Specification Brand : DIYMakerLab BulletPoint : 1pc NEMA 17 Steppr Motor Accessories Plastic Bracket Support Mounting L Type Bracket Mount 42 Stepping Stepper Motor CNC parts BulletPoint1 : 1. Input supply voltage: 6V - 24V DC; PWM frequency: 21kHz; Duty Cycle adjustable: 0%-100%; Current rating: 30A BulletPoint2 : 2. DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM) BulletPoint3 : 3. Control the forward or reverse direction and the stop of DC motor by button switch. BulletPoint4 : 4. Press the green button, the motor reverses rotates; and release the button, the motor stops BulletPoint5 : 5. Press the red button, the motor clockwise rotates; and release the button, the motor stops BulletPoint6 : Weight: 250g; Package Includes: 1 x Manual AC Contactor CircuitBreakerType : Standard Color : green CurrentRating : 50 amps ExternallyAssignedProductIdentifier : 5394239543083 ExternallyAssignedProductIdentifier1 : 0755824176652 ExternallyAssignedProductIdentifier2 : 755824176652 IncludedComponents : 1PC PWM Motor Speed Controller ItemName : 1pc NEMA 17 Steppr Motor Accessories Plastic Bracket Support Mounting L Type Bracket Mount 42 Stepping Stepper Motor CNC Parts ItemPackageDimensions_Height : 3.2 inches ItemPackageDimensions_Length : 3.7 inches ItemPackageDimensions_Width : 1.6 inches ItemTypeKeyword : motor-mounts Manufacturer : DIYMakerLab Material : Plastic Material1 : alloy_steel Material2 : iron Material3 : Metal Material4 : Aluminum Material5 : copper ModelNumber : Controlador de velocidad del motor PWM MountingType : DIN Rail Mount NumberOfItems : 1 NumberOfPoles : 2 PartNumber : Ycx_QAD10624 ProductDescription : Please note: Picture and Measurement just for reference.the actual delivered goods shall prevail ! Include : 1pc motor bracket ProductSiteLaunchDate : 2021-07-03T04:16:12.654Z Size : US Plug SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 26101200 Voltage : 110 volts