The 744B is part of the Pro Power line of electrical components. It is an adjustable step-down power converter, designed to provide a specified voltage output with higher input voltages. This converter can accept input voltage up to 110V AC, 230V AC, and 277V AC and provide outputs of 12VDC, 24VDC, and 48VDC. It is a UL Standard 1310 Listed product and has a Dielectric voltage withstand of 2000V AC. It has an output current rating of 10A, a Power Rating of 120W, and an efficiency rating of up to 81.7%. The 744B also includes short circuit protection, thermal overload protection, and over voltage protection.