7SG11 Argus 8 Performance Specification
11 Output Contacts
Contact rating to IEC 60255-0-20.
Carry continuously
5A ac or dc
Make and Carry
(limit L/R
≤
40ms and V
≤
300 volts)
For 0.5 sec
20A ac or dc
For 0.2 sec
30A ac or dc
Break
(limit
≤
5A or
≤
300 volts)
Ac resistive
1250VA
Ac inductive
250VA @ PF
≤
0.4
Dc resistive
75W
Dc inductive
30W @ L/R
≤
40 ms
50W @ L/R
≤
10 ms
Minimum number of operations
1000 at maximum load
Minimum recommended load
0.5W, limits 10mA or 5V
12 Environmental Withstand
12.1 General
Temperature - IEC 60068- 2-1/2
Operating range
-10°C to +55°C
Storage range
-25°C to +70°C
Humidity - IEC 60068- 2-3
Operational test
56 days at 40°C and 95% RH
Transient Overvoltage – IEC 60255-5
Between all terminals and earth or between any two
independent circuits without damage or flashover
5kV 1.2 / 50µs 0.5J
Insulation - IEC 60255-5
Between all terminals and earth
2.0kV rms for 1 min
Between independent circuits
2.0kV rms for 1 min
Across normally open contacts
1.0kV rms for 1 min
12.2 Immunity
High Frequency Disturbance -
IEC 60255-22-1 Class III
Variation
2.5kV Common (Longitudinal) Mode
≤
5%
1.0kV Series (Transverse) Mode
≤
5%
Electrostatic Discharge -
IEC 60255-22-2 Class 3
Variation
6kV contact discharge
≤
5%
8kV air discharge (to fascia)
≤
5%
Radio Frequency Interference -
IEC 60255-22-3 Class III
Variation
80MHz to 1000MHz, 10V/m
≤
5%
©2010 Siemens Protection Devices Limited
Chapter 2 Page 7 of 9