Meanwell WDR-120-12 DIN Rail Power Supply
The Meanwell WDR-120-12 Power Supply offers 120W, 12 output voltage, 10A, DIN rail Power Supplies. Manufactured by Meanwell under the Meanwell MDR-100-48 Power Supply category, this model belongs to the WDR series.
| Brand | Meanwell |
| Product Type | Power Supply |
| Model Number | WDR-120-12 |
Meanwell WDR-120-12 DIN Rail Power Supply β Technical Specifications
| Specification | Value |
|---|---|
| Series | WDR |
| Description | AC-DC Industrial DIN rail power supply; Output 12Vdc at 10A; metal case; Ultra wide input 180-550Vac for single and two phase mains network |
| Application | Installation UL 508ITE EN/UL/IEC 60950 |
| Technology | AC/DC |
| Power Format | DIN rail |
| Output Power (W) | 120 |
| Output Voltage (V) | 12 |
| Output Current (A) | 10 |
| Input Voltage (V) | 180 - 550 |
| IP Rating | No IP assigned |
| Width (mm) | 62 |
| Height (mm) | 148 |
| Depth (mm) | 142 |
| Dimming Technology | No Dimming |
| Control Signals | DC OK |
The WDR-120-12 SMPS from Meanwell features an ultra-wide input voltage range of 180β550V AC, supporting both 1-phase and 2-phase power networks in industrial automation settings. With its AC/DC conversion technology and rugged DIN rail format, it ensures a constant output of 12V DC at 10A, providing up to 120W of clean power for critical systems. This model meets UL 508 and EN/UL/IEC 60950 installation standards, ensuring global compliance for factory automation, instrumentation, and control panel applications.
Encased in a robust metal housing, it measures 62mm in width, 148mm in height, and 142mm in depth, striking a balance between performance and enclosure fit. Although it lacks an official IP rating, it is optimized for protected indoor installations. The unit also includes a useful DC OK signal output for real-time monitoring of power health, allowing integration with fault detection systems. The absence of dimming and control signal complications makes it a straightforward, reliable option in control systems that demand uninterrupted DC power.
With a focus on electrical resilience and global usability, the Meanwell WDR-120-12 SMPS is trusted by engineers for long-term deployments in power distribution panels, relay stations, and critical communication cabinets. Its ultra-wide voltage tolerance, compliance with international safety norms, and high-load capacity make it a dependable choice for OEMs, panel builders, and industrial maintenance teams alike.
