Product Description

3D Printer Mechanical Endstop Switch with Cable

= Limit Switch Module for CNC & 3D Printers =

The Mechanical Endstop Switch is a reliable limit switch module designed for 3D printers, CNC machines, and Arduinobased motion control systems. This complete kit includes the micro switch with mounting bracket and prewired cable, providing accurate homing and limit detection for RAMPS 1.4 and other controller boards.

Mechanical micro switch with mounting bracket for easy installation

Includes pre-wired cable for direct connection to RAMPS 1.4 or Arduino

Handle with care - mechanical switches have physical contact life limits

= Technical Specifications =

Parameter	Value
Switch Type	Mechanical SPDT Micro Switch
Actuator Type	Lever / Roller (depends on model)
Operating Voltage	5V - 24V DC
Current Rating	0.5A - 1A
Mounting	2 x M3 mounting holes
Cable Length	~1m
Connector	3-pin Dupont
Operating Temp	-25°C ~ 80°C
Mechanical Life	1,000,000 cycles
Electrical Life	100,000 cycles
Actuation Force	~50-100g

= Key Features =

Complete Kit - Switch, bracket, and cable included

Reliable Detection - Mechanical switch for positive feel

PreWired Cable Ready to connect to controller boards

Standard Mounting - M3 screw holes for secure installation

Long Life - 1,000,000 mechanical cycles

Versatile Use - Works with 3D printers, CNC, and Arduino

Simple Interface - NO/NC/COM contacts for flexible wiring

Compact Size - Fits most 3D printer and CNC frames

== Applications ==

3D printer axis homing and limit detection
CNC machine limit switches
Arduino and RAMPS 1.4 board integration
RepRap and DIY printer projects
Motion control and automation
Endstop for X, Y, Z axes
Position sensing and edge detection

= Wiring Guide =

Endstop Pin	RAMPS 1.4 Pin	Description
S (Signal)	SIG	Signal output
+ (VCC)	+5V	Power supply
- (GND)	GND	Ground connection

The cable is preterminated with 3pin Dupont connector

COM connects to GND, NO connects to Signal pin

Ensure correct polarity to avoid damage

= Endstop Wiring Configurations =

Normally Open (NO) Configuration

COM: Connect to GND
NO: Connect to Signal pin
Trigger when switch is pressed

Normally Closed (NC) Configuration

COM: Connect to GND
NC: Connect to Signal pin
Triggers when switch is released

Most 3D printers use NO configuration

NC provides failsafe detection if wire breaks

= Installation Guide =

Mount endstop using M3 screws
Connect cable to RAMPS 1.4 or controller
Configure firmware for endstop type
Test by manually triggering the switch
Verify with M119 command (Marlin firmware)

Position switch so it triggers before mechanical limit

Use M119 to check endstop status in Marlin

Ensure switch is aligned perpendicular to axis movement

Marlin Configuration (Example)

#define USEXMINPLUG

#define USEYMINPLUG

#define USEZMINPLUG

Enable endstop pins for your axis

Set ENDSTOPPULLUP to use internal pull-up resistors

= Why Choose This Endstop? =

Complete kit with switch, bracket, and cable

Reliable mechanical detection

Simple installation with pre-wired cable

Standard mounting for 3D printers

Proven design for RAMPS 1.4

Affordable and dependable

√ Compatible with RAMPS 1.4, MKS, Arduino

√ Works with Marlin, Repetier, and GRBL firmware

√ Prewired cable for plugand-play

√ Durable construction

√ Easy to replace and maintain

= Safety Precautions =

Do not exceed voltage/current ratings

Ensure switch is mounted securely

Check for mechanical binding before operation

Protect from moisture and debris

Use proper strain relief on cables

Regular maintenance extends switch life

Consider optical or inductive sensors for high-cycle applications

= What's Included =

Mechanical Endstop Switch
Mounting Bracket
Pre-wired Cable (~1m)
Mounting Screws

The Mechanical Endstop Switch provides reliable limit detection for your 3D printer or CNC machine. Complete with switch, bracket, and cable, it's ready to install for accurate axis homing and limit protection.