scope:

Replace the first paragraph by the following: This standard applies to transfer switching equipment (TSE) to be used in power systems for transferring a load supply between a normal and an alternate source with a supply interruption during transfer, the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c. Replace in the second dash of the second paragraph "remote" by "remotely". Renumber the existing note as "NOTE 1". Add the following notes: NOTE 2 This standard covers also ATSE or RTSE which can be used for safety services as defined in IEC 60364-1 and for which the installation requirements are given by IEC 60364-5-56 NOTE 3 Other ATSE requirements are under consideration such as closed transition TSE (make before break transfer operation). After the sentence "The object of this standard is to state:" delete items a) and b) in 1)