Description Machifit ER11 Chuck CNC 500W Spindle Motor with 52mm Clamps and AC 110 220V Power Supply Speed Governor For CNC MachineIt is a upgraded AC 110 220V one and now it can be used in AC 110 220V±10 50 60Hz power supply If you want the AC 110 220V Power Supply Speed Governor separately please click here Product ID 1160828 Here are the link ofthe CE Certification and the Enviromental Certification and you can copy the link and download it CE Certification click hereEnvironmental Certification click hereSpecification Brand MachifitDimension130mm 100mm 50mm L W H InputAC110 220V±10 50 60HzSpindle Motor500wSpindle Speed3000 12000r minMotor Diameter52mmMotor Length208mmOperating Voltage Output Voltage 100V DCCurrent6ASpeedUp to idle up to 15 000 rev minTorque5000G CMInsulation Resistance 2 megohmsDielectric Strength400VHigh precision spindle runout 0 01 0 03Chuck size Style ER11Chuck Size 1 8 Material High Grade 45 Carbon SteelTotal height 18mmOuter diameter Max 11 5mmGripping Range 3mmSmall diameter 7 8mmFits metric shank size s 3mm metric shank Nut Size Inner Diameter 8 7mmHeight 13mmDiameter 17mmOuter Diameter 19mm Package Included 1 x 500W Spindle Motor1 x Power Supply1 x 52MM Mount Bracket1 X ER11 Collect4 x ScrewsNote the wire and could be connected in both position as you want but make sure the output and input voltage position to be correct More Details