AmTecs 250kW 6 Pole IE3 Cast Iron Electric Motor – 330HP 355 Frame

The AmTecs 250kW 6-pole IE3 cast iron electric motor is a robust, premium-efficiency motor engineered for continuous-duty and heavy industrial applications. Designed to meet IEC 60034-1 and Eco Design Rule 2019/1781 standards, this three-phase cast iron motor delivers outstanding reliability, energy efficiency, and vibration resistance. Its fixed cast feet and re-greasable bearings make it ideal for rugged, high-load operations such as quarries, mining, and process industries, where long service life and stable operation are critical.

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Key Specifications

Manufacturer: AmTec
Series: AM3-IE3 Cast Iron Motors
Power Output: 250 kW (330 HP)
Speed: 6-Pole (1000 RPM)
Frame Size: 355 Frame
Mounting Type: B3 / B5 / B35
Construction: Cast Iron Housing with Fixed Feet
Voltage: 400 / 690 V
Efficiency Class: IE3 (Premium Efficiency)
Protection Degree: IP55
Insulation Class: F (Class B Temperature Rise)
Duty Type: S1 (Continuous Operation)

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Mechanical & Construction

Frame Material: Heavy-Duty Cast Iron
Feet: Fixed Cast Feet for Enhanced Stability and Alignment
Mounting Options: IM B3, B5, B35
Cooling Method: IC411 (Self-Ventilated External Fan)
Painting Color: RAL 5010 Blue
Bearings: Re-Greasable (Frame 160 and Above)
Thermal Protection: Thermistors Fitted as Standard

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Performance & Compliance

Poles Available: 2 (3000 RPM) / 4 (1500 RPM) / 6 (1000 RPM) / 8 (750 RPM)
Efficiency Level: IE3 – Premium Efficiency
Operating Voltage Range: 380–420 / 660–720 V or 220–240 / 380–420 V (50Hz)
Ambient Temperature: -20°C to +40°C
Rotation Direction: Forward / Reverse (F / R)
Standard: IEC 60034-1
Compliance: Eco Design Rule 2019/1781 (EU Efficiency Regulations)

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Features & Benefits

• ✅ IE3 premium efficiency motor for energy savings and regulatory compliance
• ✅ Fixed cast iron feet provide superior strength and vibration resistance
• ✅ 6-pole configuration for low-speed, high-torque performance
• ✅ Re-greasable bearings ensure long service life and easy maintenance
• ✅ Thermistors installed as standard for advanced motor protection
• ✅ RAL 5010 painted finish for corrosion resistance and visual durability

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Typical Applications

• High-torque conveyors and crushers
• Pumps and compressors
• Industrial fans and mixers
• Mining and quarry machinery
• Heavy-duty manufacturing and processing systems

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Why Buy from WormGear Motors Online

Genuine AmTec Motors: All AM3-IE3 models are fully tested and certified to IEC and EU standards.

Reliable Performance: Engineered for high-load, long-duration industrial applications.

Expert Assistance: Our specialists provide selection guidance and technical support for motor-gearbox integration.

Best Price Guarantee: Found it cheaper elsewhere? We’ll beat it.

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Order the AmTecs 250kW 6 Pole IE3 Cast Iron Electric Motor Today

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