Circuit Breaker Racking-In/Racking-Out Operations - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

Circuit breaker racking-in/
racking-out operations
271 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
The following is the procedure for the insertion of the moving part in the fixed part:
WARNING!
• Make sure the circuit-breaker is disconnected from all sources of energy.
• Switch the circuit-breaker to the open position with springs discharged.
WARNING! Before proceeding, remove all equipment used during the work and remove
processing waste and materials used.
1. Position the lifting plates on the mobile part making sure that the tongue of the plates is latched
properly. See Figure 51.
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Figure 51
2. Extract the guides of the fixed part using the appropriate levers. See Figure 52.
3. Position the moving part on the guides of the fixed part. Latch by inserting the hollow part of the side
in the latch of the guide of the fixed part See Figure 53.
Figure 52
4. Unlatch the tongue and remove the lifting plates from the moving part. See Figure 54.
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Figure 54
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1
Figure 53
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Mechanical accessories | 4 - Operating modes for E2.2-E4.2-E6.2
ABB | SACE Emax 2
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