Command Access PS220 – 2A 24VDC Power Supply with Battery Backup Support

Product Description

The Command Access PS220 is a compact, high-performance power supply designed for access control systems. Delivering 2 amps at 24VDC, it supports electric locks, solenoid exit devices, and latch retraction hardware. Built-in fire alarm link integration, regulated battery charging, and surge protection ensure reliable and safe operation.

Specifications

• Model: PS220

• Input Voltage: 120 VAC, 60 Hz

• Input Protection: 2 Amp Fuse @ 250VAC

• Output Voltage: 2A @ 24VDC with 2 solid-state outputs

• Power Tap: 0.5A @ 24VDC

• Backup Support: Includes cables for 2 × 12VDC 7AH batteries (batteries not included)

• Battery Features:

  • Independent regulated charging

  • Automatic uninterrupted power switching

• Fire Alarm Integration: Fire alarm link capability

• Voltage Controls: Output voltage trim pot and over-voltage protection

• LED Indicators:

  • Red: A/C power

  • Green: D/C output

  • Orange: Battery output

Features and Benefits

• Linear design delivers consistent inrush/hold current for solenoid applications

• LED indicators offer clear system monitoring at the door

• Solid-state outputs guard against shorts and power surges

• Simple wiring via removable euro connectors

• Battery backup ensures uninterrupted device operation during outages

• Supports electric locks, exit trim, and LP motor kits

• Made in the USA for reliable performance and quality control

Mechanical Details

• Enclosure Dimensions: 11″ W × 11″ H × 4″ D

• Knockouts: 1/2″ & 3/4″ knockouts on all enclosure sides

• Cover: Hinge-less removable (cam lock not included)

• Weight: 10 lbs (11 lbs shipping weight)

Environmental Specifications

• Operating Temperature: 0 to 49° C (32 to 120° F)

• Humidity Tolerance: Up to 85% non-condensing

Additional Information

The PS220 power supply is ideal for single-door or small system installations requiring dependable low-voltage output. It supports a variety of commercial access control components while ensuring uninterrupted functionality during power disruptions.