Offers essential output expansion, allowing for sophisticated control of multiple safety functions from a single, unified safety system.
• Uncompromised Safety Certifications: Meets rigorous international safety standards, including up to SIL 3 and PLe, providing peace of mind and regulatory compliance.
• Simplified Wiring and Maintenance: Featuring removable terminals and a DIN-rail mountable design, it drastically reduces installation time and simplifies future servicing.
• Global Availability & Support: Allen-Bradley's worldwide network ensures availability, reliable support, and access to comprehensive technical documentation.
• Future-Proof Your Safety System: Invest in a scalable solution that can adapt to evolving safety requirements and expand with your operational needs.

Order Now

Elevate your industrial safety standards with the Allen-Bradley 440R-EM4R2 Guardmaster Safety Expansion Module. This crucial component is currently in stock and available for fast worldwide shipping, ensuring your operations remain safe and compliant without delay. Should you have any questions regarding compatibility with your current Guardmaster safety relay setup, our expert team is ready to assist.

For a complete overview of all available models and specifications in this product family, please visit our Guardmaster 440R Safety Relays main category. To explore the extensive range of Allen-Bradley industrial automation solutions, including controllers, drives, motors, HMIs, and accessories, continue to our Allen-Bradley Industrial Automation Products master category.