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.
In addition to the micro limit switch, this kit includes the hardware to mount a micro limit switch in a range of orientations to aluminium extrusion with a 6mm slot.
What you will be getting
1 x Micro Limit Switch*
- 1 x Micro Limit Switch
- 1 x Micro Limit Switch Mounting Plate
- 2 x M3 8mm Plastite Screws
- 1 x M5 8mm Low Profile Bolt
- 1 x M5 Drop In tee Nut
*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) |
| Switch 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) |
| Switch 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 |
Micro Limit Switch Mounting Plate
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9 reviews for Micro Limit Switch Mounting Kit
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Ville K (verified owner) –
Ordered 3 sets with pre-soldered terminals. one limit switch arrived broken, it seems visually ok but there is no “click” like other two switches. otherwise that price is good
Tom-Erik (verified owner) –
Easy and nice service
paul rothwell (verified owner) –
Easy to fit
patrick hayes (verified owner) –
Great service and product
Gareth Martin (verified owner) –
High quality limit switch mounting
MARIA GEORGIOU (verified owner) –
Nice product
S.Fulford (verified owner) –
Good kit, only issue found is that with both the screws holding the limit switch to the mounting plate it does not sit flush against the extruded at certain orientations. removing 1 of the screws allowed it to sit flush.
Edward Swallow (verified owner) –
Does what it’s made for
Wayne Hooper (verified owner) –
Got my machine back up and running in no time