440N-Z21W1PH | Allen-Bradley Sipha Non-Contact Magnetic Safety Switch, 25 mm

Allen-Bradley · HMIs & Displays

Description The Allen-Bradley 440N-Z21W1PH is a non-contact magnetic safety switch designed for safeguarding applications requiring reliable position monitoring. It features two N.C. safety outputs and one N.O. auxiliary output housed in a compact rectangular flat-pack enclosure.   Technical Specifications  Condition New/Never Used Surplus Brand Allen-Bradley Category Safety Switches Part Number 440N-Z21W1PH Subcategory Non-Contact Magnetic Safety Switches Actuator Standard Magnetic Actuator Included Switching Distance 25 mm Contact Configuration 2 N.C. Safety, 1 N.O. Auxiliary Contact Type Solid-State Relay Supply Voltage 24 VDC Connection Type 6-in Pigtail with 8-Pin M12 Housing Material Plastic IP Rating IP69K Safety Category Category 4 Series 440N Sipha Sensor Principle Magnetic Dimensions 48 mm (L) × 16.5 mm (D) Application Guard Door & Safety Monitoring Standards UL, CUL, CCC, KC Weight 0.25 lb     Information About 440N-Z21W1PH The 440N-Z21W1PH belongs to the Allen-Bradley Sipha series of magnetic non-contact safety switches used to monitor guard doors, panels, and access points in safety-related control systems. Operating at 24 VDC, it provides solid-state switching with two redundant N.C. safety channels and an additional N.O. auxiliary signal for status indication. The switch offers a 25 mm switching distance and is supplied with an included magnetic actuator, allowing flexible mounting where misalignment or vibration is present. Its IP69K-rated plastic housing tolerates high-pressure washdown, making it suitable for food, packaging, and industrial environments requiring durable, sealed components. With an 8-pin M12 connection via a 6-inch pigtail, the 440N-Z21W1PH integrates easily into safety circuits requiring Category 4 performance. Key Features: Magnetic Non-Contact Operation: Enables wear-free detection and reliable monitoring of guard doors and movable barriers. Dual N.C. Safety Outputs: Provides two solid-state safety channels for integration into high-category safety systems. N.O. Auxiliary Output: Offers status indication for controllers, HMIs, or diagnostic monitoring. 25 mm Switching Distance: Supports generous alignment tolerance for doors subject to vibration or offset. IP69K Sealed Housing: Resists high-pressure cleaning and harsh industrial environments. Compact Flat-Pack Design: Fits easily into tight installations and concealed mounting locations. 8-Pin M12 Quick-Disconnect: Simplifies wiring with a 6-inch pigtail for streamlined installation. Plastic, Corrosion-Resistant Body: Ensures long service life in washdown or chemical-exposed areas. The 440N-Z21W1PH delivers the reliability and precision required for guard-door interlocking, machine safety monitoring, and high-performance non-contact safety applications.

Brand: Allen-Bradley · Category: HMIs & Displays

Key features

• Magnetic Non-Contact Operation: Enables wear-free detection and reliable monitoring of guard doors and movable barriers.
• Dual N.C. Safety Outputs: Provides two solid-state safety channels for integration into high-category safety systems.
• N.O. Auxiliary Output: Offers status indication for controllers, HMIs, or diagnostic monitoring.
• 25 mm Switching Distance: Supports generous alignment tolerance for doors subject to vibration or offset.
• IP69K Sealed Housing: Resists high-pressure cleaning and harsh industrial environments.
• Compact Flat-Pack Design: Fits easily into tight installations and concealed mounting locations.
• 8-Pin M12 Quick-Disconnect: Simplifies wiring with a 6-inch pigtail for streamlined installation.
• Plastic, Corrosion-Resistant Body: Ensures long service life in washdown or chemical-exposed areas.

Specifications

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