Altronix SMP-3 Auxiliary Power Supply

The Altronix SMP3 Auxiliary Power Supply is a compact power supply and battery charger designed for access control, security, and CCTV applications that require dependable supplemental power. It converts a 16 to 28VAC input into a selectable 6VDC, 12VDC, or 24VDC output with up to 2.5A of continuous current. The unit provides filtered and electronically regulated output, along with short circuit and thermal overload protection. Its integrated charger supports sealed lead acid or gel backup batteries and automatically switches to standby battery power when AC power is lost. LED indicators provide convenient status monitoring for AC input and DC output. The compact board design is suitable for space-conscious installations and is compatible with Snap Track mounting.