Power low-voltage HVAC control systems with the Packard PF524100 100VA Class II Foot Mount Transformer. It's designed to deliver reliable 24V output from 120V, 208V, 240V, or 480V input sources. This high-capacity transformer is ideal for thermostats, relays, and control boards in residential, commercial, or light industrial HVAC applications. The Class II design limits output current for NEC code compliance, while a built-in 4.0 amp circuit breaker provides added protection against short circuits and overloads. Dual connection options—1/4 in. quick connect terminals and wire leads—offer flexible wiring in new or retrofit installations. The foot mount base features 2.756 in. (70 mm.) mounting hole spacing for quick setup in control panels or electrical enclosures. Built to replace models with equal or lower VA ratings, this 100VA class 2 transformer offers dependable performance for demanding HVAC systems.