EB-S40K SPDT NO/NC/COM Stainless Steel Round Key Switch Push Button-Key Switch
S4A EB-S40K exit button, Stainless Steel construction, 3A/125-250VAC contact rating, and SPDT ( NO/NC/COM ) output contacts.
The S4A EB-S40K is a secure emergency key switch button, requiring a physical key to trigger overrides or secure door lock status.
Product Overview
The S4A EB-S40K is a professional-grade door release switch designed for secure access control systems. Constructed from high-quality Stainless Steel, it is tested to withstand up to 500000 tests operations. It integrates standard SPDT ( NO/NC/COM ) contacts with a contact rating of 3A/125-250VAC, offering wide compatibility with electronic door locks and access controllers.
Why Buy This Product
Premium Build
Made from high-quality durable materials for longevity.
Wide Compatibility
Perfect for magnetic locks, electric strikes, and controller systems.
Best for These Applications
Commercial Entryways
Best suited for offices, residential complexes, and secure buildings.
Key Advantages
- Tested Durability:Engineered for up to 500,000 duty cycles to ensure continuous operation.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.121 |
| Shipping Weight | 0.17 |
| Button Type | emergency-key |
| Material | Stainless Steel |
| Dimensions | 115Lx40W(mm) |
| Contact Rating | 3A/125-250VAC |
| Output Contact | SPDT ( NO/NC/COM ) |
| Mechanical Life | 500000 tests |
| Input Voltage | DC12V |
| Suitable For | Access Control Systems / Hollow Doors |
| Weight | 0.121KG |
| Stock | 8 |
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