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Siemens 8DA Operating Instructions Manual page 14

Medium-voltage switchgear, extendable fixed-mounted circuit-breaker switchgear up to 40.5 kv, single busbar, single-pole metal-enclosed, metal-clad, sf6-insulated

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Installation
6.1
Preparing busbar connections
Removing the transport blocks
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Preparing busbar installation for the panel located on the
right of the panel joint
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Re-assembling the busbars
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