Altronix AL176ULB

The Altronix AL176ULB is a single output power supply and charger that converts 28VAC Class 2 input into regulated 12VDC or 24VDC for access control and fire alarm applications. It includes built-in battery charging and automatic switchover to backup power upon AC failure, with protective form C contacts for monitoring power status.

Key Features

• Selectable 12VDC or 24VDC output for flexible system design
• 1.75A continuous output with 2.5A PTC protection
• Integrated sealed lead acid/gel battery charger
• Automatic switchover to backup battery on AC power loss
• LED indicators for AC input and DC output status
• Short circuit and thermal overload protection

Technical Specifications

• Input: 28VAC, 56VA from UL Listed Class 2 transformer
• Output Voltage: 12VDC or 24VDC (user selectable)
• Output Current: 1.75A continuous, 2.5A PTC rated
• Maximum Charge Current: 0.4A
• Operating Temperature: 0°C to 49°C (32°F to 120°F)
• Storage Temperature: -20°C to 70°C (-4°F to 158°F)
• Humidity: 85% +/- 5% relative

Certifications

• UL Listed Class 2 power supply
• Suitable for access control and fire alarm system use