Projekta Nr.EN 61557-7:1997
NosaukumsSpecifies requirements for measuring equipment applied to testing th e phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.
Reģistrācijas numurs (WIID)47683
Darbības sfēraSpecifies requirements for measuring equipment applied to testing th e phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.
StatussAtcelts
ICS grupa19.080