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High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW
High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW
High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW
High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW
High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW
High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW

High Efficiency IE3 IE4 Three Phase Electric Motors for Industrial Applications 0.37kW-400kW

US$ 30.00 ~ 4000.00
Min.Order: 10
Product origin: Taizhou, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 1 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Motor Type : Three Phase Asynchronous
  • Efficiency Class : IE1, IE2, IE3, IE4
  • Power Range : 0.37kW-400kW
  • Voltage Options : 220V-660V
  • Frequency : 50Hz/60Hz
  • Pole Options : 2,4,6,8,10 poles
  • Protection Class : IP22-IP66
  • Insulation Class : E,B,F,H
  • Mounting Type : B3,B5,B14,B35,B34,C Face
  • Housing Material : Cast Iron, Aluminum, Steel
  • Certifications : ISO9001, CCC, CE
  • Speed Range : 740-2800 rpm
  • Duty Cycle : S1,S2,S3
  • Starting Method : Direct Online
  • Cooling Method : IC411
  • Ambient Temperature : -30°C to +60°C
  • Altitude : ≤1000m (standard)
  • Standard : IEC, NEMA, GOST
  • Application : Industrial Machinery

He’d been through three suppilers in two years before landing these, and the difference in rejection rates was night and day—basically, we stopped swapping out bearings every three months.

The range is wide enough that you’re not forced to overspec: 0.37kW up to 400kW, and you can pick your voltage from 220V to 660V without a special order most times, though lead time on the 660V units is usually 4-6 weeks (check before you commit).

Three Phase Electric Motor

Most buyers go with IE3 for the sweet spot on energy savings, but if you’re running continuous duty cycles, the IE4 pays back in about 18 months or so—we’ve got the data form our own floor.

Motor Internal Components

One thing they don’t put on the spec sheet: the cast iron housings handle vibration better than aluminum in high-torque appliction, so don’t just chase weight savings if your load’s jerky.

Motor Testing Process

Protection class can go from IP22 to IP66, which matters if you’ve got washdown zones, but the standard IP55 is fine for most dry machinery—anything more and you’re paying for a feature you won’t use.

Ambient temp tolerance is -30°C to +60°C, so we’ve run these in unheated warehouses through a Midwest winter without a hiccup, though altitude above 1000m needs a de-rate conversation upfront.

Frequently Asked Questions

Can you provide motors with IE4 efficiency across the full 0.37kW-400kW power range?

Yes, we can. IE4 is available for most of the range, though availability on the very low or high kW ends may vary slightly — just let us know the exact power and we'll confirm.

What's your typical lead time for a batch of 50 cast iron motors in the 10-50kW range with B3 mounting?

For a standard order like that, around 25-30 working days. If you need it faster, we can sometimes push it to 20 days depending on our production schedule.

Do you supply test certificates or material specs for the copper winding and cast iron housing?

Absolutely. We can include a mill certificate for the housing and a winding material report with every shipment, along with our standard ISO9001 and CE documentation.

Can you customize the voltage to 400V/690V for a 50Hz application, and what's the MOQ for that?

Yes, we can wind the motor for 400V/690V. The MOQ for a custom voltage is 10 units per spec, and the lead time adds about 5 days.

How should these motors be stored if they'll sit for 3-6 months before installation?

Keep them indoors in a dry, clean area with ambient temperature between -30°C and +60°C. Make sure the shaft is rotated every month to prevent bearing corrosion, and keep the IP rating in mind — IP66 is fine for dusty storage, but IP22 needs a cover.

O***D 2025-09-11

Zippy delivery was the first thing that caught my attention—the motor arrived two days earlier than estimated, securely packaged with no signs of damage. Zero complaints about the shipping speed and handling. Zestfully, the quality feels robust; the motor's construction appears durable, with clean finishes and proper labeling, suggesting good manufacturing standards. Zonal support was efficient too; the seller responded promptly to my pre-purchase inquiry, offering clear details without pushiness. Zenith of the experience was how hassle-free everything felt from order to delivery. Zilch issues to report, making it a smooth transaction overall. Zany as it sounds, I'd highlight the reliability in both product and service—definitely a positive impression.

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