描述
XSZ PROXIMITY SENSORS
LJC12A3-A-Z/BX 6 mm Proximity Sensor
A 6 mm proximity sensor series for dielectric-material detection, with NPN and PNP normally open or normally closed choices.
6 mm dielectric-material detection
The XSZ LJC12A3-A-Z/BX is the listed NPN normally open variant with a 6 mm detection distance. The table also includes NPN normally closed, PNP normally open, and PNP normally closed models.
The source states any dielectric material as the detection object. Confirm dimensions, cable, wiring, and the application target with XSZ before order.

Key product advantages
6 mm detection
All four listed variants have a 6 mm detection distance.
NPN and PNP choices
Select the listed NPN or PNP output, with normally open or normally closed operation.
Dielectric-material target
The source lists any dielectric material as the detection object.
Type and Specification
| Type and Specification | ||
|---|---|---|
| Dimension | Confirm with XSZ before order | |
| Model | Output | Detection distance |
| LJC12A3-A-Z/BX | NPN, NO | 6 mm |
| LJC12A3-A-Z/AX | NPN, NC | 6 mm |
| LJC12A3-A-Z/BY | PNP, NO | 6 mm |
| LJC12A3-A-Z/AY | PNP, NC | 6 mm |
| Hysteresis | Less than 10% of sensing distance |
|---|---|
| Detectable target | Any dielectric material |
| Supply voltage | DC type: DC 12-24 V (6-36 V), pulse (P-P) less than 10%. |
| Consumption current | N.P type: less than 13 mA. |
| Control output | N.P type: less than 300 mA. |
| Circuit protection | N.P.D type: reverse-connection protection, surge absorption, and load short-circuit protection. |
| Ambient temperature and humidity | Operating and storage: -30 to +65 deg C, no freezing or dew; 35-95% RH. |
| Insulation resistance | At least 50 Mohm at DC 500 V megger, between the energized part and housing. |
| Temperature influence | -30 to +65 deg C: within +/-15% sensing distance at +23 deg C; -25 to +60 deg C: within +/-10% at +23 deg C. |
| Voltage influence | Within +/-15% of rated supply-voltage range; within +/-10% sensing distance at rated supply voltage. |
| Protection class | IP67 |
| Material | Housing: nickel-plated brass; sensing face: ABS. |
| Cable and connection | Confirm with XSZ before order |
Where it helps
Selection and installation checklist
- Select the NPN or PNP output and NO or NC operation.
- Use the listed 6 mm detection distance when planning the target position.
- Confirm the dielectric target material in the actual application.
- Confirm dimensions, cable, connector, and wiring with XSZ before order.
Frequently asked questions
What detection distance is listed?
All four listed model variants have a 6 mm detection distance.
What can this sensor detect?
The source lists any dielectric material as the detection object.
Which outputs are listed?
NPN and PNP variants are listed, each with NO or NC operation.
Can XSZ confirm wiring?
Yes. Confirm dimensions, cable, wiring arrangement, and application compatibility with XSZ before order.
Need the right LJC12A3 model?
Send XSZ your required output logic and target-material details for model confirmation.





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