IEC 61549 pdf download Miscellaneous lamps
This International Standard specifies lamps, or information relevant to lamps, not given elsewhere in existing IEC lamp standards.
It covers both safety and performance aspects.
NOTE For reasons of flexibility the information in this loose-leaf publication is given in data sheet format.
2 General requirement
The lamps specified in this standard shall comply with the relevant safety standard, if available.
3 Data sheets
3.1 General principle of numbering of data sheets
The first number represents the number of this standard: 61 549, followed by the letters “IEC”.
The second number represents the data sheet number.
The third number represents the edition of the page of the data sheet. In cases where a data sheet has more than one page it is possible for the pages to have different edition numbers with the data sheet number remaining the same.