ENA TS 41-37 ISSUE 3:2022
Current
The latest, up-to-date edition.
Switchgear for use on 66 kV to 132 kV distribution systems
02-01-2022
This ENA TS defines technical requirements for circuit-breakers rated at voltages at either 72.5 kV or 145 kV and applies to alternating current circuit-breakers, designed for indoor or outdoor installation, cable or overhead conductor connected, and for operation at service frequency of 50 Hz on system voltages at 66 kV and up to and including 132 kV accordingly.
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