Siemens SIRIUS 3SK1 Gebruiksaanwijzing - Pagina 11
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Configuring/planning
3.1
Derating for 3SK1121-1AB40-1AA0
Derating at different ambient temperatures
Ambient tempera‐
ture
40 °C
50 °C
60 °C
3.2
Derating for 3SK1121-1CB41-1AA0 and 3SK1121-1CB42-1AA0
Derating at different ambient temperatures
Ambient tempera‐
ture
40 °C
50 °C
60 °C
SIRIUS 3SK1 Advanced Safety Relays - special versions
Configuration Manual, 03/2022
Derating
No additional restrictions to the information described in the equipment man‐
uals of the individual components.
Distance on the right side to the next device 22.5 mm.
If the basic unit is extended on the right-hand side with output expansions and/
or fail-safe 3RM1 motor starters, a 22.5 mm loop-through connector
(3ZY1212-2AB00) must be used between the basic unit and the first expansion
or the first motor starter so that there is a distance of 22.5 mm between the basic
unit and the first expansion. There are no further restrictions for the expansions.
Distance on the right side to the next device 22.5 mm, as well as limitation of the
current load on the basic device to max. 2 A per contact (Ith) and not more than
a total current of 6 A.
If the basic unit is extended on the right-hand side with output expansions and/
or fail-safe 3RM1 motor starters, a 22.5 mm loop-through connector
(3ZY1212-2AB00) must be used between the basic unit and the first expansion
or the first motor starter so that there is a distance of 22.5 mm between the basic
unit and the first expansion. There are no further restrictions for the expansions.
Derating
No additional restrictions to the information described in the equipment man‐
uals of the individual components.
No additional restrictions to the information described in the equipment man‐
uals of the individual components.
Distance on the right side to the next device 22.5 mm, as well as limitation of the
current load on the basic device to max. 2 A per contact (Ith) and not more than
a total current of 6 A.
If the basic unit is extended on the right-hand side with output expansions and/
or fail-safe 3RM1 motor starters, a 22.5 mm loop-through connector
(3ZY1212-2AB00) must be used between the basic unit and the first expansion
or the first motor starter so that there is a distance of 22.5 mm between the basic
unit and the first expansion.
There are no further restrictions for the expansions.
3
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