More than just power.


Altronix AL400ULXB2 UL Listed Sub Assembly power supply/charger converts a 115VAC, 60Hz input into a single 12VDC or 24VDC Class 2 Rated power-limited output. It also offers a suite of features that includes AC fail supervision, battery presence, and low battery supervision.
This model replaces


  • Input:

  • Input 115VAC, 60Hz, 3A.
  • Input fuse rated @ 3.5A./250V.
  • Output:

  • 12VDC or 24VDC selectable output.
  • 12VDC @ 4A. or 24VDC @ 3A. supply current.
  • Class 2 Rated power limited output.
  • 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.
  • Supervision:

  • AC fail supervision (form "C" contacts).
  • - Notification trigger is selectable for 30 seconds (factory set) or 6 hours.
  • Low battery supervision (form "C" contacts).
  • Battery presence supervision (form "C" contacts).
  • Visual Indicators:

  • AC input, DC outputand Battery LED indicators.
  • Electrical:

  • Operating temperature: 0° C to 49° C ambient.
  • 24.57 or 36.85 BTU/Hr.
  • System AC input VA requirement: 402.5VA.
  • Lifetime Warranty
  • Dimensions (approximate):

  • 4.5"W x 7.1"L x 1.44"H (114mm W x 180mm L x 37mm H)
  • Weights (approximate):

  • Product Weight: 0.65 Lbs (0.29 kg)
  • Shipping Weight: 0.8 Lbs (0.36 kg)

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