China Factory YKK450 High Voltage Induction Motors – 6kV 560–800 kW 2977 RPM, 10kV 220–450 kW 1483 RPM | High-Speed Industrial IEC Standard Electric Motors

Product name : China Factory YKK450 High Voltage Induction Motors – 6kV 560–800 kW 2977 RPM, 10kV 220–450 kW 1483 RPM | High-Speed Industrial IEC Standard Electric Motors

Product No. : 2020429162427

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YKK High Voltage Squirrel Cage Induction Motors (Frame 355–1120)

The YKK High Voltage Squirrel Cage Induction Motor is a premium industrial three-phase asynchronous motor engineered for heavy-duty applications. Designed for high efficiency, structural stiffness, and long service life, this series meets stringent global engineering criteria.

Core Engineering Technical Data

Parameter	Specification	Keywords
Frame Size	H355 – H1120	High voltage motor frame sizes H355-1120
Rated Power	160 kW – 14,000 kW	Industrial high voltage motor power output
Rated Voltage	3 kV / 3.3 kV / 6 kV / 6.6 kV / 10 kV / 11 kV	6kV induction motor, 10kV high voltage motor
Rated Frequency	50 Hz / 60 Hz	Three-phase AC asynchronous motor frequency
Number of Poles	2P – 18P	2-pole to 12-pole high voltage motor speeds
Cooling Method	IC611 Air-to-Air Heat Exchanger	IC611 cooling motor, air-to-air cooled motor
Protection Rating	IP54 / IP55	IP55 high voltage squirrel cage motor
Insulation Class	Class F (Class B temperature rise limit)	Class F insulation electric motor, VPI insulation
Mounting Type	IMB3 Horizontal Foot-Mounted	IMB3 horizontal foot mounted induction motor
Duty Cycle	S1 Continuous Operation	S1 continuous duty high voltage motor
Manufacturing Process	VPI (Vacuum Pressure Impregnation)	VPI treated stator winding insulation

Typical 6kV YKK Series Performance (50Hz)

Frame	Poles	Rated Power (kW)	Efficiency (%)	Power Factor	Rated Speed (RPM)	Locked Rotor Torque
355	2	220–315	93.5–94.2	0.87–0.89	2960–2970	0.6–0.8
400	4	400–560	94.5–95	0.86–0.88	1480–1485	0.7–1.0
450	6	500–710	94.8–95.2	0.84–0.86	985–990	0.8–1.1
500	8	630–1000	94.8–95.4	0.82–0.85	738–742	0.8–1.1

Mechanical Construction Features

Box-Type Frame: Heavy steel welded frame for vibration and torsional load resistance.
Stator & Core: High-permeability silicon steel laminations with VPI Class F insulation.
Squirrel Cage Rotor: Dynamically balanced; copper-bar or cast-aluminum options.
Bearings: Grease-lubricated rolling bearings (Frames 355–560), water-cooled sleeve bearings with transducers (Frames 630–1120).