MS3 Micro Limit Switch with Roller Wheel 28x15.5x9.5 mm
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Prices updated: 13 Oct 2026
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About this product
MS3 is a micro limit switch with a roller wheel actuator, measuring 28.0 x 15.5 x 9.5 mm. The wheel is pushed by a passing cam or moving part, which makes it useful for end-of-travel detection and position sensing on doors, gates and conveyors.
Specifications
- Model
- MS3
- Type
- Micro limit switch with roller wheel
- Size
- 28.0 x 15.5 x 9.5 mm
Frequently asked questions
How is the roller wheel activated?
A cam or moving part presses against the wheel and moves the internal lever, which changes the switch contact state. Position the cam so it contacts the wheel squarely for reliable actuation.
How do I identify NO and NC terminals?
The listing does not show the terminal layout. Use a multimeter in continuity mode with the lever released and pressed to identify the common, normally open and normally closed terminals before wiring.
