Low Voltage Motors

LH Marthinusen provides specialised services for low voltage motors with ratings up to 1MW and 3.3kV. These machines are widely used across industrial applications and require structured maintenance, repair and refurbishment to ensure consistent performance and operational efficiency.

Motor Types and Configurations

Our capabilities cover a range of motor types and operating configurations, including:

  • Squirrel cage asynchronous motors
  • Synchronous motors and alternators
  • Slipring induction machines

Motors are supported across:

  • 2 to 8 pole designs
  • Variable speed applications
  • Flameproof, sparkproof and dustproof environments

Rewinding and Electrical Services

We carry out stator and rotor rewinds using both random and formed coil windings. Materials are selected according to application requirements, including:

  • Enamel wire
  • Inverter grade wire

Additional electrical services include:

  • Voltage modifications
  • Speed modifications

These services ensure motors are aligned with updated operational requirements.

Mechanical Repairs and Component Support

LHM provides a range of mechanical repair and component replacement services to maintain motor integrity and performance, including:

  • Core repair or replacement
  • Rotor re barring using various alloys
  • Rotor end ring replacement
  • Bearing changes
  • Terminal box adjustments
  • Cooler modifications
  • Base plate repairs
  • Shaft replacement
  • Slip ring and brushgear repair or replacement

Through controlled workshop processes and experienced technical teams, LH Marthinusen supports the reliable operation and refurbishment of low voltage motors across demanding industrial environments.