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Siemens · 10/2014
Introduction
3WL Air Circuit Breakers
Features
• Coordinated communication concept using the PROFIBUS
DP or MODBUS, ranging from 16 A to 6300 A with 3VL molded
case circuit breakers and 3WL air circuit breakers
• The high level of modularity of circuit breakers and accesso-
ries allows easy retrofitting of all communication components
• Significant additional benefits for the switchgear due to the
possibility of linking up external input and output modules to
the circuit breaker-internal CubicleBUS of the 3WL air circuit
breaker
• Innovative software products for parameterization, operation,
monitoring, and diagnostics of circuit breakers, both locally or
via PROFIBUS DP, MODBUS or Ethernet/Intranet/Internet
• Complete integration of the circuit breakers into the Totally
Integrated Power and Totally Integrated Automation solutions
Communication:
• For air circuit breakers with optional communication function
(ETU45B or ETU76B Electronic Trip Units),
see Catalog LV 10
• For accessories, see Catalog LV 10
• For more information, see also Catalog LV 10, chapters "Mea-
suring Devices and Power Monitoring" and "Software"
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5
9
876 10
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3VA Molded Case Circuit Breakers
3WL air circuit breaker
COM16 MODBUS module
3VL molded case circuit breaker
COM21 MODBUS module
COM800 breaker data server
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2
3
4
5
6
COM100 breaker data server
7KM PAC4200 measuring device
7KM PAC3100 measuring device
7KM PAC3200 measuring device
powerconfig configuration software from V2.3
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RS 485 with
MODBUS RTU
Ethernet MODBUS TCP
3VA-line
3VA-line
I201_19162
© Siemens AG 2015
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