Product Overview:

The Allen-Bradley 440R-B23020 MSR5T Single Function Monitoring Safety Relay is a compact and reliable solution for safety circuit monitoring in industrial environments. Operating on a 24V AC/DC power supply, this safety relay is designed for applications requiring dependable safety performance. It features 2 N.C. safety inputs, 3 N.O. safety outputs for connecting safety devices, and an additional 1 N.C. auxiliary output. With a selectable automatic or manual reset function and removable screw-type terminals, the MSR5T ensures easy installation and operation.

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
• 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

Benefits:

• Reliable Monitoring: Provides dependable safety circuit monitoring to ensure operator and equipment safety.
• Compact Design: Slim DIN rail-mounted design saves space in control panels.
• Versatile Connectivity: Supports multiple safety devices through 2 N.C. inputs and 3 N.O. outputs.
• Easy Installation: Removable screw terminals simplify wiring and reduce installation time.
• Reset Options: Offers both automatic and manual reset modes for application flexibility.
• Robust Construction: Designed to withstand industrial operating conditions and comply with international safety standards.

Applications:

• Machine Guarding Systems: Ensures operator safety in applications such as conveyor systems, presses, and robotic cells.
• Emergency Stop Monitoring: Integrates with emergency stop buttons to provide quick and reliable shutdown of machinery.
• Light Curtains: Compatible with light curtains to enhance perimeter safety in automated environments.
• Access Control: Monitors interlocks and access gates in hazardous areas to restrict unauthorized entry.
• Packaging Equipment: Protects operators and equipment in high-speed packaging lines.

Key Features:

• Multiple Outputs: Three normally open safety outputs for controlling safety devices.
• Auxiliary Feedback: One normally closed auxiliary output for diagnostic or status feedback.
• Flexible Reset: Selectable automatic or manual reset to match application requirements.
• Removable Terminals: Simplifies wiring and maintenance with detachable screw terminals.
• Compact Size: Space-saving design fits seamlessly into crowded control panels.
• Global Compliance: Certified to meet international safety standards for industrial applications.

Why Choose Allen-Bradley 440R-B23020 MSR5T Safety Relay?

The Allen-Bradley 440R-B23020 MSR5T Safety Relay is an ideal choice for safeguarding industrial machinery and protecting operators. Its versatile input/output configuration, compact design, and easy installation make it a reliable and efficient solution for safety circuit monitoring. Backed by Allen-Bradley’s reputation for quality and performance, this relay ensures safety compliance while minimizing downtime and improving operational efficiency. Whether for emergency stop monitoring or machine guarding, the MSR5T is the trusted choice for industrial safety.