Three-Phase IEC Motors – Frame Sizes IEC 56 to IEC 160

Voltage Range

• Up to 3 kW (4 HP):
  380–420 V / 220–240 V (Y/Δ) – 50 Hz

• From 4 kW (5.5 HP) and above:
  660–725 V / 380–420 V (Y/Δ) – 50 Hz

Main Applications

• Fans

• Pumps

• Gearboxes

• Compressors

• Textile machinery

• Food industry

Standard Features

• Industrial series aluminium housing motors, lightweight and robust

• Protection degree: IP55

• Insulation class F, with temperature rise limited to 80°C

• Removable feet, allowing terminal box positioning on right or left-hand side

• Terminal box rotatable 180° for flexible cable entry

• SKF or NSK bearings for high reliability

• Cast iron endshields for frame sizes 80–160

• Standard color: RAL 5010 (Blue)

Optional Features

• Special voltages and frequencies on request

• Insulation class H for higher thermal performance

• Brake kits available for all motor sizes

• Forced cooling for constant torque operation with frequency inverters

• Higher protection classes: IP56 / IP65

• Cast iron flanges and endshields for added robustness

• PTC or PT100 sensors in windings for thermal monitoring

• Reduced frame motors (non-IEC) for compact designs

• Anti-condensation heaters to prevent moisture buildup

• Roller bearings on drive end for high radial loads

• Double shaft extensions for dual-output needs

• Custom cable executions, with terminal box or direct cable connection

• Epoxy resin encapsulated terminal box for harsh environments

• Epoxy resin encapsulated windings for enhanced insulation

• Silicone encapsulated terminal box for extra protection