BS 4999-103:2004

This standard BS 4999-103:2004 General requirements for rotating electrical machines is classified in these ICS categories:

• 29.160.30 Motors

This part of BS 4999 specifies symbols for identification of dimensions of frame sizes for rotating electrical machines which are outside the scope of BS EN 50347. It specifies symbols for dimensions of skirt-mounted motors, pad-mounted motors, slide rails, shaft ends and keyways, and shaft ends with one or with two tapped holes.

NOTE Information on the system of frame nomenclature applicable to the motors covered by this part of BS 4999 is given in Annex A.