440N-Z21US2H

Allen-Bradley 440N-Z21US2H – RFID Non-Contact Safety Switch

The Allen-Bradley 440N-Z21US2H is a SensaGuard RFID non-contact safety switch designed for reliable monitoring of machine guards and access doors. It provides high tamper resistance, safe switching performance, and compliance with top safety levels. With IP69K protection and 24 V DC operation, it is suitable for harsh industrial environments.

Key features and benefits:
• RFID-coded non-contact safety technology
• High tamper resistance and secure guard monitoring
• IP69K protection — suitable for washdown and harsh areas
• Operating voltage 24 V DC
• Compact housing for easy mounting

Typical applications:
• Machine guard and door interlocking
• Safety systems requiring high integrity (Category 4 / PL e)
• Conveyor and machinery access panels
• General industrial safety monitoring

About the manufacturer:
Allen-Bradley, part of Rockwell Automation, is a leading supplier of industrial automation and safety components trusted across global manufacturing.