Accepting input voltages of 120/240/277/347 V, Model 16392 Transformers deliver 24 V output at 50/60 Hz with 50 VA capacity. Compact size allows units to fit into new or existing panels, while optimized design allows them to withstand direct short circuit for up to 15 days without failure. UL Listed transformers are suited for low voltage lighting and lighting control panels, HVAC controls, alarm systems and home automation controls, irrigation panels and controls, and door/gate openers.