NF C52-742:1997
Isolating transformers and safety isolating transformers. Requirements.

Standard No.

NF C52-742:1997

Release Date

1997

Published By

Association Francaise de Normalisation

Status

Be replaced 1999-10

Replace By

NF C52-558-1:1999

NF C52-558-2-4:1999

NF C52-558-2-5:1999

NF C52-558-2-6:1999

NF C52-558-2-7:1999

NF C52-558-2-8:1999

NF C52-558-2-9:2003

Latest

NF C52-558-1:2006

NF C52-558-2-4:1999

NF C52-558-2-5:1999

NF C52-558-2-6*NF EN 61558-2-6:2009

NF C52-558-2-7:2008

NF C52-558-2-8:1999

NF C52-558-2-9*NF EN 61558-2-9:2011

NF C52-742:1997 history

• 0000 NF C52-558-1:2006
• 1999 NF C52-558-1:1999 Safety of power transformers, power supply units and similar - Part 1 : general requirements and tests.
• 1997 NF C52-742:1997 Isolating transformers and safety isolating transformers. Requirements.