Altronix AL600ULXB, a robust power supply/charger board widely used in access control and security systems:

 Key Specifications

• Input Voltage: 115VAC, 60Hz, 3.5A
• Output Voltage: Selectable 12VDC or 24VDC
• Output Current: Up to 6A continuous supply
• Battery Charging: Built-in charger for sealed lead acid or gel batteries
• Backup Mode: Automatic switch to battery during AC failure (zero voltage drop)

 Supervision Features

• AC Fail Supervision: Form “C” contacts with selectable delay (30 sec or 6 hrs)
• Low Battery & Battery Presence Supervision: Form “C” contacts
• Visual Indicators: LEDs for AC input and DC output status

 Protection & Reliability

• Filtered and electronically regulated output
• Short circuit and thermal overload protection
• UL Listed for access control, fire alarm, and burglar alarm systems

 Dimensions & Environment

• Board Size: Approx. 7.1" × 4.5" × 2"
• Operating Temp: 0°C to 49°C (32°F to 120°F)
• Storage Temp: -20°C to 70°C (-4°F to 158°F)
• Humidity: Up to 85% RH