Product Details

Brief Introduction

The YKK-355-4 motor is engineered for precise alignment with diverse operational demands defined by IEC duty cycles. Optimized for continuous S1 operation at rated load, it achieves thermal equilibrium for sustained industrial processes. Its robust design also accommodates periodic duty types like S3 (intermittent operation) and S6 (continuous operation with intermittent loading), where cyclic variations require stable thermal performance without reaching full equilibrium. For applications involving speed and load changes (S8 duty), this 1500 RPM AC motor efficiently manages discrete power/speed segments-such as transitions between 16kW/740r/min, 40kW/1460r/min, and 25kW/980r/min phases-while maintaining reliability under thermal stress. The motor's construction prioritizes heat dissipation during electric braking (S5/S7) and handles non-periodic overloads (S9) within operational limits. Compliance with S10 duty specifications ensures predictable thermal life management across discrete constant-load phases.

 

The YKK-355-4 motor exemplifies high-efficiency design, strategically minimizing core losses through advanced engineering. Its stator incorporates high-permeability cold-rolled silicon steel laminations and optimized winding configurations to reduce copper losses. For the rotor, refined slot designs and precise air gap control curtail stray losses. While operational currents may differ from standard motors-particularly under load due to variations in magnetizing current-this YKK-355-4 motor achieves superior energy conversion. Under identical operating conditions (matching voltage and shaft output power), its total power consumption is measurably lower, attributable to reduced iron losses, minimized windage friction, and enhanced electromagnetic efficiency. Selecting this 1500 RPM AC motor guarantees adaptability to complex IEC 60034-1 duty profiles, enhancing system longevity and energy utilization.

 

The design prioritizes sustained performance: extended stator cores and specialized insulation materials ensure longevity even with potential current profile shifts post-upgrade. Users benefit from significant energy savings over the motor's lifecycle, validating its high-efficiency credentials. Careful consideration of magnetizing current components explains observed operational current characteristics without compromising its fundamental advantage: reduced net electricity consumption compared to conventional equivalents. This YKK-355-4 motor delivers tangible operational economy through meticulously engineered loss reduction.Precise shaft alignment is critical for the YKK-355-4 motor to ensure vibration-free operation and extended service life.

 

This 1500 RPM AC motor supports industry-standard alignment techniques-including dial indicators (dual/triple gauge) and laser systems-to achieve rigid coupling tolerances of ≤0.03mm radial/≤0.05mm axial deviation. Its design facilitates efficient adjustment via motor foot mounting, using measured radial and axial offsets to calculate precise shimming requirements. Consistent alignment counters thermal expansion effects during operation, maintaining concentricity within permissible limits. Adherence to documented procedures-initial measurement, iterative adjustment, and final verification-is essential for optimal performance. The motor's robust construction complements rigorous installation protocols, minimizing harmonic losses and structural stress on driven equipment. Proper coupling centering not only safeguards this YKK-355-4  motor but also enhances overall system reliability in continuous industrial applications.

 

Main Technical Parameters

Frame:	H355
Power Scope:	160~8000kW
Voltage:	3000V, 3300V, 4160V, 6000V, 6600V, 10000V, 11000V
Frequency:	50Hz, 60Hz
Number of Poles:	4P
Speed	3000rpm, 1500rpm, 1000rpm, 750rpm, 600rpm, 500rpm, 370rpm
Cooling Mechod	IC611
Protection Grade	IP54, IP55
Insulation Class	F(155℃), H(180℃)
Duty:	S1, S4, S5, S6, S9
Mounting Type	B3/V1

 

 

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Why choose Simo Brand YKK series of Motor?

Simo YKK series of high voltage electric AC motor is three phase squirrel cage totally enclosed asynchronous motor. As the best seller in Simo products system, YKK IP55 HV Motor has the advantages of high efficiency and energy saving. And although it has high power, the noise and vibration are not very strong. The features of light weight and easy maintenance make it well received by many customers at home and abroad.