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MOU NTI NG A N D OPE R ATI ON M A N UA L
I N D O O R A I R S W I TC H - D I S CO N N EC TO R , N A L /N A L F/ V R
17.1 Mounting of NM/MU motor drive
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84 NM mounted on the left hand side
—
85 NM mounted on the right hand side
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17.0 Motor drive
There are two types of drives which can be used
together with NAL/NALF/VR:
- NM/MU,
- UEMC 41.
NM/MU drive can be mounted on the NAL/NALF/
VR mechanism shaft where UEMC 41 can have
more possibilities to be connected to switch-
disconnector.
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CAUTION!
The pushbuttons on the box must not be
held for more than 5-6 seconds. The
button only initiates the closing or
opening process. It has its own support
and there is no need to keep pressed.
_
CAUTION!
In case of any installation/maintenance of
switchdisconnector NAL/VR equipped with
NM/ MU drive, disconnect power source of
control board first.
NM Motor Drive
Auxiliary switch
Auxiliary switch
NM Motor Drive