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LJ12A3-4-Z/BX Inductive Proximity Sensor

LJ12A3-4-Z/BX Inductive Proximity Sensor

Regular price £4.70
Regular price £5.37Sale price £4.70
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The LJ12A3-4-Z/BX Inductive Proximity Sensor Detection Switch is commonly used for 3D printer bed leveling. Here are its key specifications and features:


Typical Application: 3D printer bed level sensing

Wire Type: Cylindrical DC 3 Wire Type (Black, Brown, Blue)

Type: Inductive Sensor

Output Type: NPN NO (Normal Open)

Diameter of Head: 12mm

Detecting Distance: 4mm

Supply Voltage: DC 6-36V

Current Output: 300mA

Response Frequency: 0.5KHz

Detects: Iron / Aluminium

Operating Temperature: -25°C to +55°C (Non-freezing Condition)

Size: 6.2 x 2cm / 2.4'' x 0.8'' (Length * Max. Diameter)

Cable Length: 110cm / 43.3''

Package Includes: 1 x Inductive Proximity Switch


This sensor is designed for precise detection of objects in close proximity, making it suitable for applications like 3D printer bed leveling. It operates within a range of 4mm and supports a wide voltage supply range from 6V to 36V. The sensor is built to withstand temperatures from -25°C to +55°C under non-freezing conditions, ensuring reliable performance in various environments.



Shipping Policy

- Free Shipping: We offer free Domestic shipping on all orders Over £25!
- UK Stock: Stocked in our UK Warehouse.
- Same-Day Dispatch: Orders placed before 3 PM will be dispatched on the same day.
- Tracked Service Upgrade: Orders over £20 will be automatically upgraded to a tracked service at no additional cost.
- Shipping Providers: We primarily ship via Royal Mail 48, but we reserve the right to use any provider and/or an equivalent service*.

Important Information:

- Delivery Address: Once your order is placed, we cannot change the delivery address. Please ensure the correct address is provided at checkout.
- Incorrect Address: If you realize you’ve provided the incorrect address, Contact us as soon as possible. We will assist you in canceling your order so you can reorder with the correct address.
- Post-Dispatch: Once your order has been dispatched, we are unable to cancel or change the shipping address. The buyer is responsible for any issues and costs related to incorrect shipping addresses. If there are issues with the delivery and the item is returned to us, a refund will be provided. We will not reship the item.

Returns Policy

We offer Free Domestic Returns on All Products.

If you are experiencing issues with our products, please contact us. We will do
everything we can to assist you. If this does not resolve your issue, you may
open a return request , and a return label will be

Please note:

To receive a refund, you MUST return the item.

The item MUST be returned within 60 Days of purchase.

The item MUST be returned in its original condition, including all packaging and accessories.

If the item is faulty, please clearly describe the issue you are experiencing. This helps us evaluate and process the return swiftly.

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