K8 Series

Compact, light-weight gearmotors providing high-torque and high-reliability. These gearmotors feature helical gears that can transfer higher loads at greater speeds due to the gradual engagement of the teeth and smooth transfer of the load.

  • Class F Insulation, Inverter Duty
  • Premium Efficiency Motor
  • Class F Insulation
  • Long Life
  • Mount in Any Direction
  • Terminal Box Jumpers included
Brands: KASUTO

General Technical Data

  • Rated Power


  • Ratio



Technical Specifications of K8 Series
Motor Number of Phase 3-Phase 1-Phase
Capacity 0.1kWー3.7kW  0.1kWー1.5kW 
Power Source Standard Voltage 220V/50Hz,380V/50Hz Standard Voltage 220V/50Hz
Insulation Classification Class B Class B
Starting Method Direct Start Capacitor Start
Protective Cooling Method Totally enclosed fan-cooled (totally enclosed only for 0.1kW without brake) Totally enclosed fan-cooled (totally enclosed only for 100W without brake)
Number of Pole 4
Rating Continuous Rating
Reducer Reduction Method Helical Gear
Lubrication Method Grease Lubrication (Maintenance Free)
Output Shaft New JIS Key (JIS 1301-1996 Standard) Note) Key materials are included. 
Output Shaft Material S43C
Case Material Aluminium Die-cast(Frame No. 50: Cast Iron)
Ambient Conditions Ambient Temperature -10°C‒+40°C (Note)
Ambient Humidity 85% Max. (Without Any Dew Condensation)
Altitude 1,000m Max.
Environment Well ventilated place free from corrosive gas, explosive gas, vapors and/or dust.
Installation Location Indoors
Painting Painting Method Anion Painting, Acrylic Paint
Painting Color White (Ral code: 9002)
Mounting Direction No Restrictions in the Mounting Angle, Such as Horizontal, Vertical, Inclined, or Other Angles

Model designation

K8L Foot base

K8L18, K8L22, K8L28, K8L32, K8L40, K8L50

K8F Flange base

K8F18, K8F22, K8F28, K8F32, K8F40, K8F50
ABM (44)