🛑 External Emergency Stop (E-Stop) Button
Pickup available at Headquarters
Usually ready in 2-4 days
🛑 External Emergency Stop (E-Stop) Button
Add an extra layer of safety to your CNC setup.
When safety is a top priority, having more than one way to quickly stop your CNC machine is critical. This External E-Stop Button gives you flexible placement options, allowing you to mount it anywhere around your CNC machine for fast and convenient emergency access.
✅ What's Included:
- 
🔘 External E-Stop Button
– Pre-wired with a 2-meter cable for convenient reach 
🧩 Recommended Add-On (Not Included):
- 
2-Pin Wire Inlet
– Selectable in the dropdown or available separately
– For a true plug-and-play experience, we recommend pairing with our Anodized Aluminum Inlets Panel for maximum inlet compatibility. 
🧠 Compatibility Notes:
✔️ Masso Controllers (G3 & Touch) - https://support.pwncnc.com/kb/article/487-external-e-stop/
- 
Fully supported and designed with Masso in mind
 - 
Simply connect using the appropriate 2-pin inlet
 
✔️ Buildbotics / Onefinity BlackBox
- 
Fully compatible
 - 
Wire as follows:
- 
Red ➝ Pin 23
 - 
Black ➝ GND (Pin 7, 19, or 25)
 
 - 
 - 
In the controller’s I/O page, configure the E-Stop input to “Normally Closed (NC)”
 
❗ Other Controllers
- 
Compatibility may vary
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We’re happy to help, but support is limited for non-Masso systems
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As we learn more, we’ll update this listing with confirmed compatibility
 
📘 Setup Help & More Info:
Read our full installation guide here:
👉 External E-Stop Knowledge Base Article
