3D Printer 5A Mechanical Limit Switch with 1m Cable

This limit switch is crucial for defining the physical travel limits of a 3D printer's axes (X, Y, Z). It signals the controller when an axis reaches its designated home position or maximum travel point, preventing crashes and ensuring accurate print bed leveling and part placement, enhancing overall print quality and safety during operation.

The switch is rated for 5 Amperes at 125 Volts AC and 3 Amperes at 250 Volts AC. The integrated 22AWG connecting cable is designed to safely endure these current and voltage specifications, ensuring reliable long-term operation within standard 3D printer electronics, supporting consistent performance for various demanding applications.

This mechanical limit switch uses a standard two-wire (signal/ground) or three-wire (VCC/signal/ground) configuration, compatible with most 3D printer mainboards that support mechanical endstops. Verify your mainboard's endstop pinout to ensure correct wiring and signal interpretation, typically pulling the signal LOW upon activation, for proper functionality across different printer models.

The limit switch comes pre-wired with a 1-meter (approximately 39.37 inches) long connecting cable. This cable uses a 22AWG (American Wire Gauge) standard, which is suitable for carrying the specified current ratings and maintaining signal integrity over its length, even in typical 3D printing environments up to 80°C, providing robust connectivity.

The switch module, excluding the lever, measures approximately 20 mm in length, 15 mm in width, and 6 mm in height. Its compact size allows for versatile mounting options within the limited space often found in 3D printer frames, ensuring it fits various build configurations without obstruction, facilitating easy integration into your existing setup.