Inductive proximity sensor | 10–30VDC | 8mm | PNP | NO | AK6/AP-3H

Technical Specifications:

Manufacturer: Micro Detectors

Model: AK6/AP-3H

Housing size: M18

Material: Nickel‑plated brass

Mounting type: Flush-mount

Sensing distance: 8 mm

Output type: PNP (Normally Open, NO)

Connector: 4-pin M12 plug

Protection class: IP67 (suitable for moist environments)

Power supply: 10–30 V DC

Operating temperature: –25 °C … +70 °C

Indication: LED for operation/status

Features:

Non-contact object detection – ideal for metal detection

Flush mounting – reduces risk of mechanical damage

High accuracy and fast response – effective even in dynamic systems

4‑pin M12 connector – quick connection and replacement without soldering

LED indication – clear operational and switching status

Suitable for both DC systems and automation components

Applications:

Industrial automation lines: object positioning, counting

Packaging, transport, and manufacturing equipment

CNC and machining technologies

Domestic systems or home projects, e.g., automatic doors, gate control

Robotic systems and conveyor monitoring

Pros:

Reliable and stable performance even under vibration or dust

Flush mounting allows integration into narrow spaces

PNP NO logic – widely used in modern automation systems

Standard M12 connector – universal and broadly supported

Cons:

Designed only for metal objects – won’t detect plastic, wood, or glass

PNP (NO) logic may be incompatible with some older systems using NPN outputs

Fixed sensitivity – not suitable for very small objects if shorter sensing distance is needed

Summary:
The AK6/AP-3H inductive sensor is an excellent choice for those seeking a reliable, compact, and easily integrable proximity sensor. Its construction of high-quality brass, precise 8 mm detection, and universal M12 connector make it suitable for a wide range of technological and industrial sectors. It’s a solution that fits both professionals and technical enthusiasts who value efficiency, safety, and convenience.