BS-EN-50491-3 › Complete Document History
General requirements for home and building electronic systems (HBES) and building automation and control systems (BACS)


Obsolete Revision Information:
   REPLACED BY BS-EN-IEC-63044-3 - WITHDRAWN IN 2018 - March 6, 2018
   2009 EDITION - General requirements for home and building electronic systems (HBES) and building automation and control systems (BACS). Electrical safety requirements - July 31, 2010