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Home/Business, Industry & Science/Test & Measurement/Sensors/Proximity Sensors/Inductive Proximity Sensors
2Pcs 3D Printer Inductive Proximity Sensor Switch LJ12A3-4-Z/BX 5V 300mA Detection NPN NO DC 6-36V 4mm Normally Open Proximity Switch LJ12A3-4-Z/BX-5V 4mm Detecting Distance 3 Wire
★★★★★
$10.55
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About this item
- Inductive proximity switch LJ12A3-4-Z-BX wire type : 3 wire type (Black, Brown, Blue);Switch appearance type : Cylinder type; Operating Temperature : -25°C to +55°C (Non-freezing Condition);Size : 6.2 x 2cm/2.4'' x 0.8'' (L*Max. Dia);Cable Length : 110cm/43.3"
- 3D printer inductive proximity sensor detection switch theory : Inductive sensor; Output type : NPN NO(Normal Open); Thread diameter : 12mm/0.5"""" ; Head diameter : 11.8mm/0.46"""";Detecting distance : 4mm; Supply voltage : DC 6-36V; Current output : 300mA; Response frequency : 150Hz
- LJ12A3-4-Z/BX is a component widely used for detecting, controlling and non-contact switching.
- A control signal is sent out when the proximity switch is close to a target object. The red LED indicates the sensor operating status.
- LJ12A3-4-Z/BX-5V object detecting target is not limited to conductors, also used for liquids and powders, Polarity reversal protection, short circuit protection. Operating voltage from 6V up to 36V DC.
Product description
LJ12A3-4-Z-BX Inductive proximity switch Wire Type : 3 wire type (black, brown, blue) Switch Appearance Type : Cylinder type Operating Temperature : -25°C to +55°C (non-freezing condition) Size : 6.2 x 2cm/2.4'' x 0.8'' Cable Length : 110cm/43.3"""" switch theory : Inductive sensor Output type : NPN NO(Normal Open) Thread diameter : 12mm/0.5"""" Head diameter : 11.8mm/0.46"""" Detecting distance : 4mm Supply voltage : DC 6-36V Current output : 300mA Response frequency : 150Hz LJ12A3-4-Z/BX inductive proximity sensor switch detector It can be used to detect metallic (electrically conductive) objects. The sensor is perfectly suited as a limit switch for a CNC machine or a 3D printer, and has an LED which shows the status of the detection. It is a component widely used for detecting, controlling and non-contact switching. A control signal is sent out when the proximity switch is close to a target object. The red LED indicates the sensor operating status. Package include: 2 X LJ12A3-4-Z/BX inductive proximity sensor switch detector
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10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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