Russian standards PDF

Low-voltage switchgear and controlgear. Part 7- 3. Ancillary equipment. Safety requirements for fuse terminal blocks

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Electromagnetic compatibility (EMC). Part 4-12. Testing and measurement techniques. Ring wave immunity test

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Electromagnetic compatibility (EMC). Part 4-34. Testing and measurement techniques. Voltage dips, short interruptions and voltage variations immunity tests for equipment with mains current more than 16 A per phase

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Electricity metering. Tariff and load control. Particular requirements for time switches

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Medical electrical equipment. Devices for ultrasonic diagnostics. Requirements for the declaration of acoustic output parameters in technical documents

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Electrical apparatus for use in the presence of combustible dust. Part 1. Electrical apparatus protected by enclosures and surface temperature limitation. Section 1. Specification for apparatus

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