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Allen-Bradley 440N-Z2NRS1B Non-Contact Interlock Switch for industrial safety applications

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Allen-Bradley 440N-Z2NRS1B

by Allen-Bradley

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OverviewElevate the safety and operational effectiveness of your industrial setting with the Allen-Bradley 440N-Z2NRS1B Non-Contact Interlock Switch. A core component of the Guardmaster 440N series, this robust safety device delivers dependable interlocking across diverse manufacturing and automation tasks. Its non-contact, magnetically encoded operation minimizes wear, prolonging the switch's service life and lowering maintenance needs. Perfect for machine safeguarding, safety barriers, and point-of-access control, the 440N-Z2NRS1B ensures equipment remains secured until safe for operation, averting accidents and safeguarding personnel. With a generous 10-meter cable, installation flexibility is a key advantage, enabling seamless integration into various control systems. Rely on Allen-Bradley's reputation for superior quality and innovation to secure your facility.Key Features Magnetically Coded Security Provides formidable tamper resistance, preventing easy circumvention and guaranteeing high-level safety integrity. Non-Contact Operation Eliminates direct physical interaction between components, drastically reducing component degradation for enhanced durability and reliability compared to traditional mechanical switches. Dual N.C. Reed Contacts Incorporates two Normally Closed (N.C.) reed switch contacts, offering redundant safety circuits for increased personnel protection. Extended 10m Cable A substantial 10-meter cable length provides significant flexibility for mounting and connecting to control systems, optimizing installation time and effort. MC1 Actuator Compatibility Specifically engineered for effortless integration and peak performance with MC1 actuators, ensuring a perfect match for your safety system. Robust Industrial Design Manufactured by Allen-Bradley, a leader in industrial automation, ensuring a durable and long-lasting solution for demanding operational conditions. Technical Specifications Manufacturer: Allen-Bradley (Rockwell Automation) Series: 440N Model: 440N-Z2NRS1B Type: Non-Contact Interlock Switch Coding Type: Magnetically Coded Contact Type: 2 N.C. (Normally Closed) Reed Switches Cable Length: 10 meters Actuator Compatibility: MC1 LED Indicator: None Applications Machine Guarding Crucial for securing safety gates and access points on machinery to inhibit operation when protective guards are open. Safety Gates Delivers reliable interlocking for hinged, sliding, and removable safety gates within automated production lines. Access Control Guarantees safe entry and exit protocols in hazardous zones through continuous monitoring of door and panel positions. Conveyor Systems Integrates into conveyor safety circuits to halt movement upon unauthorized entry or guard removal. Packaging Machinery Enhances the safety of high-speed packaging equipment by ensuring all protective covers are securely fastened. Robotics Workcells Essential for enabling secure human-robot interaction by interlocking access to potentially hazardous robotic work envelopes. Why Choose This Model? Uncompromised Safety Benefit from Allen-Bradley's renowned safety engineering, providing peace of mind through reliable, tamper-resistant interlocking. Exceptional Durability The non-contact design significantly extends the switch's operational lifespan, reducing replacement costs and boosting uptime. Effortless Integration The 10-meter cable and MC1 actuator compatibility simplify installation and ensure smooth integration into existing or new safety systems. Reduced Maintenance Burden With fewer moving parts, this interlock switch demands minimal maintenance, allowing your team to focus on core production activities. Industry-Leading Brand Invest in quality and reliability with Allen-Bradley, a brand synonymous with industrial automation excellence and global support. Order NowSecure your industrial environment with the Allen-Bradley 440N-Z2NRS1B Non-Contact Interlock Switch. Experience the advantages of elevated safety, increased reliability, and versatile installation. This critical safety component is in stock and ready to ship, helping to enhance your operational security without delay.FAQWhat is the primary benefit of a non-contact interlock switch?A non-contact interlock switch greatly reduces wear and tear because there are no physical parts making contact, leading to a longer operational life and less maintenance compared to traditional mechanical switches.How does the magnetically coded security feature work?The magnetically coded security prevents easy tampering or bypasses by ensuring the switch only operates when it detects a specific magnetic signature from its corresponding actuator, enhancing overall safety integrity.Can this switch be used with any actuator?No, the Allen-Bradley 440N-Z2NRS1B is specifically designed for seamless integration and optimal performance with MC1 actuators to ensure a perfect compatibility within your safety system.What is the advantage of the 10-meter cable length?The extended 10-meter cable provides significant flexibility for mounting options and connecting the switch to control systems, simplifying installation and reducing effort, especially in larger or more complex setups.What types of applications benefit most from this device?This device is ideal for applications requiring robust machine guarding, reliable safety gate interlocking, secure access control in hazardous zones, and enhancing safety in conveyor systems, packaging machinery, and robotics workcells.

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$267.99
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PRODUCT DETAILS

Allen-Bradley 440N-Z2NRS1B

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Manufacturer: Allen-Bradley (Rockwell Automation)
  • Series: 440N
  • Model: 440N-Z2NRS1B
  • Type: Non-Contact Interlock Switch
  • Coding Type: Magnetically Coded
  • Contact Type: 2 N.C. (Normally Closed) Reed Switches
  • Cable Length: 10 meters
  • Actuator Compatibility: MC1
  • LED Indicator: None

Applications

  • Machine Guarding

    Crucial for securing safety gates and access points on machinery to inhibit operation when protective guards are open.

  • Safety Gates

    Delivers reliable interlocking for hinged, sliding, and removable safety gates within automated production lines.

  • Access Control

    Guarantees safe entry and exit protocols in hazardous zones through continuous monitoring of door and panel positions.

  • Conveyor Systems

    Integrates into conveyor safety circuits to halt movement upon unauthorized entry or guard removal.

  • Packaging Machinery

    Enhances the safety of high-speed packaging equipment by ensuring all protective covers are securely fastened.

  • Robotics Workcells

    Essential for enabling secure human-robot interaction by interlocking access to potentially hazardous robotic work envelopes.

Why Choose the 440N-Z2NRS1B?

  • Uncompromised Safety

    Benefit from Allen-Bradley's renowned safety engineering, providing peace of mind through reliable, tamper-resistant interlocking.

  • Exceptional Durability

    The non-contact design significantly extends the switch's operational lifespan, reducing replacement costs and boosting uptime.

  • Effortless Integration

    The 10-meter cable and MC1 actuator compatibility simplify installation and ensure smooth integration into existing or new safety systems.

  • Reduced Maintenance Burden

    With fewer moving parts, this interlock switch demands minimal maintenance, allowing your team to focus on core production activities.

  • Industry-Leading Brand

    Invest in quality and reliability with Allen-Bradley, a brand synonymous with industrial automation excellence and global support.

Availability & Shipping

  • In stock: 440N-Z2NRS1B ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 440N-Z2NRS1B ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

A non-contact interlock switch greatly reduces wear and tear because there are no physical parts making contact, leading to a longer operational life and less maintenance compared to traditional mechanical switches.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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