Re-Commissioning After Fused Tripping (Not Applicable For 4-Pole); Measures - Siemens UL 1066 Operating Instructions Manual

6.8

Re-commissioning after fused tripping (Not applicable for 4-pole)

6.8.1

Measures

1
Remove fused circuit breaker/
fuse carriage
2
Identify and remedy cause of
tripping
3
Inspect main contacts of
fused circuit breaker

Checking contact
erosion (page 23-10)
4
Replace fuses
5
Insert fused circuit breaker/
fuse carriage
6 – 11
Frame size II
Check downstream loads
Check switchgear
Frame size III