Simplex 4098-9780E 2-Wire Relay Sensor Base Enhancement

The Simplex 4098-9780E is a 2-wire relay sensor base designed for seamless integration with addressable fire alarm systems, offering reliable sensor-to-relay communication. Engineered for compatibility with various Simplex detectors, this base includes an internal relay output triggered by alarm conditions—perfect for controlling auxiliary devices like door holders or local notification appliances. The base supports Class B wiring and includes a tamper-resistant feature for added security. Its compact form and durable construction allow for versatile placement across commercial and industrial fire protection environments. The base eliminates the need for external relays, simplifying installation and reducing costs. It ensures high reliability and compliance with fire safety standards, making it a critical component in life safety systems.