99.60 Jul 25, 1995
IEC
TC 9
International Standard
English French
Replaced
Applies to mercury-arc convertors employing single anode or multi-anode valves with sustained cathode spot, single anode valves without sustained cathode spot, valves provided with grid or ignitor control, and to convertors using semi-conductor diodes. IEC 411 and 411-1 will be combined in a single booklet in the future and issued as the second edition of IEC 411-1.
IEC 60411:1973 ED1
99.60
Withdrawal effective
Jul 25, 1995
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