Description

Product Overview

Altronix AL400ULB power-limited supply/charger converts a 28VAC / 100VA input into a Class 2 Rated power-limited 12VDC or 24VDC output. Featuring an electronically regulated output and short circuit/thermal overload protection, the AL400ULB ensures consistent performance. When AC power is interrupted, the power supply automatically switches to the stand-by battery (battery sold separately). The power limited output is Class 2 Rated.

Features and Specifications

• Input:
• Power input: 28VAC, 175VA
• 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 switchover to stand-by battery when AC Fails

* Back-up Batteries Sold Separately

Supervision

• AC fail supervision (form "C" contacts)
• Low battery supervision (form "C" contacts)

Visual Indicators

• Input and output status LED indicators.

Electrical

• System AC input VA requirement: 166.75VA

Agency Listings

• UL Listed for Access Control System Units (UL294)
• UL Listed for Power Supplies for use with Burglar Alarm Systems (UL603)
• UL Listed for Power Supplies Fire Protective Signaling Systems(UL1481)
• NFPA 72 Compliant

Dimensions

• Dimensions (approximate): 7.1 inches L x 4.1 inches W x 1.75 inches H (180.34 mm L x 104.14 mm W x 44.45 mm H)