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IEC 60034-5:1968 ed1.0

Заменен
Rotating electrical machines - Part 5: Degrees of protection by enclosures for rotating machinery — 32 стр.
Describes definitions for standard degrees of protection provided by enclosures; protection of machines against harmful effects due to the ingress of water; designation for these protective degrees, and tests to verify that the machines meet the requirements.
ICS
29.160.01 Rotating machinery in general / Машины вращающиеся в целом