The Mean Well WDR-120-12 is a 120 W industrial DIN-rail power supply providing 12 V DC output. It is designed for industrial automation systems, control cabinets, and other industrial applications requiring stable and reliable power.

The power supply features a wide input voltage range of 180–550 VAC, allowing operation in single-phase or two-phase power systems. Cooling is achieved by free air convection without a fan, ensuring silent and reliable operation.

The unit includes protection against short circuit, overload, over-voltage, and over-temperature and features a DC OK relay contact for output status monitoring.

Key specifications:

• output voltage: 12 V DC

• rated current: 10 A

• rated power: 120 W

• input voltage range: 180–550 VAC

• efficiency: up to ≈89.5%

• operating temperature: −25 to +70°C

• mounting: TS-35 DIN rail

• warranty: 3 years