Capacitive proximity switch sensor from the LJC18A3 series, built in an M18 size package for compact, space‑saving use. Key benefits - Three-wire NPN normally closed output for simple, reliable wiring to 24 V control circuits. - Non-contact proximity sensing enables detection of targets without mechanical contact, reducing wear and maintenance. - Compact M18 form factor suited to tight spaces, with straightforward integration into existing BZ and BX/BY/AX/AY setups. - 24 V operation and compatibility with common LJ18A3 reference field devices for easy cross‑reference and replacement. Specification highlights - Function: capacitive proximity switch sensor - Series: LJC18A3 - Housing size: M18 - Output: three-wire NPN normally closed - Operating voltage: 24 V - Compatible models: BZ and BX/BY/AX/AY - Cross-reference: similar to LJ18A3-B-J/DZ AC 2 Wire NC Practical use scenarios - On a conveyor line, sense part presence to trigger downstream processing or quality checks. - In packaging equipment, verify cover or lid closure before the next operation stage. - In hoppers or containers, detect material presence to control fill levels or initiate material handling. Designed for applications that require accurate proximity sensing in a compact, easy-to-wire package, the LJC18A3 M18 capacitive switch delivers dependable sensing and straightforward integration.