Motor Heaters

Motor Heaters have wire-wound or etched foil heating circuits laminated between thin layers of fiberglass-reinforced, high temperature insulation, silicone rubber. They help prevent moisture build-up in electrical motors by warming the motor's electrical windings, helping to extend motor life. Custom products available.


  • 120V and 240V standard
  • Operating temperature range of -70°F to 400°F
  • Resistant to many chemical substances

Typical Applications

Provide condensation build-up protection and freeze prevention in electric motors:

  • Shipboard and marine equipment such as pumps
  • Dockside equipment such as cranes and elevators

Additional Information

How to Order

  1. Determine specifications required (see Figures 1 and 2) in Product Data Sheet.
  2. Specify model number (see Figure 2) in Product Data Sheet.
  3. Contact factory or representative.