Mushroom Head Key Lock Emergency Stop Push Button Switch
This mushroom head push button switch provides emergency stop functionality. The key lock prevents unauthorized reset after activation.





Technical Specifications
Overview
Industrial Emergency Stop Solution
The LAY5-BS142 is a robust, mushroom-head emergency stop push button switch designed for critical industrial control applications. Featuring a secure key-operated lock mechanism, it prevents unauthorized resetting after activation, ensuring safety protocols are strictly maintained. Built with high-grade anti-flame plastic and zinc alloy, this switch offers reliable performance in demanding environments, fully compliant with international safety standards.
- Compliance & Certifications
- CEISO 9001RoHSULIEC 60947-5-1GB/T14048.1

Electrical Specifications
Electrical Performance
- Contact Resistance
- ≤ 25 mΩ
Mechanical Specifications
Dimensions & Mounting
| Feature | Specification |
|---|---|
| Mounting Thread | M22 |
| Head Diameter | Φ 40 mm |
| Max Panel Thickness | 7 mm |
| Total Height | 36.5 mm |
Operating Life
- Mechanical Life: 1,000,000 operations
- Electrical Life: 5,000,000 operations

Design & Features
Key Features




