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Cast Iron Frame for Zone 21 - Premium Efficiency - IE3

Typical Applications

These motors are designed to operate in areas that can release flammable dust or in atmospheres where explosions can occur due to a mixture of air and dust:

  • Sugar refining plants
  • Breweries
  • Cement plants
  • Textiles, pharmaceutical, chemical and agricultural process industries
  • Other several duty applications

Standard Features

  • Three-phase, multivoltage, IP66, TEFC
  • Output: 0.75 up to 315 kW
  • Frames: 63 up to 355M/L
  • Voltage:
    • 220-240/380-415V (up to 100L)
    • 380-415/660V (from 112M and up)
  • Class “F” insulation (_T=80K)
  • Continuous duty: S1
  • Design N
  • Ambient temperature: 40°C, at 1000 m.a.s.l.
  • Squirrel cage rotor/Aluminium die cast
  • Oil Seal (frames 63 up to 80)
  • W3Seal (frames 90S up to 355M/L)
  • Anti-condensation drain holes
  • Temperature Classification: Zone 21-maximum guaranteed external surface temperature T125ºC temperature limitation because of the presence of dust clouds (for material with ignition temperature above 125ºC) and presence of dust layers (up to 5mm)
  • Regreasing nipples from frame 225S/M and above
  • Metric thread cable entries in terminal box
  • Thermistors (1 per phase) 140°C
  • Suitable for Inverter Duty applications
  • Color: RAL 6002
  • Options Available

  • Degree of Protection: IP65
  • Bearing seals:
    • Oil seal (frames 90S up to 355M/L)
  • Thermal protection:
    • Thermostats
    • RTD-PT 100
  • Space heaters
  • Design H
  • Class “H” insulation
  • Roller bearings for frame 160M and above

More options available, on request