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Inspection & Maintenance
4.7 Maintaining the main contact system
For 3200 A/4000 A versions
1. Insert the conduction paths into the rear housing.
2. Fix the conduction paths to the housing by means of the corresponding screws and
washers.
Installing the contact carriers
• For 2000 A/2500 A versions: insert the spacer into the rear housing.
• Insert the coupling bolts into the contact carriers.
• Insert the contact carriers into the rear housing and secure with the corresponding screws
and washers.
• Rotate the contact carriers upwards.
190
Operating Instructions, 12/2022, L1V30828903001-01
3WJ Air Circuit breakers
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