Dehner Elektronik ATS 120A1-P120 AC/DC Desktop Power Supply 12V 9A 120W Stabilized

Delivering a regulated 12 V DC at up to 9.0 A, the Dehner Elektronik ATS 120A1-P120 is a robust desktop power supply built for continuous 108 W output with a 120 W series rating. Its wide 100–240 V AC input and DOE Level VI efficiency make it a dependable choice for international use and energy-conscious setups.

Overview

The ATS 120A1-P120 is a stabilized AC/DC switching power supply in a desktop form factor. It converts mains AC to clean 12 V DC with tight regulation, suitable for powering sensitive electronics, LED lighting, industrial controls, and other 12 V devices requiring up to 9 A. The unit features an IEC C14 input connector for a standard AC power cord (cord not included) and a 1.2 m output cable terminated with a 5.5 x 2.1 mm center-positive DC plug—the most common size for 12 V equipment.

What stands out

• High current capability: 9.0 A continuous output for demanding loads.
• Universal AC input: 100–240 V, 50/60 Hz for worldwide operation.
• DOE Level VI efficiency: meets strict energy-efficiency standards, reducing power waste and heat.
• Comprehensive protection: overload, overvoltage, and short-circuit safeguards ensure long-term reliability.
• Stabilized output: low ripple and noise for stable performance of sensitive circuits.

Technical details

• Output voltage: 12 V DC (regulated)
• Output current: 9.0 A
• Continuous output power: 108 W (model series rated 120 W)
• Input voltage: 100–240 V AC, 50/60 Hz
• Efficiency level: DOE Level VI
• Input connector: IEC C14 (AC cord not included)
• Output connector: DC plug 5.5 x 2.1 mm, center positive
• Output cable length: approx. 1.2 m
• Protection: overload, overvoltage, short circuit
• Operating temperature: 0°C to 40°C
• Certifications: CE, RoHS

Our verdict

With its high 9 A current, universal input, and robust protection, the ATS 120A1-P120 is a workhorse power supply for professionals and hobbyists alike. Its stabilized output and efficiency rating make it a reliable, future-proof choice for any 12 V application.