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Helical Gear Motors
Durable, versatile gear motors for a wide range of industrial applications.
LOHER Helical Gear Motors are designed for long-lasting performance and low maintenance, combining high-strength gears with modular IEC construction. With hardened and ground gears, these motors deliver smooth operation, high torque, and reliable performance even in demanding and corrosive environments. Compact, modular design ensures easy installation and universal applicability.
Key Features & Benefits
Hardened and ground gears for wear-free, long-lasting operation
Geared coupling for compact design and simple installation
Modular IEC flange for versatile applications
Optional free input shaft for flexible integration
Suitable for corrosive or challenging environments
IE3 efficiency for reduced energy consumption
Low maintenance and long service life
| Feature | Specification |
|---|---|
| Gear Ratio | 3.71:1 – 1,546.06:1 |
| Output Speed (rpm) | 0.85 – 765 |
| Nominal Torque (Nm) | 1.38 – 2,590 |
| Max. Torque (Nm) | 2,590 |
| Motor Type | 3-phase (IEC) AC motor |
| Power Range | 0.09 – 22 kW |
| Voltage / Frequency | 230/400V – 50Hz, 400/690V – 50Hz |
| Efficiency Class | IE3 (≥0.75 kW – 2 / 4 / 6 poles) |
| Protection Class | Standard IP55, up to IP66 |
| Insulation Class | F |
| Material | Cast Iron |
| Lubrication | ISO VG220 mineral oil |
| Lifetime (L10h) | > 15,000 hours |
| Certificates | CE, UL/CSA |
Optional Features
MIG encoder for smart drives
IEC flange
Free input shaft
PTC thermistor
Bimetal temperature switch
Brake-motors
Pole-changing motors
ATEX motors
DC motors
Special voltage/frequency
Increased protection
Reinforced output shaft bearing
Stainless steel output shaft
Forced ventilation
Variations & Mounting Options
IEC Motor Sizes: IEC 56 – 112
Mounting: Foot-mounted, Flange-mounted
Output Shaft Diameter: 18 – 75 mm
Coating / Color: According to ISO 12944, standard RAL7031