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NCPRO Desktop CNC Micro Limit Switch

Original price was: $5.00.Current price is: $4.50.

This NCPRO Desktop CNC Micro Limit Switch is a direct fit to 3018PROVer and MX3 machines.  It is an ideal upgraded accessory for 1610 PRO, 1810 PRO, 3018 PRO and 3018 PRO MAX CNCs that do not include homing and limit switches. Three Micro Limit Switch will be needed for homing and six total will be required if you would like to have both homing and limit functions on all three axis.  Each switch is shipped with a 1 meter length of cable with 3 pin JST-XH type connectors.  Normally Closed Switch is compatible with most all 2 and 3-pin limit switch systems (You may need to adapt the cable end to fit your specific application).  Remember to set $5=1 in grbl for proper homing function with a NC limit switch.

Got mounts? We suggest pairing this limit switch with our smart optical axis limit switch rail mounts to fit 8, 10, and 12mm linear rails.  Click Here.

Item Number: NCP-MICROLIMIT

Switch Normally Closed (Momentary) | 18 x 27 x 14mm | 3mm diameter mounting holes

Cable Length: 1 meter

Additional Details

Product Highlights

  • Compatible 3018-PROVer and 3018-MX3 type desktop CNC routers*
  • Features a Normally Closed (NC) momentary contact
  • Rating: 125VAC 1A
  • 3-Pin Terminal is integrated into the switch board
  • Includes 1m length 3-pin cable
  •  Switch Dimensions: 18 x 27 x 14mm | 3mm diameter mounting holes

This is an ideal upgraded accessory for 1610 PRO, 1810 PRO, 3018 PRO and 3018 PRO MAX CNC that do not include homing and limit switches. Three switches will be needed for homing and six total will be required if you would like to have both homing and limit functions on all three axis. Most 3018 PRO and similar machines feature 10mm linear rails for X/Y axis and 8mm linear rails for Z. Newer all aluminum 3018 PRO MAX or 3018 MAX type machines feature 12mm linear rails for X/Y axis and 8mm linear rails for Z. Check the diameter of your optical axis linear rail before ordering as there can be great variation among the various vendors of this machine.

Note: Installing homing and limit switches will slightly reduce the overall maximum travel of your machine (Roughly by 12mm per axis for every installed switch – thus a homing and limit switch on the x-axis will reduce total machine travel by ~24mm on the x-axis). While it is common to install a homing and limit switches on all three axis, many 3018 users do not install (or remove) the limit switch on the Z axis as the machine is already somewhat “Z-travel Challenged”.

*we don’t control the manufacturing of the 3018PROVer and MX3 type machines, as such the vendor of these machines may make modifications to product specifications. Compare the product in the photo to the one you’ll be replacing. These switches feature a connector output that is 90 degrees to the switch function. We’ve seen some machines ship with the connector in-line with the switch – so do a bit of research before ordering to be sure you get the right one!

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