A
Anonymous
Apr 10, 2026
Rating: 4/5
Good sensor
Functionality is solid but wiring instructions could be clearer for beginners.
Description
Hall Effect Sensor Hall Proximity Switch NJK-5002C Hall Switch Magnetic Switch
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Model Number | NJK-5002C |
| Operating Voltage | DC 5V to 24V |
| Output Type | NPN Open Collector |
| Detection Distance | Approx. 15mm |
| Wire Configuration | 3-Wire System |
| Max Load Current | 100mA |
| Operating Temperature | -25°C to 85°C |
| Housing Material | Engineering Plastic |
| Ingress Protection | IP67 Rated |
| Indicator LED | Power and Output Status |
5 reviews
A
Anonymous
Apr 07, 2026
Rating: 5/5
Works perfectly
Great for RPM counting on my lathe project. Very stable signal output.
A
Anonymous
Mar 11, 2026
Rating: 5/5
Fast delivery
Exactly as described in the specs. Arrived well packaged.
A
Anonymous
Feb 25, 2026
Rating: 3/5
Sensitivity issues
Had to adjust magnet distance carefully to get consistent triggering.
A
Anonymous
Feb 14, 2026
Rating: 5/5
Reliable switch
Used it for a door alarm system and it has not failed once in three months.
5 FAQ
Q: Can it handle 24V PLC digital inputs?
A: Yes, the voltage range supports up to 24V DC suitable for PLCs.
Q: How long is the attached cable?
A: The pre-wired cable length is approximately 30cm from the housing.
Q: Does this work with 5V Arduino boards?
A: Yes, this sensor is fully compatible with 5V logic systems like Arduino.
Q: What magnet strength is required for detection?
A: Standard ferrite magnets work well for typical detection distances.
Q: Is the output configuration NO or NC?
A: It is configured as Normally Open when no magnet is present.
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