The Altronix SMP5 is a compact power supply/charger board that converts a low-voltage AC input into a single 6/12/24 VDC output rated at 4A. It accepts 16.5–28 VAC input and provides continuous DC output with short-circuit and thermal overload protection, making it suitable for fire-alarm and security installations. Dimensions are approximately 3.50 in long, 2.75 in wide, and 1.75 in high, and mounting hardware is included; it is Snap Track compatible for enclosure mounting. Common applications include powering auxiliary devices in access-control and alarm systems, such as door strikes and relays.
