Technology partner: V474 Altronix Corporation
SKU AL125UL-474
Altronix AL125UL Series power-limited Power Supply/Chargers convert 115VAC 50/60Hz input into two individually PTC protected 12VDC or 24VDC outputs (see specifications). They are intended for use in applications requiring UL Listing for Access Control (UL294) and applications requiring an interface with Fire Alarm Control Panels.


  • 1 amp of total supply current output.
  • 115VAC 60Hz, .6 amp input.
  • 12VDC or 24VDC selectable output.
  • AC input and DC output LED indicators.
  • AC power and unit status indicator on the front panel.
  • Automatic switch to stand-by battery when AC fails.
  • Built-in charger for sealed lead acid or gel type battery backup.
  • Filtered and electronically regulated outputs.
  • Maximum charge current .4 amp.
  • Normally Open (NO) trigger input.
  • Short circuit and thermal overload protection.
  • Supervised Fire Alarm Disconnect (Latching w/reset or Non-Latching).
  • Two (2) Class 2 Rated power limited outputs.