Innomotics 1FW4 high-torque direct drive motors for low-speed, high-torque applications. Water-cooled and air-cooled versions, 200-800 rpm, up to 2000 kW.
114 products available in 4 product families — Request a quote
Select a family to view the individual products and technical specifications.
High-torque direct drive motors with air cooling for simplified installation
Innomotics 1FW4 air-cooled high-torque direct drive motors. Self-ventilated design for applications ...
High-torque direct drive motors with water cooling for maximum power density
Innomotics 1FW4 water-cooled high-torque direct drive motors. Frame sizes 401-508, rated speeds 200-...
HT-direct torque motor 1FW4453, high-torque low-speed permanent magnet synchronous motor. Water-cool...
HT-direct torque motor 1FW4508, high-torque low-speed permanent magnet synchronous motor. Water-cool...
Innomotics high-torque direct drive motors (HT-direct) represent the cutting edge of electric motor technology, using permanent magnet synchronous designs to deliver exceptional torque density without the need for mechanical gearboxes. By coupling the motor shaft directly to the driven load, these motors eliminate gear losses, reduce maintenance, and achieve unprecedented levels of efficiency and precision.
The elimination of the gearbox brings transformative advantages: mechanical efficiency improvements of 5-15% compared to geared systems, zero backlash for precise positioning, dramatically reduced noise and vibration, simplified mechanical design with fewer moving parts, and maintenance intervals measured in years rather than months. The total cost of ownership is typically lower despite the higher initial investment.
Innomotics HT-direct motors are ideal for low-speed, high-torque applications across diverse industries. Extruders, mixers, agitators, large conveyors, winding machines, rotary tables, and marine propulsion systems all benefit from the compact design, high efficiency, and precise controllability of direct drive technology.
Operated exclusively with Innomotics SINAMICS frequency converters, HT-direct motors provide a fully integrated drive system with advanced torque control, energy optimization, and predictive maintenance capabilities. Our drive engineering team provides complete application support from motor sizing through commissioning and lifecycle service.
Our engineering team can help you select the optimal Innomotics product for your application. Get a custom quote within 4 business hours.
Request a Custom Quote