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SF6 Gas Gas-Insulated-Substations Recovery of Polluted enervac

CIRCUIT-BREAKERS 245 - 420 kV· PDF file2 as gas mixture has been changed. Bolt as a HV terminal removed. Old Appendices 2, 3 and 6 removed. New Appendix 3. ... (SF6) and its mixtures SS-EN 62271-100 High-voltage switchgear and controlgear - Part 100: ... intended for use in polluted conditions – Part 1: Definitions, information and general principles ...

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