10pcs KW11-3Z Limit Switch 3-Pin 5A 250V Micro Switch
10pcs KW11-3Z Limit Switch 3-Pin 5A 250V Micro Switch
KW11-3Z 3-Pin Micro Limit Switch – 10-Pack
Keep your projects running smoothly with this convenient 10-pack of KW11-3Z micro limit switches. Designed for reliable position detection and circuit control, these compact 3-pin switches are a go-to component for electronics enthusiasts, makers, and engineers alike. Whether you're building a CNC machine, 3D printer, or custom automation project, these switches deliver consistent performance in a small footprint.
Key Features
- Model: KW11-3Z Micro Limit Switch
- Pins: 3-Pin configuration (Common, Normally Open, Normally Closed)
- Rated Current: 5A
- Rated Voltage: 250V AC
- EU LVD Voltage: Low voltage — below 50V AC or 75V DC
- Material: Durable plastic housing
- Pack Quantity: 10 switches per order
- Switch Type: Micro/Limit Switch with lever actuator
What Is a Limit Switch?
A limit switch is an electromechanical device that detects the presence, absence, or position of an object. When the lever arm is actuated by contact with a moving part, it opens or closes a circuit — making these switches ideal for end-stop detection, safety cutoffs, door sensors, and automated control systems.
Common Applications
- 3D printer end-stop control
- CNC machine axis limiting
- Robotic arm position detection
- DIY electronics and automation projects
- Conveyor belt and industrial machinery control
- Door/gate open-close sensing
Package Contents
- 10 × KW11-3Z 3-Pin Micro Limit Switch
Made in Mainland China.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What are the three pins on the KW11-3Z limit switch?
A: The three pins on the KW11-3Z micro limit switch are Common (C), Normally Open (NO), and Normally Closed (NC). This allows flexible wiring for both open-circuit and closed-circuit applications depending on your project's needs.
Q: Are these KW11-3Z micro switches compatible with 3D printers?
A: Yes! The KW11-3Z 3-pin limit switch is one of the most widely used end-stop switches for 3D printers and CNC machines. Their compact size, standard pin spacing, and reliable actuation make them a popular drop-in choice for most popular 3D printer builds.
Q: What is the maximum voltage and current rating for these limit switches?
A: Each KW11-3Z micro limit switch is rated for up to 5A at 250V AC, making them suitable for a wide range of low-to-medium power control circuits. For EU LVD compliance, they are rated for low-voltage use (below 50V AC or 75V DC) in those applications.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.