Factory-price sale of YKK450-2 315 kW, 10 kV, IP54, Class F general-purpose high-voltage motor
I. Overview
The YKK series 6 kV and 10 kV high-voltage three-phase induction motors are totally enclosed squirrel-cage motors equipped with air-to-air coolers. The motor’s degree of protection is IP44 or IP54 (per GB/T 4942.1), and the cooling method is IC611 (per GB/T 1993).
These motors feature high efficiency, energy savings, low noise, low vibration, light weight, reliable performance, and convenient installation and maintenance.
This series of motors can drive various types of machinery, such as general-purpose machines, compressors, pumps, crushers, cutting machines, and other equipment; they may also serve as prime movers in coal mines, machinery industries, power plants, and other industrial and mining enterprises.
The motor construction and mounting configuration comply with IMB3 (per GB 997). The duty rating is continuous duty (S1); the rated frequency is 50 Hz; and the rated voltage is 6 kV or 10 kV. Other voltage ratings or special requirements may be jointly determined with the customer upon order placement.
Viewed from the drive-end shaft extension, 2-pole motors rotate clockwise. If counterclockwise rotation is required, it must be explicitly specified when placing the order.

II. Model Designation Meaning
Taking YKK3551-4 as an example: “YKK” denotes a totally enclosed squirrel-cage induction motor with an air-to-air cooler.
III. Technical Data — see Table 1.
IV. Overall Dimensions and Mounting Dimensions — see Table 2.
V. Ordering Instructions (Customers must specify the following requirements when placing an order), e.g.:
Motor model: YKK3551-4; Mounting type: IMB3
Rated output: 185 kW; Degree of protection: IP44 or IP54
Rated voltage: 6000 V; Cooling method: IC611
Rated frequency: 50 Hz; Insulation class: Class F
Synchronous speed: 1500 r/min; Ambient conditions: Altitude ≤ 1 km, ambient temperature ≤ 40 °C.
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