PS-2420S

The Aiphone PS-2420S is a universal 24V DC power supply (2A, 65W equivalent) designed for GT Series intercom systems and other Aiphone installations requiring stable low-voltage DC power distribution.
It's the China/Asia variant of the PS-2420 series with universal AC input and included AC cord, featuring surface/single-gang mounting and polarity-protected screw terminals for reliable indoor deployment.
Key Specifications
Feature
Specification
Input Voltage
AC 100-240V, 50/60Hz (110-140VA consumption) 
Output
DC 24V, 2A (Class II power supply) 
Mounting
Wall/screw or single-gang box ​
Dimensions
167 × 90 × 52 mm (6-9/16" × 3-9/16" × 2-1/16") 
Weight
Approx. 650g ​
Temperature
0°C to +40°C (32°F to 104°F) ​
Connections
DC +/- screw terminals; grounding terminal ​
Certifications
Varies by region (UL/CSA equivalents) ​