Siemens 8DA series Operating Instructions Manual page 28
Fixed-mounted circuit-breaker medium voltage switchgear
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Also See for 8DA series:
- Operating instructions manual (36 pages) ,
- Installation instructions manual (52 pages)
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Operation
18 Feeder earthing and de-earthing
18.1 Feeder earthing
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Earthing the three-position switch and closing the circuit-
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Securing the circuit-breaker against opening
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18.2 De-earthing
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