scaleo systems Open & DIN Power Supply Units Power supply unit 628978 - scaleo systems VV-210134-0, Scaleo Systems manufactures the VV-210134-0, a 9 V DC, 10 W power supply unit. This PCB mount PSU, equipped with SMD components and solder lugs, is suitable for various circuit board applications. It is typically used for powering small electronic devices or systems requiring reliable low-voltage power. Scaleo Systems VV-210134-0 Power Supply Unit 9V DC 10W Flush Mounted