CEI EN 50123-6/A1 PDF

FOREWORD

This document (EN 50123-6:2003/A1:2014) has been prepared by CLC/SC 9XC "Electric supply and earthing systems for public transport equipment and ancillary apparatus (Fixed installations)". The following dates are fixed:

– latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-11-17

– latest date by which the National standards conflicting with this document have to be withdrawn (dow) 2017-11-17

This amendment was elaborated to provide guidance to the requirement of 6.6.3, Internal arcing, that gas or vapour escaping under pressure does not endanger operating staff.

 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights.