SAE J539_199311 PDF | Request Standard
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SAE J539_199311

VOLTAGES FOR DIESEL ELECTRICAL SYSTEMS

Standard by SAE International, 1993-11-23

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  • Availability: Immediate Download
  • Language: English
  • License Type: Single User
  • Updates: Not Included
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  • Language: English
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  • Updates: Included

About This Item

This SAE Recommended Practice is intended to apply to lamps, batteries, heaters, radios, and similar equipment for operation with mobile or automotive diesel engines. Twenty-four V systems have long been used for heavy-duty services because 24 V permit operating 12 V systems in series-parallel. Thirty-two V systems have been used for marine, railroad-car lighting, and other uses. Generators, storage batteries, starting motors, lighting, and auxiliary electrical equipment shall be for nominal system ratings of 12, 24, or 32 V as determined by the power requirements of the application. It is recommended that no intermediate voltages be considered. The combination of a 24 V starting motor and two 12 V batteries connected in series for cranking is considered practical where it can be adapted to the installation. The batteries are reconnected in parallel for charging from a 12 V generator/alternator and for operating lights and other auxiliary equipment, or charged separately and used individually for lights and other electrical equipment. Not applicable.
SKU: a5383a3dbe8b

  • Publication Date: 1993-11-23

  • Standard Status: latest

  • Publisher: SAE International

  • Document Type: Ground Vehicle Standard

  • Subject: Batteries, Starters and starting, Alternators, Tools and equipment, Radio equipment, Storage, , ,

  • Official SAE: Doi link

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