Brushless Drive

maxon precision motors (Fall River, MA) offers the EC 19 brushless DC motor available in three performance classes: the EC 19 at 60 Watts, the EC 19 at 120 Watts, and the sterilizable EC 19 at 120 Watts. The EC 19 at 60 W is equipped with a magnetic circuit designed for speeds of up to 80,000 rpm. The maximum continuous torque is 12 mNm, and the motor contains no Hall sensors. The EC 19 at 120 W was designed for speeds of up to 100,000 rpm, and delivers a high continuous torque of 24 mNm. Versions with and without Hall sensors are available. The EC 19 sterilizable at 120 W may be sterilized in an autoclave 1,000 times. With a maximum permissible speed of 100,000 rpm and 24 mNm continuous torque, this drive also withstands high temperatures and harsh steam cycles.