Altronix AL175ULB 8-PTC Outputs Power Supply Board, 12/24VDC

AL175ULB is a power-limited power supply/charger that converts a 24VAC input into two (2) individual PTC protected 12VDC or 24VDC outputs (see specifications). It is intended for use in applications requiring UL Listing for Access Control (UL294) and applications requiring an interface with Fire Alarm Control Panels.

Input

• Input 28VAC/56VA.
• Access control trigger input.

Output

• 12VDC or 24VDC selectable outputs. 1.75 amp supply current.
• Two (2) Class 2 Rated power-limited outputs.
• Fail-Safe/Fail-Secure lock output (switched).
• Auxiliary power output (unswitched).
• PTC protected outputs, rated @ 2.5 amp.
• 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.
• Maximum charge current 0.4 amp.

Supervision

• AC fail supervision (form "C" contacts).
• Supervised Fire Alarm Disconnect (Latching w/reset or Non-Latching).

Visual Indicators

• AC input and DC output LED indicators

Electrical

• Operating temperature: 0C to 49C ambient
• 10.75-21.5 BTU/Hr