440R-M23084

Overview of Allen Bradley 440R-M23084

The Allen Bradley 440R-M23084 is a single-function safety relay from the Guardmaster Safety Relays series, manufactured by Rockwell Automation. This device is engineered for reliable machine safeguarding, offering configurable functions to suit a variety of industrial automation needs. It operates on a 24V AC/DC power supply and is housed in a compact, universal design for easy integration into control panels. The 440R-M23084 supports multiple input configurations, including single and dual normally closed contacts or a direct light curtain connection, making it adaptable for diverse safety applications. With options for both manual and automatic monitored reset, this relay provides flexibility in system design while maintaining high safety standards. Its construction meets international certifications, ensuring compliance in global markets.

Key Features of Allen Bradley 440R-M23084

• Single-function safety relay with configurable input and output options
• Operates on 24V AC/DC power supply
• Supports 1 N.C. contact, 2 N.C. contacts, or a light curtain input
• Two normally open (N.O.) safety outputs; optional delayed outputs (2 N.O., 1 N.C.)
• Removable terminal blocks for quick wiring and maintenance
• Monitored manual or automatic/manual reset
• Compact 45 mm housing width for space-efficient panel mounting
• CAT 4 rated for high-integrity safety applications

Technical Specs of 440R-M23084

Applications / Use Case

The Allen Bradley 440R-M23084 is ideal for machine safeguarding systems where reliable safety monitoring is critical. Typical applications include integration with light curtains, emergency stop circuits, gate monitoring, and other safety-critical controls in manufacturing, packaging, and material handling equipment. Its flexible input and output configurations allow it to interface with a range of safety devices, while the compact design and removable terminals simplify installation and maintenance. The relay’s delayed output option is particularly useful for systems requiring sequenced shutdown or controlled access. With CAT 4 rating and international certifications, the 440R-M23084 is suited for use in demanding industrial environments that require high levels of safety compliance and operational reliability.

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