The lowest permissible values of the insulation resistance of electric motors for voltages above 1000 V

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Annex 3.1. The smallest permissible values of the insulation resistance of electric motors for voltages above 1000 V. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Rules for the technical operation of consumer electrical installations (PTE)

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Table 28

Winding temperature, °С	Insulation resistance R₆₀, MOhm, at rated winding voltage kV
Winding temperature, °С	3 - 3,15	6,0 - 6,3	10,0 - 10,5
10	30	60	100
20	20	40	70
30	15	30	50
40	10	20	35
50	7	15	25
60	5	10	17
75	3	6	10

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