Name: Inductive Proximity Sensor M5 – PNP - NO
SKU: ELEC-LJ5A31Z-BY
Price: 9.90 AUD
Availability: InStock

Inductive Proximity Sensor M5 – PNP – NO

$9.90 Inc. GST

The M5 inductive proximity sensor is a 5 mm threaded, non-contact electronic switch used to detect metallic objects within space-constrained environments. The device emits an electromagnetic field to trigger an electronic signal upon target detection, utilising a PNP sourcing output and a Normally Open configuration that closes the circuit only when metal is present. Unaffected by dirt, oil, or water, this sensor serves as a homing switch, limit switch, or end-of-travel tracker in CNC machinery, laser cutters, and linear actuators, while also functioning in automated systems for component counting and speed monitoring.

In stock

Description

Technical Overview

The Inductive Proximity Sensor M5 – PNP – NO operates as a compact, non-contact electronic switch that detects metallic objects without any physical contact. Specifically, the unit triggers a control signal the moment metal enters its electromagnetic field.

Because this sensor features an M5 threaded barrel with a 5mm diameter, it fits perfectly into tight, space-constrained environments within automated systems. Furthermore, it generates a constant electromagnetic field, which ensures reliable performance because dirt, oil, or water on the sensor face cannot affect the signal. Finally, as a PNP, Normally Open (NO) device, the internal circuit remains open until the sensor detects a metallic target. At that exact point, the circuit closes instantly and outputs a positive voltage sourcing signal directly to a connected PLC, relay, or controller.

Applications

Engineers commonly deploy the Inductive Proximity Sensor M5 – PNP – NO across high-precision mechanical assemblies and automation systems that require compact mounting. For instance, operators frequently integrate this unit as a homing or limit switch in precision equipment such as laser cutters, CNC routers, and plasma machines.

Additionally, this miniature sensor excels in various automation and robotics use cases. Consequently, technical teams rely on it for counting parts, monitoring machine speeds, and tracking the end-of-travel on linear actuators. Ultimately, system builders choose this sensor for custom hardware control setups and light industrial machinery whenever they need dependable, non-contact metal detection

Technical Specifications

Technical Specifications
Model Number	LJ5A31Z-BY
Operational Voltage	6-36V DC
Thread Size	M5 x 0.8
Thread Length	30mm
Transistor Type	PNP
Contact Type	Normally Open (NO)
Sensing Distance	1mm ± 10%
Standard Detection Target	Iron 5x5x1mm
Detection Object	Magnetic Metal
Response Frequency	DC: 0.5kHz / AC: 25Hz

Maker Store Tips and Tricks

Ensure the target metallic object falls within the sensor’s exact detection range before permanently mounting the barrel.
Avoid over-tightening the mounting nuts on the M5 threaded barrel during installation to prevent damage to the internal electronics.
Regularly clean the sensor face of accumulated metallic debris to ensure consistent, unhindered operation.

For an ultra-sleek finish, we recommend using our 6mm V-Slot Cover / Panel Holder – 20 Series to neatly secure the cable. These are available in a range of colours to match your build.