Opening (OFF)
• Push button "OFF" (O) or
• actuate via opening release or
• by undervoltage release or se-
condary release
The position indicator shows the
switch position "OFF" (table item 1
or 2).
The position of the auxiliary switch
has changed.
20
Closing (ON)
• Push button "ON" (I) or
• actuate closing release electrical-
ly
The position indicator shows the
switch position "ON" (table item 3).
The position of the auxiliary switch
has changed.
The energy storing device can be
charged immediately after switching
ON (by hand or by motor). If supply
voltage is applied to the motor, char-
ging is performed automatically.
The position indicator shows the
energy storing device position "char-
ged" (table item 4).
7.4 Switching the circuit breaker
Position indicators on circuit-breaker and possible operating sequences
C = Switching ON O = Switching OFF
Item Position indicator
Energy-storing device
(closing spring)
Position indicator
ON/OFF
Switch position
possible operating
sequence
1 released OFF none
2 charged OFF C - O
3 released ON O
4 charged ON O - C - O