Panel-Specific Switching States And Switching Sequences; Circuit-Breaker Panels With 3Ah5 Vacuum Circuit-Breaker; Circuit-Breaker Panels With 3Ah6 Vacuum Circuit-Breaker And With Feeder Earthing Switch - Siemens SIMOSEC Operating Instructions Manual

Operation
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Panel-specific switching states and switching sequences

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Circuit-breaker panels with 3AH5 vacuum circuit-breaker

Panel:
Switch position
CLOSED
OPEN
EARTHED
OPEN
CLOSED

Circuit-breaker panels with 3AH6 vacuum circuit-breaker and with feeder earthing switch

Panel:
Switch position
CLOSED
OPEN
EARTHED
OPEN
CLOSED
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3AH5 vacuum circuit-breaker
CLOSED
a
OPEN
h
CLOSED
3AH6 vacuum circuit-breaker
CLOSED
a
OPEN
*)
OPEN
h
CLOSED
REVISION 02 * OPERATION SIMOSEC * 832-6008.0
Three-position
switch-disconnector
CLOSED
s
OPEN
d
EARTHED
f
OPEN
g
CLOSED
Three-position
switch-disconnector /
Three-position disconnector
CLOSED
s
OPEN
d
EARTHED
f
OPEN
g
CLOSED