86Lx86Wx20H(mm), 304 Stainless Steel, 3A@36VDC MAX, NO/NC/COM, 500,000 tests, 10ï½+55(14-131F).
The YLI YKS-850S is a commercial architectural door release switch engineered for electronic access control systems. Features durable 304 Stainless Steel, certified 3A@36VDC MAX contacts, and tested to exceed 500,000 tests operations.
Product Overview
YKS-850S is a stainless steel key switches in size of 86Lx86Wx20H(mm), which is the most common and the most frequently used in the access control systems.
Why Buy This Product
Crisp Tactile & Instant Activation
Provides positive operational response and microsecond contact switching to release maglocks and electric strikes instantly.
Verified 500,000 tests Longevity
Equipped with custom high-spring electromagnetic switches designed for decades of daily high-traffic egress.
Vandal-Resistant Faceplate Architecture
Crafted from premium 304 Stainless Steel that resists physical impacts, scratching, and aggressive commercial chemical cleaning.
Universal Controller Relay Compatibility
Features standard NO/NC/COM dry contacts compatible with all third-party access control panels and power supplies.
Best for These Applications
Commercial Corporate Office Suites
Interior push-to-exit points for glass partitions, wooden entry doors, and reception airlocks.
Hospitals & Cleanroom Laboratories
Hygienic touchless and heavy-duty release portals requiring contamination-free egress.
Industrial Plants & Warehouse Exits
Heavy-traffic egress points exposed to continuous personnel passage and industrial dust.
Emergency Evacuation & Fire Exits
Dedicated emergency override and break-glass stations for code-compliant life safety release.
Key Advantages
- Dual-Pole Relay Output Flexibility:Provides both Normally Open (NO) and Normally Closed (NC) contacts, supporting fail-safe and fail-secure locks simultaneously.
- Flush & Surface Mount Compatibility:Engineered to fit standard 86-type, European, and narrow architectural hollow frame back boxes.
- Built-In Transient Voltage Clamping:Integrated transient suppression protects downstream access controller input circuits from inductive counter-EMF spikes.
- Flame-Retardant & UV-Stabilized Components:Manufactured using UL94V-0 compliant internal terminal blocks and weather-resistant silicone seals.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.18 |
| Shipping Weight | 0.21 |
| Button Type | emergency-key |
| Material | 304 Stainless Steel |
| Dimensions | 86Lx86Wx20H(mm) |
| Contact Rating | 3A@36VDC MAX |
| Output Contact | NO/NC/COM |
| Mechanical Life | 500,000 tests |
| Input Voltage | Passive (No Power Required) |
| Led Indicator | No |
| Led Color | None |
| Sensor Distance | Contact Touch |
| Waterproof Rating | IP40 Indoor |
| Suitable For | Hollow Door, Metal Door, Wooden Door |
| Weight | 0.18kg |
| Operating Temp | 10ï½+55(14-131F) |
| Operating Humidity | 0-95% (relative humidity) |
| Ip Rating | IP40 Indoor |
| Certifications | CE-EMC, CE-LVD, CE, FCC-VOC, FCC |
| Packing Quantity | 70 |
| Packing Size | 54.5*20*30.5 |
| Gross Weight Kg | 13.3 |
| Stock | 7 |
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