S4A SI-18 exit button, 304 Stainless Steel construction, 3A@36VDC Max contact rating, and NO/NC/COM output contacts.
The S4A SI-18 is a highly visible mushroom button switch, perfect for emergency exit routes or heavy industrial use.
Product Overview
The S4A SI-18 is a professional-grade door release switch designed for secure access control systems. Constructed from high-quality 304 Stainless Steel, it is tested to withstand up to 500,000 tests operations. It integrates standard NO/NC/COM contacts with a contact rating of 3A@36VDC Max, 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 | 0.16 |
| Shipping Weight | 0.21 |
| Button Type | mushroom |
| Material | 304 Stainless Steel |
| Dimensions | 86Lx86W(mm) |
| Contact Rating | 3A@36VDC Max |
| Output Contact | NO/NC/COM |
| Mechanical Life | 500,000 tests |
| Led Indicator | Yes |
| Led Color | Blue (Normal), Green (Active) |
| Sensor Distance | 4 ~ 375px ( ± 25% ) |
| Suitable For | Access Control Systems / Hollow Doors |
| Weight | 0.16KG |
| Stock | 3 |
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