Simplex 565-453 Fire Alarm Signal Card Assembly
Simplex 565-453 Fire Alarm Signal Card Assembly
Condition: Used
[Standard Used Item Notes] This item is USED. Only the components visible in the photographs or explicitly mentioned in the listing are included. Peripheral accessories (such as keys, bases, mounting hardware, etc.) are not included unless otherwise stated. The item in the photograph may not be the exact one you receive; however, we strive to portray the average condition of all items accurately. Please carefully review this listing and its photos to assess the condition and contents. If you have any questions or require additional details, feel free to message us, and we will be happy to assist you.
Low stock: 7 left
Storewide Quantity discount: Save 5% on 2 items, 8% on 3 items, and 10% on 4+ items (applies automatically at checkout).
Couldn't load pickup availability
You will be prompted to create an account or sign in to complete your purchase.
As an eBay Partner, we may be compensated if you make a purchase.
Simplex 565-453 Fire Alarm Signal Card Assembly - This essential control module facilitates reliable signal processing within complex life-safety infrastructure. - Model 565-453 designation - Standardized fire alarm interface - Engineered for signal circuit integrity - Compatible with legacy Simplex architectures - Robust terminal connectivity
Built to surpass the performance benchmarks of previous generation signal cards, this assembly offers enhanced stability for critical notification systems. By integrating advanced circuitry, it minimizes signal degradation and ensures seamless compatibility with modern fire life-safety control panels, representing a significant technical evolution over older replacement hardware.
Optimized System Performance and Technical Reliability
The Simplex 565-453 is purpose-built to maintain high-frequency throughput while reducing electromagnetic interference, a common challenge in large-scale fire alarm networks. Its high-grade components are calibrated for long-term endurance, ensuring that critical alarm signals are processed with zero latency and high precision during emergency events.
This item description was generated using artificial intelligence and may contain errors. Specifications and compatibility should always be verified using official manufacturer documentation and, where applicable, by a qualified or licensed fire alarm technician.
View full details

About us
We specialize in new, used, and surplus fire alarm and life-safety equipment. Our inventory includes control panels, modules, power supplies, annunciators, detectors, and related accessories from leading manufacturers. Listings reflect current, in-stock availability and are updated regularly. Orders ship quickly and are packed with care.
For additional details, please review our Terms of Service, Shipping Policy and Refund Policy before placing your order. Please contact us with any questions.