440R-N23120 | Allen-Bradley Safety Relay

Description 

The Allen-Bradley 440R-N23120 is a compact, single-function safety relay from the Guardmaster Minotaur MSR126.1R series, engineered for reliable monitoring of dual-channel safety devices such as emergency stop buttons, safety gates, and light curtains.

Technical Specifications 

Information About 440R-N23120

The Allen-Bradley 440R-N23120 is a compact safety relay designed to provide reliable monitoring of dual-channel safety inputs in industrial environments. As part of the Guardmaster Minotaur MSR126.1R series by Allen-Bradley, it’s engineered for versatility and compliance with stringent safety standards.

Key Features:

• Input Configuration: The 440R-N23120 supports dual-channel safety inputs with cross-fault detection, enhancing safety by detecting wiring errors and providing comprehensive system monitoring.

• Safety Outputs: It features two normally open (N.O.) safety-rated outputs, offering redundant safety switching paths to ensure reliable operation of emergency stop circuits, safety gates, and other safety devices.

• Reset Mechanism: Equipped with a monitored manual reset, it requires deliberate operator action to restart the system after a safety event, ensuring controlled system recovery.

• Power Supply: Operates on 24V AC/DC, making it compatible with standard industrial control power sources.

• Response Time: Provides a fast response time of approximately 15 milliseconds, ensuring immediate reaction to changes in safety input conditions.

• Mounting: The safety relay is designed for DIN-rail mounting, facilitating straightforward integration into control panels.

• Terminal Type: Fixed terminals offer secure and reliable wiring connections for consistent performance.

• Contact Ratings: Meets the highest safety standards, achieving Performance Level e (PL e) under ISO 13849-1, Safety Integrity Level 3 (SIL CL 3) per IEC 62061, and Category 4 under EN 954-1.

• Mechanical Durability: Rated for up to 2 million operations, ensuring long-lasting and dependable performance.

• Operating Temperature Range: Suitable for environments from -5°C to +55°C (23°F to 131°F), accommodating a variety of industrial operating conditions.

• Enclosure Ratings:

  • Housing: IP40 protection against solid objects.

  • Terminals: IP20 protection, suitable for standard control panel environments.

• Dimensions: Compact design with a width of 22.5 mm, height of 110 mm, and depth of 75 mm, supporting space-constrained installations.

The Allen-Bradley 440R-N23120 safety relay is a robust and dependable solution for industrial safety applications, combining reliable performance, comprehensive safety features, and durable construction to ensure operator and equipment protection.