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First thing you need to know is our company have these ready for EU and UK import—ISO9001 and CCC certs are standard with every unit, plus we'll include the CE declaration of conformity and packed-for-shipment docs so customs doesn't hold you up, not that 250KW is a small commodity to clear but we've done teh paperwork for dozens of these into Hamburg and Felixstowe (usually 2-3 weeks door-to-door).
Basically the rotor construction can be copper-bar or cast aluminun, and most buyers go with copper if they're running continuous duty at full load because of that it sheds heat better over time—give or take 2-3% efficieny gain at sustained operation though aluminum handles the 380/660V delta-start just fine for star-delta starting installations, we usually stock copper unless you need lead time under 20 days or so.
It's IP54 as standard but we can spec IP55 on the same frame at no extra if your enviroment has any mist or washdown risk, and the insulation can go F or H class with temperature rise measured at B—one detail that catches people: the ambient temp range is -15 to +40°C but anything above 1000m altitude and you'll need to derate power about 1% per 100m.
So the noise level is low by design—precision balanced rotor and those split cooling paths really make a difference, anyway.
One thing we don't recommend is using this for frequent reversing or high-torque kicks in conveyor startup without checking load inertia first, because the squirrel-cage starting torque is decent but it's not high-slip motor for those application, steady 1480rpm at 50Hz is what it does best with compressors or pumps running constant load profiles.
Our MOQ is typically 10 units for the YE3-355M-4, but we can adjust depending on volume and stock availability. Just reach out and we'll see what works.
Lead time is usually 30-45 days from order confirmation, but we can expedite to 20 days if you need it faster. Custom specs might add a week or two.
Yes, we include both ISO9001 and CCC certificates with every motor. We can also supply test reports and other quality docs on request.
Absolutely, the motor supports 380V/660V and 660V/1140V configurations. Just specify your voltage at order, and we'll set the windings accordingly—performance stays IE3 efficiency across all options.
Store it indoors in a clean, dry place between -15°C and 40°C, with humidity below 90%. Keep it covered to avoid dust, and rotate the shaft every few months to prevent bearing damage.
Excellent experience from start to finish. The delivery was incredibly fast and handled with great care, arriving well ahead of schedule. The packaging was robust and secure, ensuring the motor was perfectly protected in transit. Every aspect of the service was professional and responsive; all inquiries were answered promptly and thoroughly. The quality of the motor itself is immediately apparent, with solid construction and a finish that speaks to high manufacturing standards. The entire process was seamless and reliable, making for a very satisfactory purchase overall. Highly recommend this supplier for their outstanding logistics and commitment to quality service.
Just outstanding service from start to finish! The delivery was incredibly fast, arriving well ahead of schedule, which minimized any downtime for our operations. Jumping to the quality, the motor feels robust and well-crafted, with no visible defects or issues upon inspection. Juggling multiple suppliers in the past, I can confidently say this one stands out for their responsive and helpful customer support team, who promptly addressed all my inquiries. Overall, a seamless experience that I'd highly recommend to others in need of reliable industrial equipment.
Highly satisfied with the delivery speed; the motor arrived much faster than anticipated, which helped keep our project on track. The packaging was secure and professional, ensuring no damage during transit. As for quality, the motor feels robust and well-constructed, meeting industrial standards without any visible defects. Customer service was exceptional, with prompt responses to my inquiries and helpful guidance throughout the process. Overall, a reliable purchase that exceeded my expectations in terms of logistics, product integrity, and support.
