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Siemens SITOP SEL1200 8 x 5 A - Electronic Overload Shutdown and Reset

Siemens SITOP SEL1200 8 x 5 A
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Description, device design, dimension drawing
2.6 Electronic overload shutdown and reset
SITOP SEL1200-1400
Equipment Manual, 06.2020, A5E46496083-2-76
21
2.6 Electronic overload shutdown and reset
An overload is permitted for a defined period of time for each selectivity module output. The
output is electronically shut down according to the "Shutdown characteristic" diagram after
the limit value has been exceeded.
Figure 2-6 Shutdown characteristic
The following applies for the SEL1200: In the range > 150 %, a higher current is briefly
permitted; afterwards it is shut down corresponding to the "Shutdown characteristic"
diagram.
The following applies for the SEL1400: In the range > 150 % of the selected current
response threshold, the current is limited to 150 %, typically after 10 ms to 100 ms, the
output is electronically shut down (LED of the output is lit red).
An output current is continuously permissible up to the selected current response
threshold (LED of the output is lit green).
In the range 100 - 150 % of the selected current response threshold, an overload current
is permissible for 5 seconds (LED of the output flashes green), then the output is
electronically shut down (LED of the output is lit red).

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