Siemens SIPROTEC 4 7XT71 Series, Manual, Page: 112 / 122

Mechanical Tests
Vibration and Shock Stress in Stationary Use
Standards IEC 60255-21 and IEC 60068
Oscillation
IEC 60255-21-1, class II;
IEC 60068-2-6, Test Fc Sinusoidal
10 Hz to 58 Hz: ± 0.075 mm amplitude;
58 Hz to 150 Hz: 1 g acceleration
Frequency sweep rate: 1 octave/min, 20 cycles in
3 axes perpendicular to one another
Shock
IEC 60255-21-2, class I;
IEC 60068-2-27, Test Ea Semi-sinusoidal
5 g acceleration, duration: 11 ms, 3 shocks each in
both directions of the 3 axes
Seismic vibration
IEC 60255-21-3, class II;
IEC 60068-3-3, Test Fc Sinusoidal
3 Hz to 8 Hz: ± 8 mm amplitude (horizontal axis)
1 Hz to 8 Hz: ± 4 mm amplitude (vertical axis)
8 Hz to 35 Hz: 2 g acceleration (horizontal axis)
8 Hz to 35 Hz: 1 g acceleration (vertical axis)
Frequency sweep rate: 1 octave/min; 1 cycle in 3 axes
perpendicular to one another
Vibration and Shock Stress during Transport
Standards IEC 60255-21 and IEC 60068-2
Oscillation
IEC 60255-21-1, class 2
IEC 60068-2-6, Test Fc Sinusoidal
5 Hz to 8 Hz: ± 7.5 mm amplitude;
8 Hz to 150 Hz: 2 g acceleration
Frequency sweep rate: 1 octave/min, 20 cycles in 3
axes perpendicular to one another
Shock
IEC 60255-21-2, class 1
IEC 60068-2-27, Test Ea Semi-sinusoidal
Acceleration: 15 g, duration: 11 ms,
3 shocks each in both directions of the 3 axes
Continuous shock
IEC 60255-21-2, class 1
IEC 60068-2-29, Test Ea Semi-sinusoidal
Acceleration: 10 g, duration: 16 ms,
1000 shocks each in both directions of the 3 axes
Climatic Stress
Temperatures
Standard IEC 60255-6
Recommended temperature during operation
Rated auxiliary alternating v 15 %
-5 °C to +40 °C
Rated auxiliary alternating v 10 % -5 °C to +55 °C
Limiting temperature
During storage
-25 °C to +55 °C
During transport -25 °C to +70 °C
Storage and transport using factory packaging
8.2.2
8.2.3
Technical Data
8.2 Tests
50 SIPROTEC 4/5, Injection unit 7XT71, Manual
C53000-B1174-C128-8, Edition 05.2020