Revised
Specifies the characteristics and tests for insulated bushings intended for use in electrical apparatus, machinery, transformers, switchgear and installations for three-phase alternating current systems, having highest voltage for equipment above 1 000 V and power frequencies of 15 Hz up to and including 60 Hz.
Special requirements and tests for transformer bushings in this standard apply also to reactor bushings.
Revises
IEC 60137:1995 ED4
IEC 60137:2003 ED5
99.60
Withdrawal effective
25 korr 2008
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