
1. What Is the Limit Switch AZ-8104?
The limit switch AZ-8104 is a rugged industrial device designed to detect the position of moving parts in machinery. SHUYI’s AZ-8104 switch triggers an electrical signal when contacted by a mechanical actuator, stopping or adjusting equipment movement to prevent over-travel and ensure operational safety. It is widely used in conveyors, lifts, and robotic arms.
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2. How the AZ-8104 Ensures Precise Positioning
SHUYI’s limit switch AZ-8104 operates through two key mechanisms for reliable position control:
- Mechanical Activation:
A spring-loaded lever or roller comes into contact with the moving part (e.g., a conveyor belt slider). This action depresses a microswitch inside, completing or breaking an electrical circuit. - Signal Transmission:
The switch sends a clear ON/OFF signal to the control system (e.g., PLC or relay). This allows immediate response, such as stopping a lift at the correct floor or halting a conveyor at the loading point.
3. Core Advantages of the AZ-8104
SHUYI’s AZ-8104 limit switch stands out for its durability and performance:
- Industrial-Grade Construction:
Features a stainless steel lever and polycarbonate housing, withstanding 10 million operation cycles. Resists impacts up to 50G and vibrations up to 20Hz, ideal for harsh factory environments. - Flexible Trigger Options:
Offers multiple actuator styles—roller lever, plunger, or whisker—for different installation needs. The roller lever model (AZ-8104-R) is designed for high-speed applications, while the plunger type (AZ-8104-P) suits limited-space setups. - IP67 Waterproof Rating:
Sealed against dust and water immersion (up to 1m for 30 minutes), making it suitable for outdoor machinery or washdown environments like food processing plants.
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Common Issues and Solutions for Limit Switches.
4. Key Applications
SHUYI’s limit switch AZ-8104 solves position control challenges in various industries:
- Manufacturing Lines:
Prevents over-travel in CNC machines by detecting toolhead limits, protecting both equipment and workpieces from damage during high-speed operations. - Logistics and Warehousing:
Controls the movement of automated guided vehicles (AGVs) by signaling stop positions at loading docks, improving warehouse efficiency and safety. - Construction Machinery:
Monitors the extension of crane booms or elevator platforms, ensuring they operate within safe ranges and comply with industry regulations.

5. How to Install and Use the AZ-8104
Maximize the performance of your limit switch AZ-8104 with these steps:
- Positioning:
Mount the switch 5–10mm away from the actuator’s contact point to ensure reliable activation without excessive force. - Wiring:
Connect the 24V DC or 250V AC terminals to your control system. The switch supports both normally open (NO) and normally closed (NC) configurations for flexible integration. - Testing:
Manually trigger the actuator to verify signal transmission. Use a multimeter to check for consistent voltage changes (e.g., 0V to 24V) during operation.
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