5St3 Com Auxiliary Switch And Fault Signal Contact - Siemens Sentron 7KN POWERCENTER 1000 Manual
Circuit protection devices with communication and measuring function
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They communicate wirelessly with up to 24 terminal devices within a switchgear bay or a
distribution board. The recorded data can be accessed via Bluetooth using a mobile terminal
device on site or be forwarded to higher-level systems by means of Modbus TCP. Selected
measured values are stored in the 7KN Powercenter 1000 for up to 30 days and can be
displayed via the Ethernet interface.
Energy flows can be visualized and optimized with the SENTRON powermanager energy
monitoring system. Via the 7KN Powercenter 3000 IoT data platform, the recorded data can
be viewed directly in a web interface or transferred to Cloud applications and evaluated.
The screwless plug-in terminals allow the 24 V DC (SELV) power supply to be looped through
to other devices in the distribution board, and with its 1TE size, the space-saving
7KN Powercenter 1000 enables easy mounting on the DIN rail.
3.2
5ST3 COM auxiliary switch and fault signal contact
5ST3 COM auxiliary switches and fault signal contacts can be used excellently to retrofit
devices, which are not available as communication-capable versions. They are mounted on to
the electromechanical master unit and extended by communication and metering functions
for temperature, switch position and the number of shutdowns.
In order to work in the most space-saving manner, the 5ST3 COM auxiliary switch and fault
signal contact is a measurement and communication-capable add-on module, which only
uses 0.5 TE. This can be mounted on to the series 5SY, 5SP4 and 5SL miniature circuit
breakers and the 5SV residual current operated circuit breaker and 5SV1 and 5SU1 RCBO
switches.
The supply voltage of 24 V DC (SELV) can be bridged to other devices via the screwless plug-
in terminals.
Circuit protection devices with communication and metering function
System Manual, 06/2021, L1V30827018B-01
Circuit protection devices with communication and metering function
3.2 5ST3 COM auxiliary switch and fault signal contact
15
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