Maxon 421815 1644578 DC MotorMaxon DC Motor 421815 (1644578) An extendedlength RE 32 HP coreless DC motor variant, offering increased winding turns for higher torque. Suited to loads requiring occasional peak torque, such as valve actuators and small robotics. Key Specifications Model: RE 32 HP XL (421815 variant) Part Number: 1644578 NoLoad Speed: 3,600 rpm Stall Torque: 35 mNm Rated Current: 1. 5 A Rotor Inertia: 30 gcm Dimensions: 32 26 mm Operating Life: > 2,000 h at 50 %