WDR-120 Industrial DIN Rail Power Supply: Reliable Power for automation, DIY project engineering, test and measurement instruments

Wide Input Range:

One of the most distinctive features of the WDR-120 series is its ultra-wide AC input range. Supporting 180 to 550 VAC for single-phase and two-phase systems, the WDR-120 can operate on standard 230 VAC single-phase power systems or utilize one phase from 330 to 550 VAC three-phase systems. This flexibility greatly increases deployment options across different regions and power infrastructures.

The WDR-120 also accepts a DC input ranging from 254 to 780 VDC, making it suitable for applications where DC backup or alternative power sources are present. Whether you’re integrating into an existing single-phase system or leveraging a three-phase supply, the WDR-120 adapts seamlessly—eliminating the need for multiple power supply SKUs across different sites.

Slim Design:

Reliable Operation in Harsh Environments

Industrial environments demand power supplies that can withstand extreme temperatures, electrical noise, and continuous operation. The WDR-120 series is built to excel in these demanding conditions.

Wide Operating Temperature Range

The WDR-120 operates reliably across a temperature range of -25°C to +70°C, with natural convection cooling. The series can deliver 120W continuously up to 60°C ambient temperature using only free air convection, or operate up to 70°C with appropriate power derating. This wide thermal tolerance ensures consistent performance whether installed in unheated industrial facilities or high-temperature manufacturing environments.

Features:

The built-in constant current limiting circuit prevents excessive current draw during overload conditions, protecting both the power supply and connected equipment. When the fault condition is removed, the power supply automatically resumes normal operation.