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Siemens Argus 7SR22 - ARC Flash Detector; Thermal; Supervision; CB Fail

Siemens Argus 7SR22
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7SR210 Settings Guide
Unrestricted ©2018 Siemens Protection Devices Limited Page 19 of 61
3.4.9. Thermal
Description Range Default
Gn 49 Thermal Overload
Selects whether the thermal overload protection element is
enabled
Disabled, Enabled Disabled
Gn 49 Overload Setting
Pickup level
0.1, 0.11 ... 2.99, 3 1.05 xIn
Gn 49 Time Constant (Minutes)
Thermal time constant
1, 1.5 ... 999.5, 1000 10 minutes
Gn 49 Capacity Alarm
Selects whether thermal capacity alarm enabled
Disabled, 50 ... 99, 100 Disabled
49 Reset Therm State
Control that allows thermal state to be manually reset
3.4.10. ARC Flash Detector
Description Range Default
Gn 50AFD
Selects whether the ARC Flash Detector element is enabled
Disabled, Enabled Disabled
Gn 50AFD Setting
Pickup level
1, 2,...10 2 xIn
3.5. Supervision
3.5.1. CB Fail
Description Range Default
Gn 50BF Element
Selects whether the Circuit Breaker Fail element is enabled
Disabled, Enabled Disabled
Gn 50BF Setting
Breaker Fail Current Pickup level. If the current falls below this
level then the CB is deemed to have opened and the element
is reset.
0.05, 0.055 ... 1.995, 2 0.2 xIn
Gn 50BF-I4 Setting 0.005, 0.01 ... 1.995, 2 0.05 xIn
Gn 50BF-1 Delay
Delay before Circuit Breaker Fail stage 1 operates
20, 25 ... 59995, 60000 60 ms
Gn 50BF-2 Delay
Delay before Circuit Breaker Fail stage 2 operates
20, 25 ... 59995, 60000 120 ms
3.5.2. CT Supervision
Description Range Default
Gn 60CTS-I Element Disabled, Enabled Disabled
Gn 60CTS-I Setting 0.05, 0.1 ... 1.95, 2 0.05 xIn
Gn 60CTS-I Delay 0.03, 0.04 ... 14300, 14400 10 s

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