21-FII Series Motors

The 21-FII Series motors meet world wide market needs.

• High performance reduces cost of ownership
• Compact size reduces installation costs
• New casting construction provides low noise and lower vibration
• High quality insulation system provides mechanical rigidity and electrical reliability

Design Feature

• Aluminum Die Cast Rotor
• Expanded cast iron fin frame
• Improved bearing maintenance
• Main terminal box located on top of the motor frame

Customer Benefit

• This rotor construction offers:
  • Greater capacity
  • High reliability
  • High frequent starting duty
  • Lower rotor inertia
• Improved ventilation flow and higher efficiency

• Improved bearing housing construction and longer bearing re-greasing intervals result in less maintenance and improved performance

  Motors with ball or roller bearings are equipped with grease supply nipple discharge devices for easy grease exchange

  Re-greasing allowed during motor operation

• Cables can be connected at every 90° or 180° angle, sufficient space for easy incoming cable connection

  The terminal box can be mounted on a slant (left and right) when required for side mount cable entry.