Schlage PS902 2A Power Supply (12/24VDC) – UL Listed Access Control

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Schlage PS902 2A Power Supply (12/24VDC) – UL Listed Access Control

The Schlage PS902 is a high-performance 2-amp power supply engineered for demanding access control systems. Designed with flexibility and ease of installation in mind, it delivers regulated, filtered power at either 12VDC or 24VDC (field selectable). With universal AC input, optional battery backup, and compatibility with Schlage's full range of relay and fire alarm interface boards, this unit is ideal for commercial security systems. Its rugged NEMA Grade 1 enclosure, LED status indicators, and integrated safety features make it a reliable backbone for electrified hardware like strikes, maglocks, and card readers.
Key Features:
Constant Output Power:
2 Amps @ 12VDC or 24VDC (jumper selectable)

Maintains full output regardless of selected voltage

Universal AC Input:
Accepts 120–240 VAC, 50/60 Hz

Fused primary input for added protection

Filtered and Regulated Power:
Class 2 low-voltage output

Switching supply with 5% voltage regulation and 240 mVpp max ripple

Robust Enclosure:
14″ H × 12″ W × 4″ D baked enamel steel

Eight ½” × ¾” knockouts

Hinged cover with lockdown screws

NEMA Grade 1 rated

Visual Status Monitoring:
LED indicators for AC input and DC output

AC input LED visible externally

Isolated SPDT contacts monitor AC power loss

DC Output Protection:
Overload-protected with current-limited foldback circuitry

Battery Backup Support (optional):
Supports 900-BB (board only) or 900-BBK (board + battery pack)

Each battery weighs approx. 4.0 lbs

Expansion & Option Boards:
One slot for polarized plug-in board

Fire Alarm: 900-FA

Relays: 900-2RS, 900-4R, 900-4RL (logic capable)

Zone Boards: 900-8F (fused), 900-8P (PTC)

Connection Terminals:
AC input: 3-position terminal block, 10 AWG max

DC output: 2-position terminal block, 12 AWG max

Certifications:
ANSI/UL 294, ULC-S318, RoHS, FCC Part 15

Compliant with Class 2 standards

Operating Temp Range:
32°F to 120°F (0°C to 49°C)

Weight:
Approx. 8.0 lbs without battery

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Weight	8 lbs
Dimensions	15.00 × 13.00 × 5.00 in
Brand	Schlage
MOUNTING STYLE	Wall Mount
NOMINAL VOLTAGE RATING (AC)	120/240 VAC, 50/60 Hz, universal input
OUTPUT VOLTAGE RATING (DC)	12 VDC / 24 VDC
RIPPLE & NOISE	240mVpp max
ITEM HEIGHT	14 IN
MPN	PS902
FEATURES	Universal Input
ITEM DEPTH	4 in
COUNTRY/REGION OF MANUFACTURE	China
ITEM WIDTH	12 in
Condition	New – Open box
Condition Description	*** 60 DAY MONEY BACK GUARANTEE ***