Allen-Bradley 440N-Z21U26H | SensaGuard Non-Contact Interlock Switch

Overview:

The Allen-Bradley 440N-Z21U26H is a SensaGuard non-contact interlock switch, designed for high-reliability safety applications using RFID technology. With an 18mm plastic cylindrical barrel and a unique-coded actuator, this switch ensures secure and tamper-resistant operation.

Offering an assured sensing distance of 25mm (0.98in.), LED door status indication, and 2 x PNP safety outputs (0.2A max) plus 1 auxiliary output, the 440N-Z21U26H is ideal for machine guarding, access control, and industrial safety applications.

Key Features:

• Non-Contact RFID Interlock Switch – Provides secure and tamper-proof safety monitoring
• 18mm Plastic Cylindrical Barrel – Compact and durable design
• Unique Code Actuator – Enhances security by preventing bypassing
• 25mm (0.98in.) Assured Sensing Distance – Ensures reliable activation
• LED Indication for Door Status & Diagnostics – Facilitates quick troubleshooting
• 2 x PNP Safety Outputs (0.2A max) – Supports safety circuits
• 1 x PNP Auxiliary Output (0.2A max) – For status monitoring
• 6-Inch Pigtail with 8-Pin Micro (M12) Connector – Enables easy wiring and integration

Technical Specifications:

• Model: 440N-Z21U26H
• Technology: RFID Non-Contact Safety Switch
• Actuator Type: Unique Code
• Sensing Distance: 25mm (0.98in.)
• Housing Material: Plastic
• Barrel Diameter: 18mm
• Safety Outputs: 2 x PNP (0.2A max)
• Auxiliary Output: 1 x PNP (0.2A max)
• LED Indicators: Door Status & Diagnostics
• Connector Type: 8-Pin Micro (M12) with 6-inch Pigtail
• Mounting: Panel/Surface Mount
• Certifications: UL, CE, RoHS

Applications:

• Machine Guarding & Safety Systems – Ensures safe access control
• Automated Industrial Equipment – Provides non-contact safety monitoring
• Packaging & Material Handling – Enhances operator protection
• Robotics & High-Speed Machinery – Prevents unauthorized access to hazardous areas
• Food & Beverage Processing – Non-contact operation ensures hygienic safety compliance

Why Choose the Allen-Bradley 440N-Z21U26H?

The Allen-Bradley 440N-Z21U26H SensaGuard non-contact interlock switch offers RFID-based safety, reliable tamper-proof operation, and easy integration with industrial safety systems, making it an ideal solution for secure machine guarding applications.

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