Baumer IFRD 18N37T3/S14 Proximity Sensor

The Baumer IFRD 18N37T3/S14 inductive sensor offers a nominal sensing distance of 6 mm with a quasi-flush mounting configuration, enabling close-range metal detection with minimal interference. Built with a stainless steel 1.4404 (V4A) housing and sensing face, it ensures long-term durability even in corrosive or high-pressure conditions—rated up to IP69K for water and dust protection and capable of handling static pressure up to 20 bar.

Operating within a voltage supply range of 10–30 VDC, the sensor consumes only 14 mA when idle and supports an NPN (normally closed) output circuit with up to 100 mA switching current. The 100 Hz switching frequency allows fast detection in automated lines, while its M12 connector simplifies secure installation. With a compact 18 mm cylindrical threaded design and 60 mm housing length, it’s optimized for constrained environments in machinery.

Engineers choose Baumer IFRD 18N37T3/S14 for its performance in demanding environments such as packaging plants, CNC machines, bottling lines, and robotic assembly stations. Its consistent sensing accuracy, mechanical robustness, and ease of integration make it a dependable component in predictive maintenance and fail-safe system design.

The Baumer IFRD 18N37T3/S14 is commonly used in industrial systems where precise metal detection and high durability are essential. For example, in CNC machines, it accurately detects the tool position or part presence, ensuring the machine only operates when safe. In packaging lines, it can confirm the placement of metallic components before sealing or boxing operations.

This sensor is also ideal for robotics, where it helps detect end positions or gripper states with minimal latency. Its IP69K rating makes it suitable for food processing machinery, where frequent washdowns occur. Maintenance engineers appreciate its compact design, which simplifies retrofitting into existing control panels or conveyors without major rework.

Engineering students and junior technicians often encounter this sensor during internships in manufacturing plants, as it represents a perfect balance of cost-efficiency, ruggedness, and technical performance. With strong vendor support and documentation, the IFRD 18N37T3/S14 serves as a learning-friendly and field-proven inductive sensor across industries.