Schlage Power Supplies and Accessories PS900 Series PS904 4A @ 12/24 VDC 2 Distribution and 1 Battery Backup Boards

The Schlage comprehensive line of power supplies and option boards was designed to address the changing needs of the access control market.

Common to the line of PS900 Series power supplies is a constant output rating at both 12v and 24v settings, universal 120 VAC to 240 VAC input, and polarized option board connectors. New fire alarm interface board mounting allows outputs to be configured as switched (power cut) or unswitched (power continues) when signal is provided.

• 4A @ 12/24 VDC constant output, field selectable with jumper
• Provides low-voltage, Class 2, filtered and regulated power 
• Universal 120-240 VAC, fused primary input
• Two polarized option board connectors eliminate need for racks and side connectors
• AC input and DC output monitoring circuit with LED indicators
• Externally visible AC input indicator with isolated SPDT contacts
• High-voltage protective cover for AC circuitry (not shown)
• Battery back-up board auto-selects voltage
• Optional Fire Alarm plug-in board available
• UL 294, ULC-S318, RoHS, and FCC Part 15 certified

Input voltage 120/240 VAC, 50/60 Hz, universal input

Output voltage 4A @ 12 or 24 VDC
Field selectable with jumper Switching supply, 5% regulation, 240mVpp max ripple

Enclosure Grey/baked enamel
14" x 12" x 4" (H x W x D)
Eight 1⁄2" x 3⁄4" knockouts
NEMA Grade 1
Hinged cover with lock down screws