Littelfuse Fire Detection & Life Safety Solutions

Littelfuse Fire Detection and Life Safety Solutions ensure continuous operation, robust protection, and dependable alarm signaling. These solutions from Littelfuse include TVS diode arrays, fuses, MOVs, solid-state relays, various switches, thermistors, and more. Suitable applications include smoke detectors, heat detectors, fire alarms, and control panels.

Smoke and Heat Alarm

Block Diagram - Littelfuse Fire Detection & Life Safety Solutions

1. Input Power Protection                                                                   4. Temperature and Smoke/Heat Sensing

2. Low‑Voltage Power Conversion Protection                                    5. User Interface and Test/Reset Control

3. Alarm Output Triggering

Fire Alarm Control Panel

Block Diagram - Littelfuse Fire Detection & Life Safety Solutions

1. AC Input Power Protection                                                                  4. Human‑Machine Interface (HMI) Control

2. Low‑Voltage Power Distribution Protection                                         5. Communication Interface Protection

3. Output Control and Actuation

Published: 2026-04-23 | Updated: 2026-04-27