
AK Series
Aluminum Motors
Three-Phase IEC Motors – Frame Sizes IEC 56 to IEC 160
Voltage Range
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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
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Fans
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Pumps
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Gearboxes
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Compressors
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Textile machinery
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Food industry
Standard Features
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Industrial series aluminium housing motors, lightweight and robust
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Protection degree: IP55
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Insulation class F, with temperature rise limited to 80°C
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Removable feet, allowing terminal box positioning on right or left-hand side
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Terminal box rotatable 180° for flexible cable entry
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SKF or NSK bearings for high reliability
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Cast iron endshields for frame sizes 80–160
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Standard color: RAL 5010 (Blue)
Optional Features
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Special voltages and frequencies on request
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Insulation class H for higher thermal performance
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Brake kits available for all motor sizes
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Forced cooling for constant torque operation with frequency inverters
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Higher protection classes: IP56 / IP65
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Cast iron flanges and endshields for added robustness
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PTC or PT100 sensors in windings for thermal monitoring
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Reduced frame motors (non-IEC) for compact designs
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Anti-condensation heaters to prevent moisture buildup
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Roller bearings on drive end for high radial loads
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Double shaft extensions for dual-output needs
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Custom cable executions, with terminal box or direct cable connection
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Epoxy resin encapsulated terminal box for harsh environments
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Epoxy resin encapsulated windings for enhanced insulation
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Silicone encapsulated terminal box for extra protection