ABB SACE Emax E2.2 Installation, Operation And Maintenance Instructions For The Installer And The User page 74

Low voltage air circuit-breakers
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Interlock check Check that the vertical or horizontal interlocking devices (if provided) are installed and that they operate
72 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
correctly.
WARNING! the interlocks cannot be tested in the Test or Disconnected positions.
Perform maintenance periodically as indicated in the table below.
Activity
Frequency
Functionality
1 year or
Check tightness
20% of mechanical life or
20% of electrical life
Lubrication
Three years or 50% of the mechanical life or
50% of the electrical life of the largest circuit-
Cables
breaker involved in the interlock.
After a trip due to a short-circuit.
(*)
Figure 95
Use Mobilgrease 28, also available in the ABB greasing kit.
(*)
Maintenance operations
See kit sheet
As shown in the figure
Replacement is advisable
(*)
(*)
Putting into service and maintenance | 5 - Second level maintenance
ABB | SACE Emax 2

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