YE3 Standard
Electric Motor YE3-112M-4 IE3 Premium Efficiency 4kW
Efficiency Class:IE3 Premium
Power Rating:4.0 kW / 4 Pole
Protection / Frame:IP55 / Cast Iron
Precision-engineered electromechanical drives certified for extreme industrial environments, severe duty continuous cycles, and high thermal safety margins.
High voltage (HV) induction motors operating in critical utility and heavy industrial environments (voltage ratings spanning 3kV, 6kV, 10kV, to 13.8kV) are governed by strict thermal management protocols defined under IEC 60034-6. Among the standardized cooling methods, the IC511 (Self-Ventilated Enclosed Machine with Frame Surface Air-to-Air Cooling Tubes) represents a specialized, highly durable thermodynamic architecture designed for harsh operational settings.
Unlike basic rib-cooled motors (IC411) which rely solely on surface radiation and external fan air friction over cast-iron fins, an IC511 High Voltage Motor incorporates an internal closed-loop air circuit paired with an axial array of internal cooling tubes mounted within the stator frame. An internal fan circulates hot air through the internal winding channels and rotor ducts, transferring heat directly into the inner surfaces of the tube heat exchanger. Simultaneously, an external shaft-mounted or independently powered fan forces ambient air through the interior of the cooling tubes, achieving optimized thermal heat exchange without allowing ambient dust, moisture, or corrosive chemicals into the internal winding chamber.
This dual-path thermal transfer mechanism makes IC511 motors uniquely suited for high-power ratings (ranging from 160 kW up to 10,000 kW) where environmental contaminants prevent the use of open drip-proof (IC01/IP23) units, and where frame size limitations make rib-cooling inefficient due to thermal boundary layer resistance.
Evaluated based on engineering capacity, Vacuum Pressure Impregnation (VPI) quality, thermal modeling accuracy, ISO/ATEX compliance, and global lifecycle support.
| Manufacturer Name | HQ / Primary Plant | Voltage Range | Cooling Designations | Core Industrial Specialization | E-E-A-T Quality Rating |
|---|---|---|---|---|---|
| 1. OME Motors (O.M.E. Motori Elettrici) | Gussago (BS), Italy | 400V – 13.8 kV | IC511, IC611, IC81W, IC411 | Oil & Gas, Explosive Atmospheres, Mining, Heavy Industry | 5.0 / 5.0 (Global Leader) |
| 2. Siemens AG | Nuremberg, Germany | 690V – 13.8 kV | IC511, IC611, IC01 | Chemical Processing, Marine Propulsion, Automation | 4.9 / 5.0 |
| 3. ABB Group | Västerås, Sweden / Zurich | 380V – 15 kV | IC511, IC611, IC86W | Power Generation, Desalination, Heavy Metallurgy | 4.9 / 5.0 |
| 4. WEG Electric Equipment | Jaraguá do Sul, Brazil | 220V – 13.8 kV | IC511, IC411, IC616 | Pulp & Paper, Mining, Sugar & Ethanol Mills | 4.8 / 5.0 |
| 5. Nidec Industrial Solutions | Monfalcone, Italy / Japan | 400V – 15 kV | IC511, IC611, IC81W | Metals Rolling Mills, Compressors, Renewable Energy | 4.7 / 5.0 |
| 6. TECO Electric & Machinery | Taoyuan, Taiwan | 460V – 11 kV | IC511, IC411, IC611 | Water Infrastructure, Petrochemical, HVAC Turbines | 4.6 / 5.0 |
| 7. Wolong Electric Group | Shaoxing, China / ATB Europe | 380V – 10 kV | IC511, IC611, Ex-d IC511 | Power Generation, Heavy Process Pumps, Cement Kilns | 4.6 / 5.0 |
| 8. Toshiba Industrial Products | Houston, USA / Japan | 460V – 6.6 kV | IC511, IC411, TEFC | Oil Refining, Pipeline Boosting, Conveyor Systems | 4.5 / 5.0 |
| 9. CG Power and Industrial Solutions | Mumbai, India | 3.3kV – 11 kV | IC511, IC611, IC01 | Cement Crushers, Thermal Power, Mining Dredges | 4.5 / 5.0 |
| 10. SEC Electric Machinery | Wuxi, China | 3kV – 13.8 kV | IC511, IC611, IC81W | Wind Power Auxiliaries, Hydro Generators, Steel Mills | 4.4 / 5.0 |
Modern high voltage motors are evolving rapidly to meet stringent carbon-neutral directives, digitize maintenance routines, and maximize mechanical efficiency.
Leading factories utilize 3D Computational Fluid Dynamics (CFD) to engineer the interior geometry of IC511 cooling tubes. By minimizing turbulent air pockets and optimizing boundary layer flow inside the tube arrangement, thermal dissipation efficiency is boosted by 18-25% without expanding frame dimensions.
High voltage stator windings suffer from dielectric stress and partial discharge under inverter-duty operation. Advanced IC511 factories implement solvent-free mica tape systems combined with Class H Vacuum Pressure Impregnation (VPI), guaranteeing void-free insulation capable of withstanding high-frequency dv/dt voltage spikes.
Modern IC511 motors feature embedded Pt100 RTD sensors across stator slots and bearing housings, along with tri-axial vibration accelerometers. These data streams feed directly into predictive maintenance platforms, alerting engineers to bearing wear or thermal anomalies long before unplanned downtime occurs.
For refinery and offshore rig deployments, IC511 motors are designed to withstand internal explosive pressures. Certified under ATEX and IECEx standards (Zone 1, Zone 2, Ex-d IIB/IIC T4), these motors utilize flameproof joint paths and anti-spark internal fans to guarantee absolute operational safety.
With industrial energy tariffs rising globally, procuring IC511 motors rated at IE4 Super Premium or IE5 Ultra Premium efficiency ensures that up to 97.5% of electrical energy is converted directly into mechanical shaft output, drastically reducing lifecycle operating costs over a 20-year lifespan.
VFD-driven high voltage IC511 motors face micro-arcing across bearing raceways caused by common-mode voltages. Modern factories integrate ceramic insulated bearings on the non-drive end (NDE) alongside shaft grounding rings on the drive end (DE) to permanently eliminate electrical bearing fluting.
B2B procurement of high voltage industrial machinery has shifted dramatically from initial capital expenditure (CAPEX) evaluations to holistic Total Cost of Ownership (TCO) lifecycle modeling. Because electric motors consume up to 90% of their total lifetime cost in electrical power over 15 to 20 years of continuous operation, purchasing decisions are now heavily dictated by energy density, thermal durability, and factory customization speed.
Key Procurement Shifts for B2B Buyers Include:
Inheriting the legacy of Elettrotecnica H. Orsatti and Orsatti Electric Motors, OME Motors (O.M.E. Motori Elettrici s.r.l.) operates state-of-the-art production facilities in Gussago and Nuvolera, Italy. We specialize in designing and manufacturing custom explosion-proof, high voltage, NEMA, and permanent magnet electric motors for the world's most demanding process industries.
Full compliance with ATEX, IECEx, ISO 9001, CE, UL, CSA, and GOST standards for safety-critical global deployments.
Custom mechanical frames, shaft extensions, special voltage windings, and custom cooling tube configurations upon request.
Active service hubs and technical support teams serving over 100 countries across 5 continents for zero-downtime operation.
Every IC511 high voltage motor undergoes complete load testing, vibration analysis, and dielectric surge testing prior to shipment.
Technical answers to essential engineering questions regarding IC511 cooling specifications, frame selection, and maintenance protocols.