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Solid electrical insulating materials. Methods for evaluation of electrical strength at a. c. voltage at power (50 Hz) frequency and d. c. voltage

Document status: Active

Reciprocating internal combustion engines. Classification according to scope of automatization and technical requirement for automatization

Document status: Active

Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. Basic parameters

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Rotating electrical machines. Mechanical vibration of certain machines with shaft heights 56 mm and higher. Measurement, evaluation and limits of the vibration severity

Document status: Withdrawn

Luminaires. Part 2-22. Particular requirements. Luminaires for emergency lighting

Document status: Active

General-purpose 110 and 150 kW power oil transformers. Specifications

Document status: Active