40
A
LTITUDE
C
HAPTER
11
COMPLIANCE SPECIFICATIONS
11.5. Altitude
Shock Withstand
IEC 61850-3 clause 6.10.2
IEC 60255-21-2
class 1
15 g, 11 ms, half-sine, 3
shocks/direction/axis(18
total)
Bump
IEC 61850-3 clause 6.10.2
IEC 60255-21-2
class 1
10 g, 16 ms, half-sine, 1000
pulses
Seismic, Single Axis Sweep
IEC 61850-3 clause 6.10.3
IEC 60255-21-3
class 1
Freq range: Nominal Range
5-35 Hz, Cross Over: 8-9 Hz
Peak Displacement: Below
cross-overfrequency:
3.5 mm[x] x 1.5 mm [y]
Sweep: 1 Cycle/Axis (x,y,z), 1
Octave/min
Vibration
IEEE 1613 clause 9
V.S.3
Shock
IEEE 1613 clause 9
100 mm
Description
Specification
Level
Altitude
IEC 61850-3 section 4, table 1
IEC 61850-3 section 7.2, table 25
less than or equal to 2000 m
86 kPa to 106 kPa
Description
Specification
Level