Completing Installation
²
Resume operation of the device.
NOTE
In order to warrant safe functioning, the affected sensor must be substituted after detection of an arc.
NOTE
Hereby, Siemens declares that until now, UL has neither investigated whether the device can detect an arc-
protection fault, neither if in case of an arc-protection fault, the safety of personnel and system is guaran-
teed.
Line Sensor
Description
The line sensor detects arcs in the control cabinets of the air-insulated system part.
[dw_line_sensor_mounting, 1, en_US]
Figure 5-15
Line Sensor for the Arc-Protection Module ARC-CD-3FO
Installation
Depending on the application, the line sensor can be, for example, laid along the busbar. Additional point
sensors are installed in order to identify the arcs in the circuit-breaker compartment and in the cable connec-
tion compartment.
5.4.2
5.4.2.1
5.4.2.2
Working on the Device
5.4 Arc Sensors for Module: ARC-CD-3FO
SIPROTEC 5, Hardware Description, Manual 203
C53000-G5040-C002-J, Edition 08.2020
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