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Allen Bradley 440N-Z21W1PB
by Allen-Bradley
Read verified buyer reviews ↓OverviewElevate your facility's safety measures with the Allen-Bradley 440N-Z21W1PB non-contact interlock switch. This essential safety component employs advanced magnetically coded MC2 technology, delivering outstanding tamper resistance and unchanging operational reliability. Tailored for critical safety functions, the 440N-Z21W1PB guarantees peak operational security and regulatory adherence, safeguarding both personnel and machinery. Its sturdy construction and intelligent design make it an indispensable asset in modern automated industrial settings.Key Features Advanced Magnetically Coded MC2 Technology: Provides excellent resistance to tampering, preserving the integrity of your safety systems and preventing unauthorized bypasses. Dual N.C. Solid-State Relay Safety Outputs: Equipped with two normally closed safety outputs for trustworthy and redundant safety supervision, boosting system dependability. Integrated 1 x PNP Auxiliary Output: Features a 0.2A maximum auxiliary output for improved system feedback and diagnostic capabilities. Clear LED Status Indicator: Simplifies troubleshooting and monitoring with immediate visual feedback on the switch's operational state. Durable IP67 Enclosure Rating: Offers exceptional safeguarding against dust and water ingress, making it suitable for demanding industrial conditions. Extended 10m PVC Cable: Provides adaptable installation options, enabling versatile placement within intricate machinery and production lines. Wide Operating Temperature Range: Functions dependably across a temperature spectrum of -10°C to +55°C (+14°F to +131°F), confirming its resilience in various environments. Technical Specifications Model Number: 440N-Z21W1PB Technology: Magnetically Coded MC2 Safety Outputs: 2 N.C. Solid-State Relay Outputs Auxiliary Output: 1 x PNP (0.2A max) Output Status (OFF): 0V DC Indicator: LED Status Indicator Cable Length: 10m Operating Voltage: 24V DC Enclosure Rating: IP67 Temperature Range: -10°C to +55°C (+14°F to +131°F) Applications Machine Guarding: Essential for safeguarding personnel by dependably overseeing the status of entry points and safety gates on hazardous machinery. Conveyor Systems: Crucial for maintaining safety in automated material handling operations, preventing incidents due to unexpected movement or access. Packaging Machines: Secures entry to 위험 areas within packaging lines, ensuring operator safety during operation and maintenance. Robotics and Automation: Integrates smoothly into advanced robotic cells and automated systems to provide dependable safety interlocking for personnel protection. Process Control Environments: Utilized in various process industries to monitor and regulate entry to critical zones, enhancing overall operational safety. General Industrial Automation: A multifaceted solution for a wide array of industrial applications requiring robust and tamper-resistant safety interlocking. Why Choose This Model? Unwavering Safety: The magnetically coded MC2 technology provides superior tamper resistance, making it almost impossible to bypass, thereby ensuring the highest level of safety. Effortless Diagnostics: The integrated LED indicator offers instant visual feedback, significantly reducing downtime by simplifying troubleshooting and status checks. Engineered for Durability: With an IP67 enclosure rating and a broad operating temperature range, this switch is designed to endure the most challenging industrial environments, ensuring longevity and consistent performance. Flexible Installation: The generous 10m PVC cable allows for greater adaptability in mounting and wiring, reducing installation complexities in diverse industrial layouts. Dependable Performance: Backed by Allen-Bradley's reputation for quality, the 440N-Z21W1PB delivers consistent and reliable safety monitoring, vital for maintaining operational integrity. Enhanced System Integration: The multiple outputs, including auxiliary feedback, ease integration into existing control architectures. Order NowUpgrade your safety systems today with the Allen-Bradley 440N-Z21W1PB Non-Contact Interlock Switch.FAQWhat is magnetically coded MC2 technology?Magnetically coded MC2 technology is an advanced sensing method that uses unique magnetic patterns for safety interlocking. This design prevents unauthorized tampering and ensures the highest level of security for industrial machinery.What does the IP67 enclosure rating mean for this product?An IP67 enclosure rating signifies that the device is fully protected against dust ingress and can withstand immersion in water up to 1 meter for 30 minutes. This makes the 440N-Z21W1PB suitable for harsh industrial environments prone to dust and moisture.Can this switch be used in extreme temperatures?Yes, the Allen-Bradley 440N-Z21W1PB is designed to operate reliably across a wide temperature range of -10°C to +55°C (+14°F to +131°F), making it suitable for various climates and industrial conditions.How does the auxiliary output improve system integration?The integrated 1 x PNP auxiliary output provides additional feedback to your control system, enabling enhanced diagnostics and monitoring. This facilitates easier integration into existing setups and improves overall system awareness without compromising safety circuits.What types of applications benefit most from this safety switch?This safety switch is ideal for applications requiring robust tamper resistance and reliable safety monitoring, such as machine guarding, conveyor systems, packaging machinery, robotics, and general industrial automation where personnel and machinery protection are paramount.
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Allen Bradley 440N-Z21W1PB
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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
- Model Number: 440N-Z21W1PB
- Technology: Magnetically Coded MC2
- Safety Outputs: 2 N.C. Solid-State Relay Outputs
- Auxiliary Output: 1 x PNP (0.2A max)
- Output Status (OFF): 0V DC
- Indicator: LED Status Indicator
- Cable Length: 10m
- Operating Voltage: 24V DC
- Enclosure Rating: IP67
- Temperature Range: -10°C to +55°C (+14°F to +131°F)
Applications
- Machine Guarding: Essential for safeguarding personnel by dependably overseeing the status of entry points and safety gates on hazardous machinery.
- Conveyor Systems: Crucial for maintaining safety in automated material handling operations, preventing incidents due to unexpected movement or access.
- Packaging Machines: Secures entry to 위험 areas within packaging lines, ensuring operator safety during operation and maintenance.
- Robotics and Automation: Integrates smoothly into advanced robotic cells and automated systems to provide dependable safety interlocking for personnel protection.
- Process Control Environments: Utilized in various process industries to monitor and regulate entry to critical zones, enhancing overall operational safety.
- General Industrial Automation: A multifaceted solution for a wide array of industrial applications requiring robust and tamper-resistant safety interlocking.
Why Choose the 440N-Z21W1PB?
- Unwavering Safety: The magnetically coded MC2 technology provides superior tamper resistance, making it almost impossible to bypass, thereby ensuring the highest level of safety.
- Effortless Diagnostics: The integrated LED indicator offers instant visual feedback, significantly reducing downtime by simplifying troubleshooting and status checks.
- Engineered for Durability: With an IP67 enclosure rating and a broad operating temperature range, this switch is designed to endure the most challenging industrial environments, ensuring longevity and consistent performance.
- Flexible Installation: The generous 10m PVC cable allows for greater adaptability in mounting and wiring, reducing installation complexities in diverse industrial layouts.
- Dependable Performance: Backed by Allen-Bradley's reputation for quality, the 440N-Z21W1PB delivers consistent and reliable safety monitoring, vital for maintaining operational integrity.
- Enhanced System Integration: The multiple outputs, including auxiliary feedback, ease integration into existing control architectures.
Availability & Shipping
- ▸In stock: 440N-Z21W1PB 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-Z21W1PB ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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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Independent Supplier Notice
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.