Environmental Performance - Siemens 7SR45 Argus User Manual

1.3

Environmental Performance

This section describes about the environmental tests performed with 7SR45 Argus Relay under different
conditions.
Type Test
Degree of Protection
Vibration
Shock and Bump
Seismic
Contact Performance
© 2018 Siemens Protection Devices Limited
Table 1-12
Reference
IEC 60529
IEC60255-21-1
IEC 60255-21-2
IEC 60255-21-3
IEC 60255-1
(Ref: Std IEC 61810-1)
Chapter 3 - 7SR45 Performance Specification
Mechanical Tests
Requirement
IP52 front
IP20 rear
1. Vibration Endurance, Class I, Peak
Acceleration 1 gn
X, Y, Z axis (20 sweeps/axis)
2. Vibration Response, Class I, Peak
Acceleration 0.5 gn
X, Y, Z axis (1 sweeps/axis)
Frequency Range : 10 Hz to 150 Hz
Sweep rate : 1 octave/min
1. Shock response, Class I,
Peak Acceleration 5 gn
X, Y, Z axis (3 per direction)
Total number of shocks: 18
2. Shock withstand, Class I,
Peak Acceleration 15 gn
X, Y, Z axis (3 per direction)
Total number of shocks: 18
3. Bump, Class 1,
Peak Acceleration 10 gn
X, Y, Z axis (1000 per direction)
Total number of Bumps: 6000
1. In single axis sine sweep in X axis, Class I,
Peak Acceleration 1 gn
2. In single axis sine sweep in Y axis, Class I,
Peak Acceleration 0.5 gn
Frequency Range : 1 Hz to 35 Hz
Sweep rate : 1 octave/minute
Making Capacity
Carry continuously
Make and carry
Breaking Capacity
Electrical Endurance: 10000 operations