Helical Worm Geared Motor
- IRSD Series -
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Helical Worm Geared Motor
- IRSD Series -
The worm gear units, IRSD series remains one the best solution for simple applications in need of high ratios. The design of the gearbox makes it very cost effective.
The combination of helical and worm gears offer various options of torque and speed in a reduced housing. With a reduced noise and increased efficiency compared to simple worm gear units, the IRSD Series offers a great solution for various applications.

Input Options |
Without motor, with PAM flange |
With motor |
With motor, with PAM flange |
Type | Torque (max.) | Shaft Diameter |
IRSD 43 | 125 Nm | Ø 20 |
IRSD 53 | 415 Nm | Ø 25 |
IRSD 63 | 825 Nm | Ø 30 |
IRSD 73 | 1465 Nm | Ø 40 |
IRSD 83 | 2650 Nm | Ø 50 |
IRSD 161 | 4820 Nm | Ø 70 |
Applicable Motor Power |
0,09 kW 11 Kw |
Range Of Ratios |
20 d/d 370 d/d |

IRSDM (Foot mounted, Motor)
IRSDFM (Flange Motor)

IRSD (Foot mounted)
IRSDF (Flange)