Why should you compromise your design just because a catalog motor doesn't fit? At Terrui, we provide high-torque, external rotor EC solutions that actually adapt to your hardware. Whether you're working on precision HVAC, pump systems, or niche industrial automation, we deliver the quiet, direct-drive power you've been looking for.
If you're still relying on internal rotor motors tethered to belts or gearboxes, you're essentially designing in failure points. We've flipped that logic. By putting the rotor on the outside, the motor becomes the structural hub of your application.
Integrated Power: We embed the motor directly into your rotating components. No more mechanical coupling losses, and a much shorter axial length for your overall system.
Smart Cooling: In air or liquid-moving setups, the rotor surface is right in the flow. It's self-cooling by design, maintaining efficiency even when you're pushing it at peak loads.
Real-World Savings: We've re-engineered the electromagnetic circuit from the ground up. Our high-fill-factor winding gets you the same power with less copper. It's lighter, it's more compact, and frankly, it's a lot more cost-effective for your BOM (Bill of Materials).
Let's be real: in high-end manufacturing, "off-the-shelf" is usually a compromise. Our production line is built for the reality of non-standard requests. Whether it's a unique torque curve or a specific communication quirk, we're ready to tweak the details until it's right.
Fit Anywhere: Custom shaft extensions, weird mounting flanges, or specific cable exits? We do that. We adapt to your housing—you shouldn't have to redesign yours for us.
The Brains of the Operation: Our integrated EC drives don't just "support" PWM, 0-10V, or Modbus/CANbus—we fine-tune them. We can pre-program the firmware to handle your specific ramp-up speeds and safety limits right out of the box.
Built for the Trenches: We cover everything from IP44 to IP67. High humidity, dust, or wild temperature swings—we select the specific bearings, lubricants, and potting compounds that actually survive in your environment.
Product Model | Speed (RPM) | Input Power(W/HP) | Application |
115-30 | 770 | 350/0.5 | 38"Fan |
115-50 | 680 | 530/0.7 | 45"Fan |
148 | 505 | 1100/1.5 | 48"Fan |
206 | 490 | 1400/1.9 | 55"Fan |
206 | 444 | 1700/2.3 | 63"Fan |
254 | 360 | 2150/2.9 | 72"Fan |
254 | 325 | 2300/3.1 | 78"Fan |
308 | 320 | 3300/4.4 | 86"Fan |
368-60 | 310 | 5000/6.7 | 98"Fan |
368-95 | 300 | 8000/10.7 | 114"Fan |