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Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX PHI1002025 Phipps Electronics

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Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX

Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX PHI1002025 Phipps Electronics 2
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Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX

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The LJ12A3-4-Z/BX is a 4mm NPN inductive proximity sensor with IP67 protection, threaded metal body, and LED indicator for precise non-contact metal detection.

  • 4mm NPN inductive sensor designed for accurate non-contact detection of metal objects in automation systems.
  • Operates on a wide 6–36V DC input range with a 300mA maximum output current and 500Hz response rate.
  • Durable M12 threaded brass housing with LED indicator and IP67 rating for industrial and outdoor use.
  • Easy 3-wire connection for quick integration into CNC, 3D printers, robotic arms, and machine control systems.
  • Reliable switching with long operational life due to non-contact detection method and rugged design.

$18.95

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for Monday despatch

All stock located in Australia.

Availability: 3 in stock

EXPRESS SHIPPING Available.

Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX PHI1002025 Phipps Electronics 6
Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX PHI1002025 Phipps Electronics 7
Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX PHI1002025 Phipps Electronics 8
Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX PHI1002025 Phipps Electronics 9
Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX PHI1002025 Phipps Electronics 10
SKU: PHI1002025

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Description:

The Inductive Proximity NPN Sensor – LJ12A3-4-Z/BX is a highly reliable and durable proximity switch designed for precise metal object detection. With a sensing distance of 4mm and an NPN normally open (NO) configuration, this sensor is widely used in industrial automation, 3D printing, CNC machinery, and robotics. Operating on a 6V to 36V DC power supply, it offers versatility for a wide range of applications requiring non-contact object detection.

Housed in a threaded cylindrical metal shell, the LJ12A3-4-Z/BX offers easy mounting and alignment. Furthermore, it features an LED indicator that provides visual confirmation of the switching status. Its IP67 protection rating ensures it can withstand dust and moisture in challenging environments. Whether you’re implementing position detection, part counting, or end-stop control, this sensor provides consistent performance and long-term reliability.

Specifications:

  • Model: LJ12A3-4-Z/BX
  • Sensor Type: Inductive Proximity Sensor
  • Output Type: NPN Normally Open (NO)
  • Sensing Distance: 4mm ±10%
  • Power Supply: 6V – 36V DC
  • Output Current: ≤ 300mA
  • Response Frequency: ≤ 500Hz
  • Housing Material: Nickel-plated Brass
  • Shell Type: Cylindrical Threaded (12mm diameter)
  • Cable Length: Approx. 1.2 metres
  • Connection Type: 3-wire (Brown = V+, Blue = GND, Black = Output)
  • Operating Temperature: -25°C to +70°C
  • Protection Rating: IP67
  • LED Indicator: Yes (Status Display)
  • Mounting: Threaded with locking nuts

Features:

  • 4mm detection range for ferrous metals
  • Robust cylindrical metal housing (M12 threaded)
  • LED status indicator for easy troubleshooting
  • Dustproof and waterproof to IP67 standards
  • Wide operating voltage range (6–36V DC)
  • Non-contact switching for extended lifespan

Contents:

  • 1 x LJ12A3-4-Z/BX Inductive Proximity NPN Sensor
Weight 0.042 kg
Dimensions 150 × 20 × 90 mm
Brand

Type

Voltage

Current Rating

Detection Distance

Output Type

Output Configuration

Transistor Polarity

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Australian Orders

We ship Australia-wide to all addresses, including PO Box, Parcel Locker, etc. The following shipping options available are listed below: 

  • Standard Shipping – Free (low cost / small products orders under $35 AUD) – Sent via standard Australia Post stamped mail, this shipping option has no tracking and support other than messages from Phipps Electronics to confirm the package has been dispatched to Australia Post.
  • Parcel Shipping (higher cost / larger products orders over $35 AUD or Postage paid at checkout) – Sent via Australia Post Parcel Service or Courier Service, this shipping option has full tracking.
  • Express Post – Sent via Australia Post Express Service, this shipping option has full tracking.

View the table below for shipping time estimates for Australian orders. These estimates are based on Australia Post's recent delivery performance and do not take into account any current disruptions which may affect delivery time.

StateStamped PostageParcel PostExpress Post
NSWUp to 4 business days2 - 4 business days1 - 2 business days
VIC3 - 6 business days3 - 5 business days2 - 3 business days
QLD3 - 6 business days3 - 5 business days2 - 3 business days
SA4 - 7 business days 4 - 6 business days2 - 3 business days
WA6 - 12 business days6 - 8 business days2 - 3 business days
TAS5 - 7 business days5 - 6 business days2 - 3 business days
ACT3 - 6 business days2 - 4 business days1 - 2 business days
NT7 - 12 business days7 - 10 business days3 - 4 business days

 

New Zealand Orders

We ship to New Zealand, to all addresses, including PO Boxes. Packages shipped to New Zealand are sent through Australia Post with 2 shipping options available.

  • Standard Parcel
  • Express Parcel

View the table below for shipping time estimates for orders to New Zealand. These estimates are based on Australia Post's recent delivery performance and do not take into account any current disruptions which may affect delivery time.

CountryStandard ParcelExpress Parcel
New Zealand7 - 12 business days5 - 8 business days

 

International Orders

We ship to most countries worldwide, there may be limitations on the addresses they can be delivered based on each individual country. Orders are shipped by Australia Post, in the rare circumstance that Australia Post can't deliver to the selected country we will attempt to ship with another shipping service.

View the link below for shipping time estimates. These estimates are based on Australis Post's recent delivery performance and do not take into account any current disruptions which may affect delivery time.

CLICK HERE For Australia Post International Transit Times.

If you have any questions, please have a look at the customer service portal where you will find answers to many common questions, or you can reach out to us through the contact us page.

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