Protection Degree:IP54, first class insulation.

防护等级：IP54，电器一级绝缘。

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The stator winding is F class insulation structure, the end of winding is fixed and binded reliably.

定子绕组采用F级绝缘结构，并在绕组端部有可靠的固定及绑扎。

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And replacement of stator windings is similar to an ordinary motor, but higher insulation levels, most of the use of H-class insulation.

定子绕组更换和普通电机是相似的，只是绝缘等级高一些，大多采用H级绝缘。

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