Deals with devices for isolation, devices for switching-off for mechanical maintenance, devices for emergency switching and functional switching devices.
WITHDRAWN
IEC 60364-5-537:1981 ED1
99.60
Withdrawal effective
Aug 16, 2001
WITHDRAWN
IEC 60364-5-537:1981/AMD1:1989 ED1
WITHDRAWN
IEC 60364-5-53:2001 ED3