Key Features High-quality Materials: The housing of this product is made of high-quality aluminum alloy, which is strong, durable, wear-resistant, anti-shock, high-temperature resistant, and can protect the internal parts well. The coil inside is made of copper, which has good conductivity and can dissipate heat well. Stable Operation: The ball bearings are equipped on both ends of the rotor of the motor, which makes the motor run with low friction and produces low temperature, giving you a more stable operation. Application This product is widely used in industrial assembly lines, intelligent equipment, printing machinery, textile machinery, instrumentation, food machinery, power transmission and transformation equipment, road gate machines, logistics equipment, security check facilities, financial equipment, new energy, industrial robots, and other industries. Specification Color: Grey, Green Housing Material: Aluminum Alloy Coil Material: Copper Voltage: 220V Power: 40W Assembly Required: Yes 20K Rated Speed: 0-1400rpm Output Speed Range: 0-68rpm (Infinitely Adjustable Speed 0%-100%) Reduction Ratio: 20K Noise: about 40db Net Weight: 3.2kg/7.05lbs Gross Weight: 3.85kg/8.49lbs Package Size: 25.3*24*12.5cm/9*9*4inch Speed Governor Size: 100*90*60mm/3.9*3.5*2.4inch Motor Size: 90*74*118mm/3.5*3*4.6inch Speed Reducer Size: 90*74*61mm/3.5*3*2.4inch Diagonal Mounting Hole Diameter: 104mm/4.1inch Hole Diameter: 8mm/0.3inch 15K Power Phase: Single-Phase Motor Type: Gear Reduction Asynchronous Motor Motor Speed: 90-1350RPM (50Hz), 90-1650RPM (60Hz) Reduction Ratio: 15K Reducer Rated Speed: 0-90RPM Torque: 3.86N.m Output Shaft Diameter: 12mm/0.47in Motor Size: 11.8*9*9cm/4.65*3.54*3.54in Reducer Size: 4.1*9*9cm/1.61*3.54*3.54in Package Size: 25*24*14cm/9.84*9.45*5.51in Gross Weight: 3.98kg/8.77lbs Net Weight: 3.2kg/7.05lbs Package Included 1* Gear Motor 1* Speed Governor 1* English Manual Notes 1.When the motor is working, it is normal for the temperature to rise to about 65℃/149℉. Please rest assured that it will not affect your use. 2.Please do not knock the motor and the body of the governor. 3.Please disconnect the power supply before changing the wire. 4.Please read the manual completely before installation and use, and pay particular attention to the safety instructions included.