TOSHIBA
(2) Mechanical service life
The normally energized type has the mechanical service life of 0.25 million operations ,
and the latch type 0.25 million operations. (The mechanical service life of the vacuum
interrupter is 100,000 operations.)
For the components listed below, replacement or detailed inspection and cleaning are
recommended after the indicated number of operations.
'Table 9
Recommended replacement park