States the test and measurement procedures for electromechanical all-or-nothing relays within the scope of the IEC.
States for electromechanical all-or-nothing relays:
- special terms and definitions used (Section 2), and
- test and measurement procedures (Section 3).
This edition supersedes the first edition of IEC 255-7 (1978).
WITHDRAWN
IEC 60255-7:1978 ED1
99.60
Withdrawal effective
Nov 19, 2016
WITHDRAWN
IEC 60255-7:1991 ED2