Micro Limit switches are a simple but effective solution to stop an axis on a machine from travelling out of limits. They are also used to find a home position, also known as a datum.
They are mechanically operated with terminals: common (C), normally open (NO), and normally closed (NC).
You would typically connect the ground pin on your controller’s limit switch input to the C terminal, and the signal pin to either NO or NC.
Signal to NC in most situations is preferred because if any of the wires are broken, it will be classed as triggered by the controller.
What you will be getting
- 1 x Micro Limit Switch*
*The un-soldered terminals version some with bare terminals to attach your own wires. The pre-soldered variant comes with 2500mm silicone wires connected in the normally closed configuration with a Molex connector.
| Limit Switch Variant | Un-soldered Terminals, Pre-soldered Terminals – Normally Closed – 2500mm Wire |
|---|
Technical Specification
Un-soldered
| Terminations | Common (C), Normally Open (NO), Normally Closed (NC) |
| Dimensions | 20 x 11 x 6mm |
| Mounting Hole Diameter | 2mm |
| Centre to Centre Mounting Hole Spacing | 9.5mm |
Pre-soldered
| Termination | Common (C) and Normally Closed (NC) |
| Dimensions | 20 x 11 x 6mm |
| Mounting Hole Diameter | 2mm |
| Centre to Centre Mounting Hole Spacing | 9.5mm |
| Wire Length | 2500mm |
| Controller Connector | Molex 22-01-1032 Pin 1 - Ground Pin 2 - Empty Pin 3 - Signal |
6 reviews for Micro Limit Switch
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Barry Pattison (verified owner) –
Done the job
Ville K (verified owner) –
Quality switches. i purchased with pre-soldered wire and wire is also very good quality and terminals is protected with a heat shrink tube
Richard Woodward (verified owner) –
Good product at a good price
Patrick Dunne (verified owner) –
Very good product, quick delivery and a good price
Malcolm Day (verified owner) –
Great product, and fast delivery.
Edward Swallow (verified owner) –
Does what it’s made for