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Power Supply Auxiliary Board


SKU: Altronix SMP3 Category:

The Altronix SMP3 is an auxiliary power supply that can be used to power alarm devices if your alarm control panel does not have enough auxiliary power output. The SMP3 converts low voltage AC power input into a selectable 6VDC, 12VDC or 24VDC power output with a continuous power supply current of 2.5A. The power supply also has a charging circuit with a maximum charge rate of 350mA so that you can connect a backup battery such as the Ultratech 1240. With a battery back up connected, the SMP3 will automatically switch to standby backup battery continue to work during a power outage.
16VAC to 28VAC.
6VDC, 12VDC or 24VDC selectable output.
2.5A continuous supply current.
Filtered and electronically regulated output.
Short circuit and thermal overload protection.
Battery Backup
Built-in charger for sealed lead acid or gel type batteries.
Automatic switch over to stand-by battery when AC fails.
Battery short circuit protection (circuit breaker).
Visual Indicators
AC input and DC output LED indicators.
Operating: 0° C to 49° C (32° F to 120° F).
Storage: – 20° C to 70° C ( – 4° F to 158° F).
Relative Humidity 85% +/- 5%.
BTU/Hr (approx.):
6VDC: 8 BTU/Hr.
12VDC: 15 BTU/Hr.
24VDC: 31 BTU/Hr.
System AC input VA requirement:
6VDC/12VDC: 55.2VA.
24VDC: 115VA.
Extremely compact design.
Includes battery leads.
Snap Track compatible (order Altronix model number ST3).


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