PM50 Series

PM50 Series

PM40 Series

SDT offer a variety of standard sizes. We offers a complete line of 30 to 124 mm diameter permanent magnet DC (PMDC) motors. If mechanical modifications are needed custom options are available for your specific application. Our engineering department is prepared to discuss your application to help tailor a PMDC motor to fit your needs.


  • Long-life, externally replaceable brushes; various grade materials available for high / low voltage applications
  • Superior protection provided by totally enclosed, high strength, zinc plated steel housing
  • Shaft configuration optional
  • Machined aluminum end-cap for precise locating; round or square
  • Precision-tapped mounting holes provided to your specifications
  • Silicon steel laminations
  • Diamond turned commutator for quiet operation and long brush life
  • Skewed rotors available for minimal cogging torque
  • Rotors are dynamically balanced to ISO G2.5
  • Available with standard NEMA mountings
  • Polyester resin impregnated insulated windings
  • Double-shielded, permanently lubricated ball bearings, ABEC 5 standard; others optional


  • Optional pre-aligned encoders provide accurate positioning
  • Tachometers are available – 7, 10, 14 V / KRPM
  • These motors offer continuous torques up to 4 Nm, peak torques up to 24 Nm
  • Motor lengths – Up to 245 mm.
  • Diameter – 30 to 124 mm
  • Permanently lubricated bearings
  • Available with carbon steel or stainless steel shafts; single or double ended extensions

Custom shaft and end cap configurations are also available.

Typical Applications

Robotics and factory automation

  • Pick-and-place robots
  • Positioning tables
  • Welding wire feeders
  • Automatic guided vehicles
  • Barcoding equipment

Computer and office equipment

  • Copier and microfilm machines
  • Printers / plotters
  • Tape drives
  • Industrial equipment
  • Automatic door actuators
  • Material handling equipment
  • Packaging, marking and sorting equipment
  • Machine tools
  • Web drives
  • Gimbal controlled cameras for security systems
  • Antenna drives

Medical equipment

  • Electric wheelchairs and scooters
  • Bio-analytical equipment
  • Medical pumps
  • Centrifuges