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IEC 61557-7:1997 ED1

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence
28. 2. 1997.

Опште информације

99.60     29. 1. 2007.

IEC

TC 85

Međunarodni standard

17.220.20     29.080.01     29.240.01  

engleski   francuski   španski  

Kupovina

Revidiran

Jezik na kome želite da primite dokument.

Apstrakt

Specifies 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.

Životni ciklus

TRENUTNO

POVUČEN
IEC 61557-7:1997 ED1
99.60 Povlačenje stupilo na snagu
29. 1. 2007.

REVIDIRAN OD

POVUČEN
IEC 61557-7:2007 ED2