Access Control Exit Push Button Door Release Switch with LED
Access Control Exit Push Button Door Release Switch with LED
Asia-Teco Access Control Exit Push Button Door Release Switch with LED Light (S840L/S850L)
Upgrade your access control system with the Asia-Teco S840L/S850L Exit Push Button Door Release Switch. Engineered for commercial and residential installations, this durable exit button features an aluminum panel and heavy-duty steel button designed to handle up to 500,000 operating cycles. With built-in LED illumination and dual contact output, it integrates seamlessly with virtually any electronic gate lock or door release system.
Made in Mainland China.
Key Features
- Rugged Construction: Sandblast-finished aluminum panel paired with a robust steel button for long-lasting performance in high-traffic environments.
- 500,000-Cycle Mechanical Life: Tested and rated for over half a million actuations — built to last in demanding commercial settings.
- Dual Contact Output: Compatible with all major lock types, including electromagnetic locks, electric strikes, and electronic gate locks.
- Built-In LED Indicator Light: Clearly visible illumination for easy identification in low-light conditions.
- Wide Temperature & Humidity Range: Operates reliably from 10°C to +55°C (14–131°F) at 0–95% relative humidity.
- Hollow Door Compatible: Designed for easy installation on hollow-core doors.
Technical Specifications
| Model | S840L / S850L |
| Dimensions (S840L) | 132 × 92 × 48 mm |
| Panel Material | Aluminum, Sandblast Finished |
| Button Material | Steel |
| Current Rating | 3A @ 36V DC |
| Mechanical Life | 500,000 cycles |
| Operating Temperature | 10°C to +55°C (14–131°F) |
| Operating Humidity | 0–95% (relative humidity) |
| Door Compatibility | Hollow Door |
| Weight | 0.2 kg |
| Brand | Asia-Teco |
| Origin | Made in Mainland China |
Ideal Applications
- Office and commercial building access control systems
- Residential security gates and entry doors
- Warehouses, data centers, and restricted-access areas
- Schools, hospitals, and government facilities
For guidance on building access control and security standards, refer to the U.S. Consumer Product Safety Commission (CPSC) for safety compliance information on electronic security hardware.
Learn more: Panic button
Frequently Asked Questions
Q: What types of locks is the Asia-Teco S840L/S850L exit button compatible with?
A: The S840L/S850L exit push button features dual contact output, making it compatible with virtually all lock types used in access control systems — including electromagnetic locks, electric strikes, and electronic gate locks. If your lock operates on a standard electronic release mechanism, this button will integrate with it.
Q: Is this exit button suitable for outdoor or high-humidity environments?
A: The S840L/S850L is rated for operating humidity up to 95% relative humidity and temperatures between 10°C and 55°C (14–131°F), making it well-suited for a variety of indoor environments. For fully outdoor installations exposed to rain or direct moisture, additional weatherproofing measures are recommended.
Q: How difficult is the installation process?
A: Installation is straightforward for hollow-core doors. The unit mounts into a standard cutout, connects via two contact output wiring to your access control panel, and the LED indicator connects to your system's power feed. Most installations can be completed with basic hand tools and a standard drill.
Q: What does the LED indicator light do on this exit button?
A: The built-in LED indicator light serves as a visual cue to users, making the exit button easy to locate in dim or low-light conditions. It enhances both usability and safety in commercial and residential access control installations.