IEC 60255-8:1978
Electrical relays - Part 8: Thermal electrical relays

Standard No.

IEC 60255-8:1978

Release Date

1970

Published By

SCC

Status

Be replaced 2013-08

Replace By

IEC 60255-8:1990

Latest

IEC 60255-8:1990

Replace

1978-01-01

Scope

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.

IEC 60255-8:1978 history

• 1990 IEC 60255-8:1990 Electrical relays; part 8: thermal electrical relays
• 1970 IEC 60255-8:1978 Electrical relays - Part 8: Thermal electrical relays