K Series

K Series

Designed for high-efficiency operation across a wide range of industrial applications, these motors deliver robust performance, minimal maintenance, and exceptional reliability.

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Product Description

Their enclosed rotor design ensures enhanced durability, while optimized electromagnetic characteristics provide high power density and energy efficiency. Suitable for applications requiring continuous duty and stable performance—such as pumps, compressors, fans, and conveyors—these motors offer a cost-effective and low-maintenance solution for demanding environments.

  • 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

  • Pumps
  • Blowers
  • Conveyors
  • Textile machinery
  • Compressors
  • Marine duty
  • Gearboxes
  • Heavy-duty cast iron housing, with integral feet for maximum structural strength
  • Protection degree: IP55
  • Insulation class F, with temperature rise limited to 80°C
  • PTC thermistors in windings (one per phase, series connected) for thermal protection
  • Oil seals on both drive end (DE) and non-drive end (NDE)
  • Top-mounted terminal box, rotatable 180° for flexible cable entry
  • High-quality bearings: SKF or NSK
  • Regreasable bearings starting from frame size 160 and above
  • Standard color: RAL 5010 (Blue)
  • Special voltages and frequencies upon request
  • Insulation class H for higher thermal resistance
  • Integrated brakes up to frame size 225
  • Forced cooling for constant torque operation with frequency inverters
  • Higher protection degrees: IP56 / IP65
  • Terminal box positioning: right- or left-hand side
  • PT100 sensors in windings and/or bearings
  • Non-standard (reduced) frames for compact designs
  • Drip cover (canopy) for shaft-down mounting
  • Anti-condensation heaters
  • Encoder for speed feedback and control
  • Insulated bearings for inverter duty applications
  • Roller bearings on drive end for high radial loads
  • Double shaft extensions
  • Epoxy resin encapsulated terminal box for harsh environments
  • Epoxy resin encapsulated windings for extra insulation
  • Silicone encapsulated terminal box for additional protection
  • Custom cable executions (terminal box or direct cable connection)
  • Additional terminal boxes for specific wiring configurations