Optimize object tracking, position sensing, and non-contact detection within your automated machinery or industrial systems with this professional LJ12A3-4-Z/BY inductive proximity sensor. Specifically engineered as a high-efficiency electronic switch for automated sorting lines, 3D printers, CNC machinery, and amusement hardware mechanisms, this rugged cylindrical module detects metallic targets without physical contact.

The sensor features a threaded nickel-plated brass barrel frame integrated with a vibrant blue thermoplastic sensing tip head, dual fastening nuts, and a flexible, heavy-duty 1.15-meter three-wire connection cable. Operating across a wide voltage range of DC 6-36V, the internal solid-state logic network delivers a fast 0.5KHz response frequency, driving a clean 300mA output current upon detecting ferrous targets within a 4mm range. Sealed against moisture, airborne dust, and severe operating vibrations, this standalone sensor ensures precision positioning and reliable target telemetry over millions of continuous automated switching cycles.

✅ Non-Contact Metal Target Detection: Utilizes high-frequency electromagnetic field induction to instantly register metal objects without mechanical wear or physical contact.
✅ Robust Threaded Housing: Protected by a heavy-duty cylindrical barrel frame equipped with dual retaining nuts to facilitate secure, depth-adjustable mounting configurations.
✅ High-Speed Logic Switching: Operates at an efficient 0.5KHz frequency to guarantee quick-response positioning and immediate telemetry feedback in high-speed machinery loops.
✅ Generous Integrated Cable Tail: Pre-wired with a flexible, insulated 1.15-meter wire harness tail featuring three color-coded conductors to simplify field wiring connections.
✅ Solid-State Reliability: Internal electronics are completely potted to counteract harsh workspace environments, inductive back-EMF spikes, and continuous industrial chassis vibrations.
Product Specifications

This commercial-grade industrial automation component serves as an inductive proximity sensor optimized specifically for high-traffic metallic target positioning applications, which is engineered with a high-strength cylindrical threaded metal barrel equipped with a blue plastic sensing tip, dual securing nuts, and an integrated 1.15-meter 3-wire electrical connection harness. Furthermore, the entire non-contact electronic switching network is built upon a versatile DC 6-36V logic framework featuring a 4mm detection distance range, an efficient 0.5KHz operating frequency, and a 300mA maximum output current layout designed for immediate interface tracking with standard automated electronic control loops.