Allen-Bradley 872C-N40NP30-D4 is a cylindrical inductive proximity sensor from the Bulletin 872C family. This DC-powered sensor features a 40mm nominal sensing range, a 4-wire NPN normally open (NO) output, and a 4-pin M12 micro quick-disconnect connector. It is designed for non-contact detection of metallic objects in industrial automation applications, offering a compact form factor and reliable performance for position sensing and object detection tasks.

# Capacitive Proximity Switch The **Allen Bradley 872C-N40NP30-D4** Capacitive Proximity Switch is an advanced sensing solution designed for precise detection of non-metallic objects, liquids, and solids in automated environments. This high-performance switch enhances operational efficiency by providing reliable, maintenance-free operation, making it ideal for various industrial applications. ## Key Features • **Sensing Range**: Capable of detecting objects up to 40 mm away, ensuring flexibility in application settings. • **Operating Voltage**: Functions within a voltage range of 10-30 V DC, compatible with a wide variety of control systems. • **Output Type**: NPN output allows for easy integration with existing equipment, ensuring seamless operation. • **Housing Material**: Constructed from robust plastic, offering resistance to impact and environmental factors, thus enhancing durability. • **Ingress Protection Rating**: IP67 rated for protection against dust and water ingress, suitable for harsh industrial environments. ## Applications • **Material Handling**: Ideal for object detection in conveyor systems, ensuring efficient material flow without interruptions. • **Liquid Level Monitoring**: Effectively detects liquid levels in tanks and reservoirs, promoting safety and operational reliability. • **Packaging Machinery**: Provides precise detection for packaging processes, enhancing automation and reducing downtime. • **Food and Beverage Industry**: Suitable for applications involving non-metallic packaging materials, ensuring compliance with hygiene standards. ## Benefits • **Increased Reliability**: The capacitive sensing technology offers accurate detection, reducing false triggers and improving overall system dependability. • **Maintenance-Free Operation**: Solid-state design eliminates mechanical wear, resulting in lower maintenance costs and increased uptime. • **Versatile Compatibility**: Easily integrates with various control systems and sensors, promoting flexibility in automation setups. --- *Product information compiled with AI assistance for reference purposes.*