YJTKK4003-4 VVVF Three-phase Asynchronous 450 Kw Electric Motor ic666
Description
Technical Parameters
Xi’an Simo Motor Co., Ltd. is one of the leading manufacturers and suppliers of yjtkk4003-4 vvvf three-phase asynchronous 450 kw electric motor ic666 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
Manufactured by Xi'an Simo Motor Co., Ltd., the YJTKK series variable frequency three-phase asynchronous motor is a premium heavy-duty drive solution engineered for variable-speed industrial applications. This 450 kw electric motor combines mature electromagnetic design, robust structural construction and reliable cooling solutions, delivering consistent power performance for long-cycle production operations. It is widely deployed to drive large pumps, fans, compressors and processing equipment across metallurgy, chemical, mining and water treatment industries.
Built to adapt perfectly to variable frequency drive systems, this 450 kw electric motor stands out with outstanding operational flexibility. It supports a wide frequency adjustment range to accommodate variable working conditions, allowing users to flexibly adjust rotating speed according to actual production demands. Compared with traditional fixed-speed motors, it significantly cuts unnecessary energy waste during partial-load operation and helps enterprises reduce long-term power consumption costs. Equipped with Class F insulation systems, the motor effectively withstands harmonic interference generated by frequency converters, greatly lowering risks of winding aging and breakdown under variable speed working conditions.
Reliability and safety are core merits of this 450 kw electric motor. It adopts an efficient air-water cooling layout to maintain stable internal temperature even under continuous heavy loads, avoiding overheating issues during prolonged running. Premium brand bearings are configured to minimize friction vibration and extend service life, cutting downtime and maintenance expenses. The motor strictly follows standardized industrial design and comes with clear operation guidelines to regulate startup procedures, coupling installation and daily operation. It can adapt to complex on-site environments and steadily operate under varying load requirements.
Certified with CE and manufactured under strict quality control systems, the YJTKK variable frequency motor achieves high operating efficiency and stable power factor under rated conditions. Its compact and rational mechanical layout simplifies on-site installation and alignment work. Thanks to optimized anti-vibration design, the motor runs smoothly with low noise, creating a better working environment.
For global industrial buyers searching for durable, energy-saving and low-maintenance high-power variable speed drives, this high-voltage asynchronous motor is an ideal choice. It balances stable output performance, flexible speed regulation and long service lifespan, bringing tangible economic benefits to continuous production facilities and gaining wide recognition among industrial end users and engineering partners worldwide.
Main Technical Parameters
|
Frame: |
YJTKK4003-4 |
|
Power Scope: |
450 kW |
|
Stator Voltage: |
5250 V |
| Stator Current: | 61.7A |
|
Frequency: |
50 Hz |
|
Number of Poles: |
4P |
|
Speed |
1485 r/min |
|
Cooling Mechod |
IC 666 |
|
Protection Grade |
IP55 |
|
Insulation Class |
155 |
|
Duty: |
S1 |
|
Mounting Method |
B3 |
Production Details
Frame
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Box structure frame, easy for maintaining and installation
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Flexible dimensions
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Customizable outlook


Stator
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99.9% pure copper winding ensures the output power and efficiency
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Excellent insulation system with 5 more processing flows
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All the windings are fitted in by handwork to ensure all slots are full and avoid any possible winding flaw.
Rotor
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Aluminum casting rotor with high quality silicon steel rotor core to assure induction efficiency
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Copper bar rotor is available for YJTKK motor
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Pprecisely machined shafts with good capacity of toughness

Testing
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All motors must pass the testing before painting and packaging
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We regularly test existing and new products to ensure quality.
Package and delivery
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All motors will be packaged well before delivery
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Plastic cover inside, vacuum tin foil outer and then solid wood box
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.

Cement

Power Station

Water conservation

Steel
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| Type | Power(kW) | Stator Voltage(V) | Stator Current(A) | Rated Speed(r/min 50Hz) | Eff.% (50Hz) |
Power Factor cosφ (50Hz) |
Max. Torque/Rated Torque | Theory Weight kg |
|---|---|---|---|---|---|---|---|---|
| YJTKK4003-4 | 450 | 5250 | 61.7 | 1485 | 93.2 | 0.86 | 1.8 | 3200 |
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