440NZ2NRS1A

Overview of Allen Bradley 440N-Z2NRS1A

The Allen Bradley 440N-Z2NRS1A is a Magnetically Coded Non-Contact Interlock Switch from the renowned Guardmaster series. Designed for industrial safety applications, this device provides reliable access control and machine safeguarding without physical contact. Its MC1 magnetic coding ensures only authorized actuators can trigger the switch, reducing the risk of tampering and unintended access. With a compact plastic housing, the 440N-Z2NRS1A is built for durability in harsh plant environments. Integral to safety systems, it supports compliance with international standards and helps prevent unauthorized machine operation.

Key Features of Allen Bradley 440N-Z2NRS1A

• Magnetically coded (MC1) for enhanced security and tamper resistance
• Non-contact switching for minimal wear and long service life
• Two normally closed (N.C.) reed switch safety contacts
• No integrated LED indicator for simplified, robust design
• Standard mounting with 2 x M4 screws
• High tolerance to misalignment for flexible installation
• Certified to CE, UL Listed, and Eurasian Economic Community safety standards
• Includes a 3-meter PVC cable for flexible wiring options
• Small flat pack plastic housing for space-saving installation
• Designed for compatibility with Guardmaster safety relays and controllers

Technical Specs of Allen Bradley 440N-Z2NRS1A

Applications / Use Case

The Allen Bradley 440N-Z2NRS1A is ideal for safety-critical applications where preventing unauthorized machine access is essential. It is widely used in industrial automation, including robotic cells, packaging lines, and material handling systems. The non-contact design reduces mechanical wear, making it suitable for high-cycle applications. Engineers select this device for its compatibility with safety relays and PLCs, ensuring integrated safety control loops. The magnetic coding feature adds an extra layer of security, addressing risks in environments where intentional interference could compromise safety. With robust certification, the 440N-Z2NRS1A is a trusted choice for meeting OSHA, ISO, and other regulatory requirements.

Related Resources

• LeadTime.ca – Industrial Automation Components & Repair Services
• Browse Allen Bradley Products at LeadTime.ca
• Examples of Industrial Automation and Control Systems Explained
• Allen Bradley 194E-SY Disconnect Switch – Safety Device Options
• Allen Bradley PowerFlex 525 AC Drive – Motor Control Solutions