Scanning For Ideas: Heavy-Duty Motors Can Handle Overspeeds
The BSM 25 and 33 brushless dc motors from Baldor Electric Co., Ft. Smith, Ark. (baldor.com), are available in ¼ to 3-hp versions rated at 320 Vdc.
Permanent magnets are on the
rotor and windings are on the stator. The motors
turn at 1,800 rpm despite temperatures
from 0 to 40°C, but can be run faster if an
application requires. The windings withstand
temperatures to 150°C, while the wiring
withstands 200°C and resists moisture. The
motor is housed in a sealed TENV enclosure
and the motor is UL, CE, and cUL listed.
High-energy neodymium magnets ensure
high-torque density. The units have NEMA
42/56 for base mounts.