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Allen-Bradley 440N-Z21S26H SensaGuard Plastic Barrel Sensor with M12 connector

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Allen-Bradley 440N-Z21S26H

by Allen-Bradley

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OverviewThe Allen-Bradley 440N-Z21S26H SensaGuard Plastic Barrel Sensor offers a cutting-edge solution for industrial safety applications, providing exceptional dependability and protection. This non-contact safety interlock sensor incorporates advanced RFID technology to ensure secure, tamper-resistant machine guarding, significantly boosting overall operational safety. Its compact 18mm barrel design, along with a 30mm plastic standard code actuator, makes it an optimal choice for installations with spatial constraints. With a guaranteed sensing range of 25mm (0.98 inches), the 440N-Z21S26H consistently delivers accurate performance in challenging environments. Integrated LED indicators for status and diagnostics streamline troubleshooting, minimizing downtime. A convenient 6-inch pigtail with an 8-pin M12 connector enables swift and secure integration into existing safety systems. Engineered for industrial resilience, this SensaGuard sensor boasts an IP69K ingress protection rating, offering complete resistance to dust, water jets, and high-pressure, high-temperature washdowns. This makes it particularly suitable for industries requiring rigorous hygiene, such as food and beverage processing, as well as general manufacturing with strict cleaning protocols. The 440N-Z21S26H meets global safety standards, including ISO 14119, UL, CSA, and CE M12, affirming its suitability for worldwide deployment. Its wide operational temperature range further enhances its adaptability across various climates. Opt for the Allen-Bradley 440N-Z21S26H to elevate machinery safety, improve efficiency, and ensure robust protection for personnel and equipment.Key Features Advanced RFID Technology: Delivers highly secure, tamper-proof sensing for enhanced safety. Compact 18mm Barrel Design: Facilitates easy installation in confined spaces and offers flexible mounting. 25mm Assured Sensing Distance: Guarantees consistent and reliable object detection, reducing false trips. IP69K Ingress Protection: Provides superior resistance to dust, water, and aggressive cleaning. Integrated LED Diagnostics: Clearly displays status and diagnostic feedback, simplifying maintenance. Quick-Connect M12 Pigtail: Features a 6-inch pigtail with an 8-pin M12 connector for fast, secure electrical hook-up. Global Safety Compliance: Adheres to international standards including ISO 14119, UL, CSA, and CE M12. Technical SpecificationsPart Number: 440N-Z21S26HSensor Type: Non-Contact Safety Sensor (RFID Technology)Barrel Diameter: 18mmActuator Type: 30mm Plastic Standard Code ActuatorAssured Sensing Distance: 25mm (0.98 in.)Connection Type: 6-inch Pigtail with 8-pin Micro (M12) ConnectorLED Indicators: Door Indication and DiagnosticsStandards Compliance: ISO 14119, UL, CSA, CE M12 MarkedOperating Voltage: 24V DCIngress Protection: IP69K (Dust and Water Resistant)Operating Temperature: -10°C to +55°C (14°F to 131°F)Applications Industrial Machine Guarding: Essential for safeguarding personnel from hazardous machinery in manufacturing environments. Packaging and Material Handling: Ensures the safe operation of automated packaging equipment and conveyor systems. Food and Beverage Processing: Perfectly suited for environments demanding frequent, high-pressure washdowns and stringent hygiene. Robotics and Automated Systems: Crucial for defining safe zones and preventing accidental contact with industrial robots. Pharmaceutical Manufacturing: Applicable in cleanroom environments requiring dependable, non-contact sensing and easy sanitation. Woodworking: Provides robust safety for machinery in woodworking industries. Why ChooseThe Allen-Bradley 440N-Z21S26H SensaGuard Sensor provides a robust and reliable solution for a wide range of industrial safety applications. Its advanced RFID technology ensures superior tamper resistance and precise detection, essential for protecting both personnel and valuable equipment. With its compact design, exceptional environmental resistance (IP69K), and adherence to global safety standards, this sensor guarantees consistent performance and longevity in even the most demanding settings. The integrated diagnostics and quick-connect M12 pigtail further simplify installation and maintenance, reducing operational downtime and increasing efficiency. Choosing the 440N-Z21S26H means investing in a high-performance safety device that enhances operational integrity and contributes to a safer working environment across various industries.Order NowEnhance your industrial safety systems by ordering the Allen-Bradley 440N-Z21S26H SensaGuard Plastic Barrel Sensor today. Contact us for competitive pricing and expert support.FAQWhat is the primary function of the 440N-Z21S26H sensor?The 440N-Z21S26H is a non-contact safety interlock sensor that uses RFID technology to provide secure and tamper-resistant machine guarding, enhancing operational safety by detecting the presence or absence of an actuator.What makes this sensor suitable for harsh environments?With an IP69K ingress protection rating, the sensor is completely resistant to dust, water jets, and high-pressure, high-temperature washdowns, making it ideal for industries with strict hygiene and demanding cleaning protocols.Can this sensor be used internationally?Yes, the 440N-Z21S26H complies with stringent global safety standards, including ISO 14119, UL, CSA, and CE M12, ensuring its suitability for worldwide deployment across various operational climates.How does the integrated LED indicator benefit users?The integrated LED indicators provide clear door status and diagnostic feedback, which simplifies troubleshooting and reduces maintenance time, helping to minimize operational downtime.What type of connection does the sensor use?The sensor features a 6-inch pigtail with an 8-pin Micro (M12) connector, ensuring quick, secure, and straightforward integration into existing safety circuits and electrical systems.

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PRODUCT DETAILS

Allen-Bradley 440N-Z21S26H

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

Part Number: 440N-Z21S26H
Sensor Type: Non-Contact Safety Sensor (RFID Technology)
Barrel Diameter: 18mm
Actuator Type: 30mm Plastic Standard Code Actuator
Assured Sensing Distance: 25mm (0.98 in.)
Connection Type: 6-inch Pigtail with 8-pin Micro (M12) Connector
LED Indicators: Door Indication and Diagnostics
Standards Compliance: ISO 14119, UL, CSA, CE M12 Marked
Operating Voltage: 24V DC
Ingress Protection: IP69K (Dust and Water Resistant)
Operating Temperature: -10°C to +55°C (14°F to 131°F)

Applications

  • Industrial Machine Guarding: Essential for safeguarding personnel from hazardous machinery in manufacturing environments.
  • Packaging and Material Handling: Ensures the safe operation of automated packaging equipment and conveyor systems.
  • Food and Beverage Processing: Perfectly suited for environments demanding frequent, high-pressure washdowns and stringent hygiene.
  • Robotics and Automated Systems: Crucial for defining safe zones and preventing accidental contact with industrial robots.
  • Pharmaceutical Manufacturing: Applicable in cleanroom environments requiring dependable, non-contact sensing and easy sanitation.
  • Woodworking: Provides robust safety for machinery in woodworking industries.

Why Choose the 440N-Z21S26H?

The Allen-Bradley 440N-Z21S26H SensaGuard Sensor provides a robust and reliable solution for a wide range of industrial safety applications. Its advanced RFID technology ensures superior tamper resistance and precise detection, essential for protecting both personnel and valuable equipment. With its compact design, exceptional environmental resistance (IP69K), and adherence to global safety standards, this sensor guarantees consistent performance and longevity in even the most demanding settings. The integrated diagnostics and quick-connect M12 pigtail further simplify installation and maintenance, reducing operational downtime and increasing efficiency. Choosing the 440N-Z21S26H means investing in a high-performance safety device that enhances operational integrity and contributes to a safer working environment across various industries.

Availability & Shipping

  • In stock: 440N-Z21S26H 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-Z21S26H ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 440N-Z21S26H is a non-contact safety interlock sensor that uses RFID technology to provide secure and tamper-resistant machine guarding, enhancing operational safety by detecting the presence or absence of an actuator.

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.

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Product Condition & Firmware

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