YJTKK5003-6 VVVFThree-phase Asynchronous IP 55 Motor 630kw 10kv 50Hz
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YJTKK5003-6 VVVFThree-phase Asynchronous IP 55 Motor 630kw 10kv 50Hz

The YJTKK series is a high-voltage variable frequency three-phase asynchronous squirrel-cage IP 55 motor, optimized to work with high-voltage VFDs. It supports 6kV/10kV voltage, with continuous S1 duty, IP55 protection and IC666 air-water cooling. It delivers stable torque across a wide frequency range of 5–50Hz, featuring high efficiency, low vibration and low noise. Equipped with premium SKF bearings and F-class insulation, this motor ensures reliable long-term operation. Widely applied for fans, pumps, compressors and mining equipment in metallurgy, chemical, power and coal industries for energy-saving variable speed drive.
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Description

Technical Parameters

Xi’an Simo Motor Co., Ltd. is one of the leading manufacturers and suppliers of YJTKK5003-6 VVVFThree-phase Asynchronous IP 55 Motor 630kw 10kv 50Hz in China. With abundant experience, we are committed to providing high quality customized products with competitive price. We warmly welcome you to buy bulk premium products made in China here and get quotation from our factory.

 

Brief Introduction

IP 55 motor design defines the reliable enclosure protection of the YJTKK series VVVF three-phase asynchronous motor, engineered and produced by Xi'an SIMO Motor for heavy-duty variable speed industrial applications. This high-voltage squirrel cage asynchronous motor is purpose-built to pair with high voltage variable frequency drives, delivering adjustable speed and steady torque output to satisfy complex working conditions across metallurgy, mining, chemical, power and water treatment sectors.

 

The YJTKK high voltage motor adopts IC666 air-to-water cooling structure, enabling outstanding heat dissipation even under sustained heavy loads. It runs on 10kV rated voltage, with frequency adjustable from 5Hz to 50Hz. Class F insulation system (155℃ temperature rise) greatly enhances the motor's thermal endurance and anti-overload capability, effectively protecting winding integrity during frequent speed regulation and fluctuating load cycles. Adopting S1 continuous duty rating, the machine can run nonstop for long periods without interruption, perfectly matching the operating demand of large fans, water pumps, compressors and other core process equipment.

 

Beyond robust thermal performance, this IP 55 motor is equipped with premium SKF bearings to reduce friction loss and mechanical vibration. Its optimized electromagnetic design cuts down stray losses and boosts overall operational efficiency. The squirrel cage rotor structure features solid mechanical strength, resisting impact load and starting shock in tough industrial environments. Strictly manufactured following JB/T 12729 standard, each unit undergoes comprehensive factory tests to guarantee stable performance, low noise and long service life. The IM B3 mounting configuration offers convenient installation and alignment when coupled with driven machinery.

 

As a premium variable frequency high voltage motor, this IP 55 motor excels in energy conservation and flexible speed regulation. By adjusting rotation speed instead of throttling flow, it helps enterprises slash power consumption and operational cost. It is widely adopted in projects requiring variable speed control, including mine ventilation fans, chemical process pumps and metallurgical auxiliary equipment. SIMO's rigorous quality control and professional after-sales support ensure the YJTKK series delivers dependable performance for global industrial customers seeking durable, efficient high-voltage variable frequency drive solutions.

Main Technical Parameters

Frame:

YJTKK5003-6

Power Scope:

630 kW

Stator Voltage:

10000 V

Stator Current: 46.3A

Frequency:

50 Hz

Number of Poles:

6P

Speed

990 r/min

Cooling Mechod

IC 666

Protection Grade

 IP55

Insulation Class

155

Duty:

S1

Mounting Method

B3


Production Details

 

Frame

  • Box structure frame, easy for maintaining and installation

  • Flexible dimensions

  • Customizable outlook

3 phase asynchronousIP 55 Motor


variable frequency IP 55 Motor

Stator

  • 99.9% pure copper winding ensures 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.


Rotor

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

  • Copper bar rotor is available for YJTKK motor

  • Pprecisely machined shafts with good capacity of  toughness

990 rpm IP 55 Motor
IP 55 Motor 630kw

Testing

  • All motors must pass the testing before painting and packaging

  • We regularly test existing and new products to ensure quality.


Package and delivery

  • All motors will be packaged well before delivery

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

AC variable frequency IP 55 Motor

 

Applications

YJTKK Motor is the widely used in many general industries, such as blowers, pumps, crushers, cutting machines, and many other heavy machines. For more application details, contact us.

 

high voltage IP 55 Motor

Cement

IP 55 Motor 990rpm

Power Station

high voltage IP 55 Motor ip55

Water conservation

IP 55 Motor 50Hz

Steel

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