IEC 60947-3:2008+A1:2012 applies to switches, disconnectors, switch-disconnectors and fuse-combination units to be used in distribution circuits and motor circuits of which the rated voltage does not exceed 1 000 V a.c. or 1 500 V d.c. The manufacturer shall specify the type, ratings and characteristics according to the relevant standard of any incorporated fuses. The technical content is therefore identical to the base edition and its amendment and has been prepared for user convenience. A vertical line in the margin shows where the base publication has been modified by amendment 1. Additions and deletions are displayed in red, with deletions being struck through. The contents of the corrigenda of September 2012 and of November 2013 have been included in this copy. This consolidated version consists of the third edition (2008) and its amendment 1 (2012). Therefore, no need to order amendment in addition to this publication. This publication is to be read in conjunction with IEC 60947-1:2011.