USB Solid-State Relay Interface (5 Amp)

2 Channel

(Similar Product: ADU222 USB Relay Module (2amp@120V))

ADU252 USB Relay Module


The ADU252 USB Solid-State Relay Interface allows control of 2 PhotoMOS SSR outputs via a USB port. High quality PhotoMOS solid-state relays (Panasonic AQZ202G) switch AC or DC loads. Suitable for 5V, 12V, 24V or 48V control applications. This USB Solid-State Relay Interface is easy to use with VB, VB.NET, C, Python, MATLAB, LABView etc. via standard HID drivers included with Windows. A mini-driver (DLL) is also provided allowing control using standard ASCII commands using familiar readfile, writefile commands. The ADU252 includes a 10' USB cableand a flange mount enclosure. An optional DIN rail version is available.

Download the ADU 252 User Manual

ADU252 3D Model IconDownload ADU252 3D STEP files for FLANGE or DIN mounting types.

Key Features

Technical Specification

Supply Voltage NONE (Bus Powered)
Supply Current (Relays De-energized) 12mA Typical 15mA Max
Supply Current (All Relays Energized) 40mA Typical 50mA Max
Operating Temperature 0-50C
Type PhotoMOS - Normally Open
AC Ratings 5.0 Amps @ 30VAC MAX
DC Ratings 5.0 Amps @ 48VDC MAX
On-state Resistance Typical 15 mOhm
On-State Resistance Maximum 30 mOhm
Maximum Operating Speed 1CPS at full load
Isolation Voltage 2500Vrms
Safety Approvals UL, CSA (CUS)
Mounting Options FLANGE, DIN Rail


ADU252 Qty 1-4


ADU252 Qty 5-9


ADU252 Qty 10+


IMPORTANT: Specify mounting option when ordering. -FLANGE or -DIN (optional). See Mounting Options for details.

Mounting Options

ADU70 DIN Mount
A $5 surcharge applies to the DIN RAIL option.