ABB SACE Emax 2 Series Operating Instructions Manual page 285

Low voltage air circuit-breaker
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Interlock check Check that the vertical or horizontal interlocking devices (if provided) are installed and that they operate
282 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
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
Cables
circuit-breaker involved in the interlock.
After a trip due to a short-circuit.
(*)
Figure 167
Use Mobilgrease 28, also available in the ABB greasing kit.
(*)
ABB | SACE Emax 2
Maintenance operations
See kit sheet
As shown in the figure
Replacement is advisable
(*)
(*)
Putting into service and maintenance
4 - E2.2, E4.2 and E6.2 second level maintenance

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