SIMPLEX (636-409) Old Style 4603 LCD Annunciator Keypad (Discontinued 10/21/2025)
Upgrade and maintain system performance with the Simplex 636-409, a annunciator/display component engineered for seamless integration and dependable operation across Simplex fire alarm architectures.
- Purpose-built Annunciator/Display Component for Simplex systems
- Note: This item is discontinued; contact us for recommended replacements
- Engineered for reliability and long service life
- Streamlines installation and maintenance
- Backed by industry-leading Simplex quality
- Ideal for commercial, institutional, and industrial facilities
Choose Simplex components to help ensure code compliance, clear communication, and long-term reliability.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.16 lbs |
|---|---|
| Dimensions | 13.5 × 8.5 × 0.23 in |
