Specification Brand : MOICEYHF BulletPoint1 : 【Built-in pure copper coil】, the voltage transformer , more secure and durable so as to achieve high efficiency and with no waveform distortion. BulletPoint2 : 【AC POWER SUPPLY ADJUSTABLE】- This is a brand new variable transformer. output voltage can be adjusted from 0 to 300V AC. BulletPoint3 : 【COMPACT & HIGH ACCURACY】- Featuring clear voltage output meter/LCD screen, and precise metal pressure gauge, the variable transformer is designed with high grade accuracy and compact for easy transport. BulletPoint4 : 【SAFETY PROTECTION】- Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections. 1 power plug is available. BulletPoint5 : 【WIDE APPLICATION】- Widely used for motor speed control, label printing machine, labs, test for railroad switching, power supplies, satellite, equipment, telecommunication equipment, ect. Color : 36v 48v to 12v 40a ExternallyAssignedProductIdentifier : 7612345331911 ItemName : MOICEYHF 36V 48V to 12V 30A 40A Cart DC DC Buck Power Converter 36 48 Volt Reduce to 12 Volt Step Down Voltage Regulator Reducer (36V 48V to 12V 40A) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electronic-power-transformers Manufacturer : MOICEYHF ModelNumber : MOICEYHF NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : MOICEYHF ProductDescription : MOICEYHF