LEGRAND DMX3 Mode D'emploi page 96

DMX
Gently push the breaker to insulated position and close the panel door.
Press OFF button and then open the Racking Shutter.
When the
breaker is
under current,
the carry-
out raching
operation must
be done only
by specialized
personnel.
Excessive forceful
racking-in beyond
connected
position lead to
product damage.
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