Menzel Asynchronous Squirrel Cage Motors Factory Assembly
German Engineering & Manufacturing

Asynchronous Squirrel Cage Motors

High-efficiency three-phase squirrel cage induction motors from 75 kW to 25,000 kW (25 MW) and up to 13.8 kV. Custom cooling, heavy-duty enclosures & 100% full-load testing for global B2B industrial projects.

German Engineered Squirrel Cage Motors up to 25 MW

MENZEL squirrel cage induction motors are specifically engineered to deliver maximum reliability, continuous duty output, and thermal performance under extreme industrial operating conditions. Whether powering heavy-duty cement mills, high-capacity water pumps, mining ventilation fans, or industrial gas compressors, our three-phase AC induction motors meet the rigorous demands of plant operators worldwide.

Built strictly in compliance with international standards IEC / EN 60034, VDE, DIN, and ISO 9001, MENZEL squirrel cage motors are available in low, medium, and high voltage ratings up to 25 MW. Every motor undergoes comprehensive testing in our state-of-the-art Berlin-Hennigsdorf full-load test facility before global dispatch.

Power Rating & Voltages: Output ranges from 75 kW up to 25,000 kW; rated voltages up to 13,800 V (13.8 kV).
Enclosure & Protection Classes: Standard IP55, severe duty IP65, and fully submersible IP67 ratings available.
Mounting Types & Mechanical Adaptations: Flexible construction options including IM B3, IM B5, IM B35, IM V1, and custom drop-in replacement flange designs.
Explosion-Proof & Hazardous Area Options: Certified Ex ec, Ex tc, and Ex p (pressurized encapsulation) configurations.

Available Nominal Voltages (50 Hz & 60 Hz)

We design and manufacture squirrel cage motors tailored to regional power grids, variable frequency drives (VFD), and custom voltage tolerances.

Standard Nominal Voltages at 50 Hz

Optimized for European, Asian, African, and South American industrial electrical grids:

Low Voltage: 220 V 380 V 400 V 500 V 690 V Medium/HV: 3,000 V 3,300 V 5,000 V 5,500 V 6,000 V 6,300 V 6,600 V 10,000 V 10,500 V 11,000 V

Standard Nominal Voltages at 60 Hz

Engineered specifically for North American (NEMA/IEEE), Gulf region, and offshore installations:

Low Voltage: 380 V 400 V 440 V 480 V 500 V 525 V 575 V 690 V Medium/HV: 2,300 V 4,160 V 6,000 V 6,600 V 11,000 V 13,200 V 13,800 V

Special Voltage & Frequency Customization: In addition to standardized parameters, MENZEL manufactures squirrel cage induction motors for non-standard voltage supply networks, fluctuating mains networks, or continuous high-overload duty cycles. Contact our technical engineering team for individual custom calculations.

Squirrel Cage Motors by Standard Cooling Methods

To assist procurement engineers, our squirrel cage production program is categorized according to standard IEC cooling classifications (IC codes).

Squirrel cage motor with open-circuit ventilation IC 01 IC 06
IC 01 + IC 06

Open-Circuit Ventilated Motors

Compact, high-power-density designs with internal self-ventilation (IC 01) or forced ventilation (IC 06). Ideal for indoor installations requiring maximum power output in limited space.

Ribbed cooled surface cooled squirrel cage motor IC 411 IC 416
IC 411 + IC 416

Surface / Ribbed Cooled Motors

Enclosed cast-iron or fabricated steel frame construction with external cooling fins. Highly robust design for dirty, dusty, or aggressive industrial environments (IP55/IP65).

Air to air heat exchanger squirrel cage motor IC 611 IC 616 IC 666
IC 611 + IC 616 + IC 666

Air-to-Air Heat Exchanger Motors

Equipped with a top-mounted air-to-air cooling exchanger unit. Delivers high protection (IP55) for high-voltage heavy-duty applications in cement plants, mines, and refineries.

Air to water heat exchanger squirrel cage motor IC 81W IC 86W
IC 81W + IC 86W

Air-to-Water Heat Exchanger Motors

Features an integrated air-to-water heat exchanger for ultra-quiet operation and efficient heat dissipation. Highly suitable for ship propulsion, power plants, and warm ambient zones.

Tube cooled squirrel cage motor IC 511
IC 511

Tube Cooled Motors

Frame design incorporating internal and external cooling tubes. Excellent thermal dissipation capabilities for continuous high-load industrial machinery in severe climates.

Custom Engineering

Mechanical & Electrical Modification

We manufacture 100% mechanically interchangeable drop-in replacement motors for third-party brand legacy units.

Why Leading Plant Operators Choose MENZEL Motors

Over 95 years of specialized experience in large electrical drive systems guarantees maximum plant uptime and low total cost of ownership (TCO).

Low Operating Costs & High Efficiency

Optimized electromagnetic core designs minimize active losses, reducing annual power consumption across continuous manufacturing processes.

Exceptional Price-to-Performance Ratio

Flexible German engineering and modular manufacturing processes ensure premium quality at competitive international market conditions.

High Efficiency & Thermal Overhead

Utilizing high-grade VPI (Vacuum Pressure Impregnation) insulation systems for Class H/F thermal margins and long winding lifespan.

Heavy-Duty Bearing Construction

Available with anti-friction rolling bearings or heavy-duty sleeve bearings with automatic re-lubrication and vibration monitoring sensors.

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Vibration-Free Dynamic Balance

Precision dynamic rotor balancing ensures minimal vibration levels (ISO 10816 compliance), extending mechanical component life.

100% Mechanical Drop-In Flexibility

Custom mounting foot dimensions, special shaft extensions, and custom terminal box placements to fit existing foundation footprints seamlessly.

Featured Squirrel Cage Motor Project References

Read how MENZEL engineers solve complex motor replacement and custom drive requirements for global industrial customers.

690V ATEX Certified Mill Squirrel Cage Motor

Drop-In Solution: 690 V ATEX-Certified Mill Motor

Custom manufactured 690V motor with an oversized terminal box engineered for food processing mill drives.

Food Industry 690 V ATEX / Ex tc IC 611
6300V Motor Replacement for Pulp and Paper Pump

Rapid 6300 V Motor Replacement for Industrial Pumps

250 kW high-voltage IC 411 surface-cooled motor with customized terminal box delivered on urgent deadline.

Pulp & Paper 6300 V IC 411 Pumps
6000V Overpressure Encapsulated Motor for Compressor

6000 V Pressurized (Ex p) Motor for Gas Compressors

Heavy-duty high-voltage explosion-proof squirrel cage motor engineered for harsh chemical refinery drives.

Oil & Gas 6000 V Ex p Compressor
13 Ton Vertical Low Voltage Squirrel Cage Motor

13-Ton Vertical LV Motor Delivered in 1 Week

Emergency custom-adapted 690 V vertical motor (IM V1) supplied from stock to prevent sugar plant downtime.

Sugar Mill 690 V IM V1 Emergency

Request Detailed Technical Catalog & Custom Motor Proposal

Submit your electrical requirements, motor rating plate data, or mechanical specifications. Our drive engineering team responds with complete technical datasheets and pricing.

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