Siemens SENTRON 3WL Reference Manual page 51

3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
Example of the mode of operation of Zone Selective
Interlocking functionality in power distribution
SENTRON 3WL SENTRON 3WL
3
4
5
6
SENTRON 3WL
3
4
5
6
SENTRON 3VL and SENTRON 3WL circuit breakers used in various
staggered levels
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More information
Up-to-date information on the Internet at:
http://www.siemens.com/sentron
SENTRON 3WL
3 3
4 4
5 5
6 6
SENTRON 3WL
3
4
5
6
SENTRON 3VL SENTRON 3WL
3
4
5
6
3WL Air Circuit Breakers
SENTRON 3WL
3
4
5
ZSI module
6
SENTRON 3WL
Connection diagram for a Zone Selective Interlocking functionality with
multiple infeed and several outgoing units with SENTRON 3WL circuit
breakers
SENTRON 3WL
3
4
5
ZSI module
6
SENTRON 3WL
SENTRON 3WL
3
4
5
6
Zone Selective Interlocking functionality: Connection using a coupling
switch, use of SENTRON 3WL circuit breakers
Project planning aids
SENTRON 3WL
3
4
5
6
NSE0_01898
SENTRON 3WL
3
4
5
6
NSE0_01899
SENTRON 3WL
3
4
5
6
Siemens · 2009 51