
3WL Air Circuit Breakers
51
Siemens · 2012
3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
Project planning aids
Example of the mode of operation of Zone Selective
Interlocking functionality in power distribution
3VL and 3WL circuit breakers used in various staggered levels
Circuit diagram for a Zone Selective Interlocking functionality with multi-
ple infeed and several outgoing units with 3WL circuit breakers
Zone Selective Interlocking functionality: Connection using a coupling
switch, use of 3WL circuit breakers
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More information
Up-to-date information on the Internet at:
www.siemens.com/sentron
SENTRON 3WL
SENTRON 3WL SENTRON 3WL SENTRON 3WL
SENTRON 3WL
SENTRON 3WLSENTRON 3VL
NSE0_01897
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ZSI
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ZSI
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SENTRON 3WL SENTRON 3WL
SENTRON 3WL
NSE0_01898
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SENTRON 3WL SENTRON 3WL
SENTRON 3WL
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SENTRON 3WL SENTRON 3WL
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© Siemens AG 2011
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