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440N-Z21US2BN

440N-Z21US2BN

Manufacturer: ALLEN BRADLEY

Condition: New and Unused, Surplus.

Price: Available on Request

Overview of Allen Bradley 440N-Z21US2BN

The Allen Bradley 440N-Z21US2BN is a Guardmaster non-contact safety interlock switch designed for machine guarding applications. Featuring a rectangular actuator and integrated solid-state contacts, this device delivers reliable safety monitoring in industrial environments. It operates on a 24V DC power supply and is built with durable plastic housing to withstand demanding conditions. Certified to meet global safety standards such as UL and CCC, the 440N-Z21US2BN supports up to two normally closed safety contacts and one normally open auxiliary contact, providing versatile signaling options. Its cable connection type uses a 10-meter PVC cable, ensuring flexible installation. Its compact design and robust features make it an essential safety component for controlling access to hazardous areas in automated production lines.

Key Features of Allen Bradley 440N-Z21US2BN

  • Non-contact safety interlock switch with rectangular actuator for precise guard monitoring
  • Two normally closed (N.C.) safety contacts and one normally open (N.O.) auxiliary contact
  • Solid-state contact type for reliable, maintenance-free operation
  • 10-meter PVC cable connection for versatile wiring and installation
  • Operating voltage of 24V DC with low current consumption for energy efficiency
  • Durable plastic housing rated for industrial environments with IP67 protection
  • Certified to UL, CCC, and CUL safety standards ensuring compliance
  • Suitable for high-cycle industrial applications with up to 500,000 mechanical life cycles
  • Compact, rectangular design for easy integration into machine safety guarding systems

Technical Specs of 440N-Z21US2BN

Specification Details
Actuator Style Rectangular
Contact Configuration 2 N.C. Safety, 1 N.O. Auxiliary
Contact Type Solid State (solid-state)
Connection Type 10 m PVC Cable
Operating Voltage 24V DC (+10% / -15%)
Current Capacity Maximum 200 mA per output
Housing Material Plastic
Operating Temperature -25 to +70 °C (-13 to +158 °F)
Ingress Protection IP67
Certifications UL, CUL, CCC

Applications / Use Case

The Allen Bradley 440N-Z21US2BN is widely used in machine safety and guarding systems where reliable access control is critical. It is ideal for protecting operators from hazardous machine components by monitoring doors, gates, and guards on automated equipment. The non-contact design allows for wear-free operation, improving device longevity and reducing maintenance intervals. Commonly deployed in automotive manufacturing, packaging lines, material handling equipment, and robot cells, it safeguards personnel by ensuring machines cannot start or operate unless safety guards are securely closed. The durable construction and IP67 rating facilitate use in harsh industrial conditions, including washdown and exposure to dust or moisture.

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Leadtime offers a 1-year warranty for all products sold and repaired, providing a dependable and reliable investment in your company's future.

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