Allen-Bradley 440R-B23020

Overview

The Allen-Bradley 440R-B23020 MSR5T Single Function Monitoring Safety Relay is engineered to provide robust and reliable safety circuit monitoring within diverse industrial environments. This essential component of any comprehensive safety system operates seamlessly on a versatile 24V AC/DC power supply, ensuring broad compatibility and dependable performance. Designed with precision, the MSR5T integrates seamlessly into applications demanding stringent safety standards and consistent operational integrity. It boasts a sophisticated configuration of 2 Normally Closed (N.C.) safety inputs, specifically tailored for connecting various safety devices such as emergency stop buttons, interlock switches, and light curtains. Furthermore, it incorporates 3 Normally Open (N.O.) safety outputs, crucial for interfacing with safety contactors and other control elements to initiate safe machine states. An additional 1 Normally Closed (N.C.) auxiliary output provides valuable diagnostic feedback or status indication, enhancing system visibility and troubleshooting capabilities. With user-selectable automatic or manual reset functions and convenient removable screw-type terminals, the MSR5T is not only high-performing but also remarkably easy to install, configure, and maintain, making it a cornerstone for modern industrial safety solutions.

Key Features

• Versatile Input/Output Configuration: Equipped with 2 N.C. safety inputs and 3 N.O. safety outputs, plus an additional 1 N.C. auxiliary output, offering comprehensive connectivity for various safety devices and control systems.
• Dual Reset Modes: Provides selectable automatic or manual reset functionality, allowing for flexible integration into different safety protocols and operational requirements.
• Compact & Space-Saving Design: Its slim, DIN rail-mounted form factor optimizes panel space, making it an ideal choice for control cabinets where room is at a premium.
• Effortless Installation & Maintenance: Features removable screw-type terminals that simplify wiring, reduce installation time, and facilitate quick, easy maintenance or system modifications.
• Robust Industrial Performance: Designed to operate reliably across a wide temperature range (-10°C to +55°C) and constructed to withstand demanding industrial conditions, ensuring long-term operational integrity.
• Global Safety Compliance: Certified with CE, UL, and cULus listings, guaranteeing adherence to international safety standards and regulatory requirements for worldwide application.
• Voltage Compatibility: Operates efficiently on a 24V AC/DC power supply, providing flexibility and compatibility with common industrial power systems.

Technical Specifications

• Model Number: 440R-B23020 (MSR5T)
• Power Supply: 24V AC/DC
• Safety Inputs: 2 N.C. (Normally Closed)
• Safety Outputs: 3 N.O. (Normally Open)
• Auxiliary Output: 1 N.C. (Normally Closed)
• Reset Modes: Automatic/Manual Reset (Selectable)
• Terminal Type: Removable Screw Terminals
• Mounting Type: DIN Rail
• Dimensions (H x W x D): 114mm x 22.5mm x 99mm (approx.)
• Operating Temperature: -10°C to +55°C
• Approvals: CE, UL, cULus Listed

Applications

• Machine Guarding Systems: Crucial for monitoring safety interlocks and ensuring operator protection in high-risk machinery such as conveyor systems, presses, and advanced robotic cells.
• Emergency Stop (E-Stop) Monitoring: Seamlessly integrates with emergency stop buttons to provide instantaneous and reliable shutdown of machinery in critical situations, minimizing potential hazards.
• Light Curtain & Safety Mat Integration: Compatible with light curtains and safety mats to establish protected perimeters, enhancing overall environmental safety in automated production lines.
• Access Control for Hazardous Zones: Monitors interlock mechanisms on safety gates and access doors, restricting unauthorized entry into dangerous areas of industrial plants.
• Packaging & Material Handling Equipment: Safeguards operators and machinery in fast-paced packaging lines and material handling systems, crucial for preventing accidents and ensuring smooth operations.
• General Industrial Safety Circuits: A versatile solution for a wide range of general-purpose safety circuit applications, contributing to a safer working environment across various industries.

Why Choose This Model?

• Unwavering Reliability: The Allen-Bradley 440R-B23020 MSR5T is built with industrial-grade components and rigorous testing, ensuring consistent and dependable safety monitoring, minimizing downtime and maximizing operational continuity.
• Optimal Space Utilization: Its compact 22.5mm width and DIN rail mountability make it an ideal choice for control panels with limited space, allowing for more efficient system designs without compromising safety functionality.
• Simplified Integration: With versatile input/output options and configurable reset modes, this safety relay offers unparalleled flexibility, easily adapting to existing and new safety architectures.
• Reduced Installation & Maintenance Costs: The thoughtfully designed removable screw terminals streamline the wiring process, significantly cutting down on installation time and making future maintenance or troubleshooting efforts more efficient and cost-effective.
• Enhanced Diagnostic Capabilities: The inclusion of an auxiliary output provides critical status feedback, enabling quicker identification of system issues and contributing to more proactive maintenance strategies.
• Trusted Brand Assurance: As an Allen-Bradley product, the 440R-B23020 MSR5T carries the hallmark of quality, innovation, and global support, giving you peace of mind in your safety investments.

Order Now

Elevate your industrial safety standards with the Allen-Bradley 440R-B23020 MSR5T Single Function Monitoring Safety Relay. Its robust feature set, compliance with global safety standards, and ease of use make it the optimal choice for safeguarding your personnel and machinery. Invest in superior protection and operational efficiency. Order yours today to ensure reliable safety circuit monitoring in your critical applications.