The Carrier STX2401-C is an EN54-4 certified intelligent switch-mode power supply designed for fire detection and alarm system applications. Delivering a regulated 27.6V DC output, it provides up to 1.2A to connected loads while supplying an additional 0.3A for standby battery charging. The unit incorporates advanced battery management with intelligent charging, continuous battery monitoring, EcoCharge energy-saving technology, and deep discharge protection to maximize battery life. It also features mains and battery monitoring, independent volt-free fault outputs for remote signalling, LED status indication, and robust protection against power disturbances, making it a reliable and energy-efficient power solution for life safety systems.