CNC ROUTER MILLING Air Cooled 0.4KW Spindle Motor & PWM Speed Controller & Mount. M – Insulation resistance:>2Megohm – Dielectric strength:400V – Motor Length : 186mm – Diameter:52mm – Axis collet Length: 48mm – Diameter of Axis collect holder:16mm – Repeat accuracy: 0.01-0.03mm – ER11 spindle motor collect: 3.175mm Wide voltage PWM DC brush motor speed controllerï¼ – Applies to DC12-60V low voltage permanent magnet brushed DC motor – Operating Voltage: Wide Voltage (DC) DC12V-DC60V (Max 65V) – Control mode A: Default potentiometer control (5K-100K), defaults 10K; B: MACH3 -PWM speed control signal input, external PWM input requirements: level 3.5-12V VPP, frequency 1K-10KHZ, suitable for MACH3 spindle speed control. Rated current: 10A, overload and short circuit protection current 12A. (Over-current cut output, overcurrent indicator flashes, the potential light is off, overcurrent lift). Prevent excessive current caused by the motor and power damage (default 0 seconds soft start), 0-5 seconds adjustable. Control power: 12V120W, 24V240W, 36V360W, 48V480W, 60V600W7. Dimensions: Length 75mm Width 75mm high 42mm 8. Pulse width modulation range: 0% -100% Note: When using a PWM signal control mode, need to unplug Potentiometer, or it will be unable to use PWM mode. Package Contentï¼ – 1 0.4KW spindle motor with with ER11 3.175 collet – 1 Mach3 PWM speed controller – 1 Mount bracket with screws. Usually it costs about 30USD-50USD. Thanks for your understanding. If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days.