The LJ12A3 4 Z/BX AX Sensor Switch is a compact M12 4 mm sensing switch designed for reliable position detection in tight spaces. It operates on 5V DC and offers flexible wiring options to fit a range of control systems. Key features - Sensing distance: 4 mm - Supply voltage: DC 5V - Output types: NPN or PNP - Output modes: Normally Open NO and Normally Closed NC - Model: LJ12A3 4 Z/BX AX Sensor Switch - AX type configuration: NPN NC - Packaging: 1 piece per order Why this sensor switch helps - Flexible compatibility: Choose NPN or PNP to match your controller wiring - Easy integration: NO and NC options allow straightforward wiring for various logic needs - Small and robust: M12 form factor suitable for compact installations and tight spaces - Quick, reliable switching at a low voltage and current suitable for common automation applications What you get - One piece sensor switch in the AX configuration for NPN NC operation Use scenarios - Conveyor line part detection: detect presence of small parts on a belt and trigger a stop or divert mechanism - Cabinet or door position sensing: monitor open/closed status in compact enclosures where space is limited - Robotic or automated assembly: verify end-of-travel or engagement of a gripper without bulk sensors, enabling precise control This description preserves the original brand, model, function, and specifications while presenting clear, concise information for practical decision making.