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Merkle-Korff AC Parallel Shaft Gearmotors
AC Parallel Shaft Gearmotors
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AC Specification Form (pdf)

The Merkle-Korff line of AC Gearmotors offer customers maximum application flexibility in gearmotors designed to exacting specifications. All models offer custom windings, gear-ratios and a wide variety of accessories to meet specific performance requirements.


  • Customized output shafts
  • Various lead lengths, termination and
    custom harnesses
  • Various mounting options
  • Cone brake, positive stop brake and coil
    spring break
  • Needle bearings for high radial loads
  • Deep case for high radial loads
  • Deep case for higher torque applications
  • Cooling fan
  • Tapped windings (3700, 4500 and 4400)
  • UL, CSA, CE


Type Zinc die cast AC gearmotor
Output speeds 1-250 rpm*
Voltage 24V - 230V, 60Hz, 50Hz
Bearings Self-aligning sintered bronze with large oil reservoir
Terminations Spade terminals or leads
Protection Impedance or thermally protected
Duty cycle Intermittent or continuous
Motors available 3400, 3700, 4500, 4400
Rotation Unidirectional; PSC - reversing
Cover Stamped steel or die cast

*Note: Speed and torque combinations will vary depending on the motor/gearbox combination.


  • Conveyor toasters
  • X-ray equipment
  • Pumps
  • Ingredient motors
  • Water softeners
  • Vending
  • Food and restaurant equipment
  • Amusement devices
  • Valve actuators
  • Security systems
  • Displays



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