🔘 Micro Limit Switch (KW4A Type)

The Micro Limit Switch is a compact, high-precision electromechanical switch designed to detect physical movement or position in machines and devices. It features a small rectangular body with a metal lever actuator and three terminal pins for versatile circuit control.

This switch is widely used in industrial automation, home appliances, 3D printers, robotics, and safety interlock systems.

⚙️ Key Features

• ✅ Compact & Durable Design

• ✅ Lever Type Actuator

• ✅ Fast Switching Action

• ✅ High Electrical Reliability

• ✅ 3 Terminal (COM, NO, NC)

• ✅ Long Mechanical Life

• ✅ Suitable for AC & DC Applications

• ✅ Easy PCB / Wire Mounting

🔌 Technical Specifications

🔁 Contact Configuration

• COM (Common)

• NO (Normally Open)

• NC (Normally Closed)

How It Works:

• When lever is NOT pressed → COM connects to NC

• When lever is pressed → COM connects to NO

This makes it ideal for position detection and safety control.

📏 Physical Details

• Small rectangular body

• Metal lever for smooth actuation

• Compact design for tight spaces

• Mounting holes for secure installation

🛠️ Applications

• 3D Printers (End Stop Switch)

• CNC Machines

• Industrial Automation

• Door Detection Systems

• Elevators

• Home Appliances

• Safety Interlock Systems

• Robotics

⭐ Advantages

• Fast and precise switching

• High durability

• Reliable electrical performance

• Compact and easy to install

• Suitable for automation systems

📦 Package Includes

• 1 × Micro Limit Switch with Lever