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User’s guide VUBB
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1ZSC000562-AAL en
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6. Main vacuum interrupter opens, breaking the circulating
current and commuting the load current to the resistor
branch.
7. Main auxiliary contact disconnects from fixed contact 1.
8. Main auxiliary contact connects to fixed contact 2.
9. Main vacuum interrupter closes, commuting the load
current to the main branch. Continuous load on fixed
contact 2.
Fig. 6.
Fig. 7.
Fig. 8.
Fig. 9.
