YJTFKK400-6WF1 3 Phase Asynchronous Industrial Motor 350kW

Title:

YJTFKK400-6WF1 VVVF 3 Phase Asynchronous Industrial Motor Motor

Brief Introduction

This YJTFKK400-6WF1 variable-frequency three-phase asynchronous industrial motor, produced by Xi'an SIMO Motor, is a premium power solution engineered for heavy-duty industrial applications. Boasting a rated power of 355kW and an IE4 ultra-high efficiency rating with 93.0% operational efficiency, it delivers robust performance while minimizing energy consumption. Optimized for 50–70Hz variable-frequency working conditions and running at a stable 900r/min, it adapts seamlessly to dynamic load requirements.

Equipped with an integrated air-water cooling system and compound externally lubricated sliding bearings, this industrial motor ensures exceptional heat dissipation and long-term reliability. It features an IP55 protection rating, enabling stable operation in harsh environments ranging from -45°C to 40°C and at altitudes up to 1000 meters.

Ideal for powering key equipment such as mining machinery, large fans, water pumps and compressors, it serves industries including mining, energy and chemical engineering. Its core strengths lie in high energy efficiency, wide environmental adaptability and reliable heavy-load performance, making it a trusted choice for enterprises pursuing efficient and sustainable production.

YJTFKK400-6WF1 Variable-Frequency Three-Phase Asynchronous Industrial Motor by Xi'an SIMO Motor

Engineered for demanding industrial applications, the YJTFKK400-6WF1 Variable-Frequency Industrial Motor delivers superior power, exceptional efficiency, and outstanding reliability as a premium drive solution for critical equipment.

Core Performance Advantages

· Ultra-High Efficiency: Rated at 355kW and compliant with the IE4 super-premium efficiency class, it achieves an operational efficiency of up to 93.0%, significantly reducing long-term energy consumption.
· Precise Variable-Frequency Compatibility: Optimized for 50–70Hz variable-frequency operation with a rated speed of 900r/min. It offers rapid response and is ideally suited for energy-saving speed control in fans, pumps, and similar equipment.
· Superior Thermal Management: Features an advanced air-water composite cooling system to ensure stable, continuous operation under heavy loads with effective temperature control.
· Robust & Durable Design: Equipped with compound externally lubricated sliding bearings for easy maintenance and extended service life. With an IP55 protection rating, it reliably resists dust and water jets, making it suitable for harsh operating conditions.

Proven Environmental Adaptability
Capable of stable operation in ambient temperatures ranging from-45°C to +40°C and at altitudes up to 1000 meters, this motor demonstrates excellent resilience and reliability in diverse environments.

Typical Application Fields
This motor is the ideal choice for industries such as mining,energy, and chemical processing, widely used in:

· Large-scale mining machinery
· High-power fans and pumps
· Heavy-duty compressors and other continuously operating critical equipment

In Summary
The YJTFKK400-6WF1 Motor,with its ultra-high efficiency, robust environmental adaptability, and reliable heavy-load performance, is the trusted choice for enterprises pursuing sustainable and highly efficient production.

Main Technical Parameters

Why choose Simo Brand YJTFKK series of Motor?

Choose the YJTFKK400-6WF1 for its IE4 ultra-high efficiency (93.0%) that cuts energy costs, 355kW power paired with 50-70Hz variable-frequency adaptability for flexible heavy-load operations. Its air/water cooling and lubricated bearings ensure stability at -45~40℃/1000m altitude (IP55). Perfect for mining, pumps or compressors-blending reliability, versatility and energy savings for industrial high-power needs.

Production Details

Frame

• Box structure frame, easy for maintaining and installation

• Flexible for special installation dimensions

• Customizable outlook and dimensions

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Stator

• 99.9% pure copper winding for stator to ensure the output power and efficiency

• Excellent insulation system with 5 more processing flows

• All the windings are fitted in by handwork to ensure all slots are full and avoid any possible winding flaw.

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Rotor

• Aluminum casting rotor with high quality silicon steel rotor core to assure induction efficiency

• Copper bar rotor is available for YKK motor

• Well and precisely machined shafts with good capacity of strength and toughness

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Testing

• All motors must pass the piece testing before painting and packaging

• Type tests will be regularly performed for each series, more often for new developed series and variants.

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Package and delivery

• All motors will be packaged well before delivery

• Plastic cover inside, vacuum tin foil outer and then solid wood box

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Applications

Cement

Power Station

Water

Mining

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