9 – 50
Installation is carried out in the reverse order.
After replacing the trip unit, always test with the handheld test device (page 9-99)
For ordering trip units, please refer to the latest version of the "Selection and Application Guide" WL Low Voltage Power Circuit Breaker
catalog.
If a trip unit with another configuration than the existing one is installed, the Catalog No. on the options label of the circuit breaker must be
changed according to the catalog data.
Please contact the technical assistance hotline if you have any queries.
Remove connectors
N sensor
1)
1)
Equipment dependent on type
Current sensors
Energy transducer
BSS module
1)
6
X21
X24
X20
7
8
PH 1
1,2 ± 0,3 Nm
11 lb-in
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