BS-EN-61557-9 Complete Document History
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures. Equipment for insulation fault location in IT systems

Complete Current Edition:
   2015 EDITION - Electrical safety in low voltage distribution systems up to - Feb. 28, 2015
   2015 EDITION CORRIGENDUM 1 - CORRIGENDUM 1 FOR 2015 EDITION - March 1, 2017

Obsolete Revision Information:
   2009 EDITION - Equipment for insulation fault location in IT systems - April 30, 2009
   2000 EDITION - Equipment for insulation fault location in IT systems - Oct. 15, 2000