Mechanical - Siemens 7SR18 Solkor Manual

1.6.4

Mechanical

1.6.4.1 Vibration (Sinusoidal)
IEC 60255-21-1
Type
Vibration response
Vibration endurance
1.6.4.2 Shock and Bump
IEC 60255-21-2
Type
Shock response
Shock withstand
Bump test
1.6.4.3 Seismic
IEC 60255-21-3
Type Level
X-plane - 3.5 mm displacement below crossover
frequency (8 Hz to 9 Hz) 1.0 gn above
Seismic response
Y-plane - 1.5 mm displacement below crossover
frequency (8 Hz to 9 Hz) 0.5 gn above
1.6.4.4 Mechanical Classification
Type
Durability
Unrestricted ©2018 Siemens Protection Devices Limited
Level
0.5 gn
1.0 gn
Level
5 gn, 11 ms
15 gn, 11 ms
10 gn, 16 ms
Level
6
> 10 operations
7SR18 Performance Specification
Variation
£ 5 %
Variation
£ 5 %
Variation
£ 5 %
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