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IEC 60255-8:1978 ED1

Electrical relays - Part 8: Thermal electrical relays
1. 1. 1978.

Опште информације

99.60     19. 11. 2016.

IEC

TC 94

Međunarodni standard

29.120.70  

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Apstrakt

This edition supersedes the first edition of IEC 255-8 (1978) and IEC 255-17 (1982).
Applies to dependent specified time electrical measuring relays which protect equipment from electrical thermal damage by the measurement of current flowing in protected equipment. States the particular requirements for thermal electrical relays. Is to be read in conjunction with higher level documents in the IEC 255 series.

Životni ciklus

TRENUTNO

POVUČEN
IEC 60255-8:1978 ED1
99.60 Povlačenje stupilo na snagu
19. 11. 2016.

REVIDIRAN OD

POVUČEN
IEC 60255-8:1990 ED2