MEAN WELL DDR-120A-12 power adapter 120 W 12 V RoHS

The MEAN WELL DDR-120A-12 is an ultra-slim industrial DC-DC DIN-rail converter that accepts a 9–18 V DC input and provides a single regulated 12 V DC output rated at 8.3 A (120 W). The module is RoHS compliant and has compact DIN-rail-friendly dimensions (32 mm × 102 mm × 125.2 mm), designed for reliable voltage conversion in control cabinets and industrial automation equipment.

Advantages

The DDR-120A-12 delivers a stable 12 V output with 120 W continuous power in a narrow, space-saving housing suitable for DIN-rail mounting. RoHS compliance ensures reduced environmental impact, and the converter’s industrial design supports integration into control panels and automation systems where reliable DC-DC conversion is required.

Suitable for

• Powering 12 V devices in industrial control cabinets
• Battery-backed systems and vehicle electronics with 9–18 V input ranges
• Automation modules, PLCs, and field instrumentation

Key specifications

• Input voltage: 9–18 V DC
• Output voltage: 12 V DC
• Output current: 8.3 A
• Output power: 120 W
• Mounting: DIN-rail
• Dimensions (W×D×H): 32 × 102 × 125.2 mm
• Compliance: RoHS
• Brand / MPN / EAN: MEAN WELL / DDR-120A-12 / 4021087051064

How to use

Mount the converter on a standard DIN rail inside a control cabinet. Connect a suitable 9–18 V DC supply to the input terminals observing polarity. Connect the 12 V DC output to the load, ensuring the load current does not exceed 8.3 A. Provide adequate ventilation and follow national electrical codes and MEAN WELL wiring instructions during installation.

Recommendations

Install the unit in an environment within the manufacturer’s specified temperature range, avoid excessive vibration, and use proper fusing on input and output circuits to protect the converter and connected equipment.