Our M03 Cylindrical Proximity Limit Switch is an ultra-miniature metal detection switch designed with M03 thread diameter, perfectly solving position sensing demands on compact automated machinery, precision fixtures, micro conveyor lines and miniature testing equipment.Adopting high-frequency oscillating inductive technology, this sensor only responds to ferrous metal targets without physical contact, zero mechanical wear and long service life. The all-metal stainless steel shell delivers strong anti-interference, waterproof and dustproof performance, stable operation under harsh workshop environments.Multiple output versions (NPN/PNP, Normally Open / Normally Closed) are available to match PLC, relay and controller systems of European, American and Asian automation equipment brands.
Parameter
| Model Series | M03 Proximity Limit Switch |
| Thread Diameter | M3 (3mm cylindrical body) |
| Rated Sensing Distance Sn | 0.8mm |
| Detectable Object | Ferrous metal (iron, steel) |
| Output Type | NPN NO, NPN NC, PNP NO, PNP NC |
| Operating Voltage | DC 10–30V |
| Load Current | ≤100mA |
| Response Frequency | 1500Hz |
| Housing Material | Stainless Steel 304 |
| Protection Grade | IP67 |
| Connection Mode | 2m PVC cable / M3 plug optional |
| Operating Temp | -20℃ ~ +70℃ |
| Anti-interference | Anti-electromagnetic interference |
| Mounting Type | Flush mounting |
Application Industries
- Precision electronic assembly equipment: PCB jig positioning, micro part counting
- Small automated testing machinery: miniature product limit detection
- Medical automation equipment: micro fixture position feedback
- Mini conveyor & sorting lines: tiny workpiece counting
- 3C consumer electronics production line
- Robotics small joint limit sensing
- Instrument and meter precision positioning
| Model Code | Output | Cable Length | Mounting |
|---|---|---|---|
| GPL-F0301-NO | NPN Normally Open | 2m PVC | Flush |
| GPL-F0301-NC | NPN Normally Closed | 2m PVC | Flush |
| GPL-F0301-PO | PNP Normally Open | 2m PVC | Flush |
| GPL-F0301-PC | PNP Normally Closed | 2m PVC | Flush |
FAQ
1. Q: Can M03 Proximity Limit Switch detect aluminum and copper?
A: No. This inductive sensor only detects ferrous metal (iron, steel). For non-ferrous metal detection, please refer to our M03 capacitive proximity sensor series.
2. Q: What is the minimum installation space required for M03 sensor?
A: M3 thread diameter, only 3mm mounting hole needed, suitable for ultra-narrow fixture space.
3. Q: Does it support high-speed production line?
A: Max response frequency 1500Hz, meet high-speed small workpiece counting and positioning.
4. Q: Can it work in oily and humid workshop?
A: IP67 protection grade, resist water splash, dust and cutting oil, normal use under industrial environment.
5. Q: Can I customize cable length or plug?
A: Yes, we support OEM customization of wire length, M3/M4 aviation plug, high temperature resistant cable.
6. Q: What's your warranty period?
A: 12 months factory warranty under normal operating conditions.
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