EN (IEC) 61439-1/2 - Siemens Global Website
18.12.2013 © Siemens AG 2013 All rights reserved. Page 4 SIVACON Partnering Milestones of Switchboard Standards 1896 VDE 0660 part 500 (TTA) type-tested switchgear and VDE 0660 part 500 (PTTA) Partially type-tested switch- (EN (IEC) 60439-1) controlgear a...