Siemens 7sg15 microtapp - 8. Environmental withstand

7SG15 MicroTAPP Performance Specification
Operating time variation
≤ 5%
7.3.3 Harmonic Content
Harmonic Content
Frequencies to 350Hz
Setting Variation
≤ 5%
Operating time variation
≤ 5%
7.3.4 Auxiliary Supply (DC)
Allowable superimposed A.C. component
≤ 12% of D.C. level
Allowable breaks/dips in supply (collapse to zero
from nominal voltage)
≤ 20ms
8. Environmental withstand
8.1 Temperature - IEC 60068-2-1/2
Operating range
-10°C to +55°C
Storage range
-25°C to +70°C
8.2 Humidity - IEC 60068-2-3
Operational test
56 days at 40°C and 95% r.h.
8.3 Transient Overvoltage - IEC 60255-5
Between all terminals and
earth or any 2 terminals
without damage or flashover
5kV 1.2/50µs 0.5J
8.4 Insulation – IEC 60255-5
Between any circuit and earth
2.0kV for 1min
Between independent circuits
2.0kV for 1min
Across normally-open contacts
1.0kV for 1min
8.5 High Frequency Disturbance - IEC 60255-22-1 Class III
2.5kV longitudinal mode
variation ≤ 3%
1kV transverse mode
variation ≤ 3%
8.6 Electrostatic Discharge - IEC 60255-22-2 Class III
8kV point discharge
variation ≤ 5%
©2010 Siemens Protection Devices Limited Chapter 2 Page 7 of 8