Siemens UL 1066 - Re-Commissioning after Fused Tripping (Not Applicable for 4-Pole); Measures

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6.8 Re-commissioning after fused tripping (Not applicable for 4-pole)
6.8.1 Measures
Frame size II Frame size III
1
Remove fused circuit breaker/
fuse carriage
2
Identify and remedy cause of
tripping
Check downstream loads
Check switchgear
3
Inspect main contacts of
fused circuit breaker

 Checking contact
erosion (page 23-10)
4
Replace fuses
5
Insert fused circuit breaker/
fuse carriage