BSI BS 4999-4:1972

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Specification for general requirements for rotating electrical machines -- Rating plate markings

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BSI BS 4999-4:1972

Specification for general requirements for rotating electrical machines -- Rating plate markings

PUBLISH DATE 1977
BSI BS 4999-4:1972

Details of information to be included on machine rating plates are essential for identifying the machine's specifications and ensuring safe operation.

The information typically includes:

  • Machine model number
  • Serial number
  • Manufacturer's name
  • Year of manufacture
  • Operating voltage and current
  • Power rating (e.g., horsepower or kilowatts)
  • Frequency (Hz)
  • Speed (RPM)
  • Ingress protection rating
  • Weight of the machine
  • Safety certifications and standards met

This data ensures proper installation, maintenance, and compliance with safety regulations.

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