Siemens SINOVA - Page 103

Accessories
3.8 Conversion sets - fixed-mounted Circuit Breakers to withdrawable Circuit Breakers
3WJ Air Circuit breakers
102 Operating Instructions, 12/2022, L1V30828903001-01
Coding scheme
Breaking capacity; max.
rated current
Circuit breaker coding
Guide frame coding
e-d-c-b-a
E-D-C-B-A
FSI
Up to 1250 A
1600 A
FSII
Up to 2000 A
2500 A
3200 A
4000 A
Replacement/installation of the control slider
• Remove the screws of the electronic trip unit.
• Remove the electronic trip unit by unplugging all necessary cables.