NE 48 has been revised

from 2020-03-16

The NAMUR Recommendation NE 48 has been revised in a joint working group of NAMUR and VIK and may now be obtained from the NAMUR Office.

The document differs from NE 48 edition 2003-07-22, which was withdrawn since March 2017, as follows:

  • Separate German and English versions
  • Editorial revision
  • Correction in Table 1 (English version only)
  • Minor changes in figure 3, 4, and 7
  • Update of the cited standards

Abstract NE 48 ‘Auxiliary Electrical Power Supply’
(Edition: 2020-03-16)

This Recommendation applies to the planning and installation of auxiliary electrical power supplies in industrial plants.
This “Auxiliary Electrical Power Supply” Recommendation is intended to help planners and users to select solutions that will be compatible with requirements and will ensure that the availability of the auxiliary power matches that required by the process. The technical solutions described below have been proven many times over in the field.
The Recommendation supports engineers in adapting the technology of auxiliary power concepts to suit the availability requirements of users in the industry. It allows auxiliary power supplies to be designed to match the specific tasks at a reasonable cost.

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