SSE-01C Safety Door Switch: Ensuring True Mechanical Locking Status

In automated equipment, a locking signal does not always mean the safety door is physically secured.

During operation, the actuator may not be fully inserted into the lock head. In this situation, the electrical locking command has been completed, but the door may still be pulled open, creating a potential safety risk.

To address this challenge, Shansen developed the SSE-01C Safety Door Switch with lock position monitoring. The switch can detect whether the actuator has been correctly engaged and whether the door is actually locked, providing more reliable safety feedback for machine control systems.

Key Features

Real Lock Position Monitoring

The SSE-01C is equipped with a dedicated lock position detection function, allowing the control system to distinguish between:

• Locking command completed
• Actuator correctly inserted
• Door physically locked

This helps prevent unsafe conditions caused by incomplete mechanical engagement.

3NC + 1NO Contact Configuration

With 3NC + 1NO contacts, the switch supports flexible safety circuit design:

• NC contacts for safety door monitoring
• NO contact for lock status feedback or control signals

This allows the machine controller to receive more accurate information about the actual door status.

Reliable Performance for Industrial Applications

Designed for CNC machines, automation equipment, and safety guarding systems, SSE-01C provides stable operation in demanding industrial environments.

• Mechanical life tested: 1,000,000+ cycles
• Electrical life tested: 100,000+ cycles (AC-12 250V 4A)
• Protection rating: IP67
• Power-to-lock design
• Adjustable metal switch head
• Multiple actuator options available

Applications

SSE-01C Safety Door Switch is suitable for:

• CNC machine tools
• Automated production lines
• Robotic work cells
• Safety guarding systems
• Industrial equipment requiring controlled access protection

Safer Machine Operation Through Accurate Feedback

A safety door system should not only send a locking command — it should confirm that the door is truly secured.

With actual lock position monitoring and durable mechanical design, SSE-01C helps manufacturers build safer and more reliable automation systems.