Opening/Closing Operation - Mitsubishi Electric AE-SW Series Instruction Manual

Opening/Closing operation

< Conditions of ON operation >
ON operation will be possible, when all the following condi-
tions have fulfilled.
¡The breaker is OFF condition.
¡The closing spring is charged.
The charging indicator shows "CHARGED".
¡The state without OFF operations.
•
Without SHT operation
•
Without mechanical lock (Padlock, Cylinder lock, Mechanical in-
terlock etc.)
•
UVT controller power is supplied and no operation with trip ter-
minals.
Manual operation
< Closing >
Push the ON button, the breaker will close. The ON/OFF
indicator will show "ON", and the charging indicator will show
"DISCHARGED". Operating force is less than 50N.
(Note:)
When the OFF lock device (Padlock, cylinder lock,
castell lock etc.) is used, the closing operation should
be made after the lock is released.
Opening and closing of the drawout type breaker
must be carried out in either the CONNECT or the
TEST position.
If an under voltage trip device (UVT) is provided, its
rated voltage should be applied before attempting to
close and open the breaker.
< Opening >
Push the OFF button, the breaker will be opened and the
ON/OFF indicator will show "OFF". Operating force is less
than 50N.
E − 16
non-OFF instructions
Fig. 16-1
ON
Fig. 16-2
OFF
Fig. 16-3
OFF
ON
OFF