OPERATION
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MANUAL OPERATION
Powerful springs. Do not
place your hands or any
part of your body inside
the circuit breaker while
the indicators show
CHARGED (yellow) or ON
(red).
To avoid damaging the
mechanism, do not close
the circuit breaker when
the On-Off Indicator shows
ON (red).
MANUAL CLOSING (Motor-Operated MU and
ML Types):
1. Check to make sure that the On-Off
indicator shows OFF (green).
2. Attach the closing handle to the breaker if it
is not already attached.
3. If the closing spring status indicator shows
DISCHARGED (white):
Turn the closing handle clockwise (Fig. 23).
The breaker will close (On-Off indicator
changes to ON) after the handle is turned
approximately 75
°
(Fig. 24).
NOTE
If the handle is turned in small
increments, the closing spring will
store the energy from the handle
action and the circuit breaker will
close before 75
°
of rotation.
If the closing spring status indicator shows
CHARGED (yellow):
Turn the closing handle clockwise. The
breaker will close after the handle is turned
approximately 10
°
.
4. Release the handle, and it will return to its
initial position.
Fig. 23 Preparing to Manually Close Breaker
Fig. 24 Manually Closing Breaker
WARNING
CAUTION
