Open/Close Operation - Mitsubishi Electric AE-SW Series Instruction Manual

Open/close operation

< Conditions for closing operation >
ON operation becomes available when the following condi-
tions are met.
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
interlock etc.)
• UVT controller power is supplied and no operation with trip terminals.
• The manual reset button is being reset
Manual open/close operation
< Closing >
Push the ON button, the breaker will close. The ON/OFF in-
dicator will show "ON", and the charging indicator will show
"DISCHARGED". Operating force is less than 50N.
(Caution)
When an OFF locking device (padlock, cylinder
lock, etc.) is being used, release the lock, and then
perform the closing operation.
When closing or opening a drawout type breaker
at the CONNECT or TEST position, do so with the
locking plate protruded.
W h e n a n u n d e r v o l t a g e t r i p d e v i c e ( U V T ) i s
equipped, wait 1.5 sec. after applying the rated
voltage before closing the breaker.
To perform the ON operation, check that the
drawout position indicator shows "CHARGED"
before pressing the ON button. (Fig. 17-2)
* If undervoltage tripping device （ UVT ） is UVT with
a-contact, wait for 1.8 sec. Instead of 1.5 sec.
< Opening >
Push the OFF button, the breaker will be opened and the
ON/OFF indicator will show "OFF". Operating force is less
than 50N.
non-OFF instructions
Manual reset button
OFF
Fig. 17-1
ON
Fig. 17-2
OFF
Fig. 17-3
ON
OFF
E-17