Siemens 7SG11 - Setting Ranges; Accuracy and Reference Conditions

7SG11 Argus 8 Performance Specification
4 Setting Ranges
Voltage Element Settings
V Element Setting 5V – 200V step 0.5V
V Element Delay 0.00-20.00 step 0.01sec
20.0-100.0 step 0.5sec
100-600 step 1.0sec
V Element Hysteresis 1% – 90% step 1%
Neutral Voltage Settings
3Vo Element Setting 1V – 100V step 0.5V
3Vo Element Delay 0.00-20.00 step 0.01sec
20.0-100.0 step 0.5sec
100-600 step 1.0sec
NPS Overvoltage Settings
V2 Element Setting 1V – 100V step 0.5V
V2 Element Delay 0.00-20.00 step 0.01sec
20.0-100.0 step 0.5sec
100-600 step 1.0sec
Frequency Element Settings
F Element Setting 47.00Hz - 62.00Hz step 0.01Hz
F Element Delay 0.00-20.00 step 0.01sec
20.0-100.0 step 0.5sec
100-600 step 1.0sec
Voltage Blocking Element
Voltage Blocking Threshold OFF, 1V – 100V step 1.0V
5 Accuracy Reference Conditions
General IEC 60255 –3
Auxiliary Supply Nominal
Rating 63.5 or 110 Vrms
Frequency 50 or 60Hz
Ambient Temperature 20°C
6 Accuracy
The following accuracy is specified at reference conditions.
6.1 Overvoltage Element
Overvoltage Element
Operate Level Setting ± 1% or 0.25V
Reset Level ≥ (operate level – hysteresis setting)
Operate Time (see Fig.1) – to output contact
0V to 2x setting
≤ 45ms
0V to 1.1x setting
≤ 55ms
Reset Time
1.1x to 0.9x setting
≤ 50ms
©2011 Siemens Protection Devices Limited Chapter 2 Page 4 of 9