
FEATURE
‧ 12.80mm*6.50mm
‧ Vertical DIP
‧ Reflow soldering
APPLICATIONS
‧ Mainly used in the three-dimensional design of mobile phones, CD players, wireless phones, MP3 players, digital laptops, DVDs, digital cameras, etc...
The micro limit switch KW12-E is a highly reliable switching component designed for precise position detection, safety control, and electrical circuit protection in a wide range of applications. As a professional-grade Micro Limit Switch, it adopts a snap-action mechanism that ensures fast response, accurate switching, and long operational life.
Engineered with durable housing materials and precision internal contacts, this Limit Switch delivers stable performance even under frequent mechanical operation. Its compact structure makes it ideal for space-constrained systems while maintaining excellent electrical and mechanical reliability.
As a versatile Mini Limit Switch, the KW12-E is widely used in automation equipment, household appliances, automotive systems, and industrial machinery where accurate control signals are required.
| Product name | Micro Switch |
| model number | KW12-E |
| Rated voltage | 250V AC 125V AC |
| Rated current | 3A250V 5A125V |
| Rated frequency | 50Hz |
| Contact resistance | 30mΩ Max. |
| Insulation resistance | 2MΩ min 500VDC |
| Dielectric strength | AC 1800V/min 50Hz |
| Ambient temperature | 25T85 |
| Life | 5000 times |
This Electrical Limit Switch uses a fast-acting mechanism that ensures immediate switching response with minimal delay, improving system accuracy and safety.
With rated voltage options of 125V/250V AC and stable current handling capacity, this switch ensures reliable performance in both signal-level and power-level circuits.
As a robust Mechanical Limit Switch, it is designed to withstand frequent operation cycles with a service life of up to 5,000 switching operations.
The switch supports multiple installation configurations, including PCB terminals, solder terminals, and quick-connect terminals, making integration easy in different systems.
Its miniature structure allows it to function as a Mini Limit Switch suitable for compact electronic devices and precision equipment.
This Industrial Limit Switch is engineered to operate reliably in harsh conditions, including vibration, temperature variation, and continuous mechanical stress.
Low contact resistance and high insulation resistance ensure stable current flow and reduce risk of electrical failure.
The switch is suitable for both industrial automation systems and consumer electronic devices, offering wide adaptability.
With long mechanical life and stable performance, it reduces maintenance costs and replacement frequency.
The product complies with international standards such as UL, TUV, CUL, and CQC, ensuring safe and reliable usage across global markets.
Product Specification
Limit switch micro's terminal and press shank

The KW12-E Electrical Limit Switch is widely used in multiple industries where precise motion detection and control are required.
CNC machinery
Robotics systems
Conveyor systems
Safety interlock mechanisms
Door position detection
Seat adjustment systems
Window control systems
Dashboard mechanisms
Washing machines
Microwave ovens
Air conditioners
Smart home devices
Smart toys
Remote control systems
Office equipment
Compact electronic devices
As a Mechanical Limit Switch, it is also used in equipment requiring precise mechanical position feedback and control.
FAQ
A Micro Limit Switch is a compact switching device used to detect position or movement and control electrical circuits with high precision and reliability.
A Mini Limit Switch is smaller in size, designed for compact installations while maintaining the same high performance and durability as standard limit switches.
This Limit Switch is widely used in industrial automation, household appliances, automotive systems, and mechanical equipment for position detection and safety control.
Yes, this Electrical Limit Switch is designed for industrial environments and offers strong durability, high electrical performance, and long service life.
The Mechanical Limit Switch supports up to 5,000 operating cycles, ensuring long-term stable performance in repeated switching applications.
✔ High durability with over 5,000 actuation cycles
✔ Compatible with both 125V and 250V AC systems
✔ Designed for quick installation and secure connections
✔ Operates reliably under wide temperature ranges
✔ Complies with global safety and environmental standards
✔ Perfect fit for compact control systems and safety mechanisms
Our micro limit switches come in multiple configurations, allowing you to select:
Stroke length (short or extended)
Actuator type (push button, roller lever, etc.)
Terminal layout (PCB, solder, quick-connect)
Mounting options for flexible integration


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