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Protection
Protection
Midi-
Maestro
140 × × 8/16
Over-temp limit on
heatsink
Under-voltage limit
on the DC bus
Over-voltage limit
180V
on the DC bus
Braking circuit
threshold
Drive dimensions
Dimensions
Height of case
Width of case
Depth of case
Mounting centres from top
mounting bracket to bottom
mounting bracket
Height including
mounting brackets
Width of mounting bracket
Figure 1
Dimensions of the Drive
2
Midi-
Maxi-Maestro
200 × × 25/50
Maestro
140 × × 14/28
95°C
95°C
80V
80V
180V
[AC supply voltage x1.41] +18V
Midi-
Maestro
mm
in
mm
11
h
196
7
/
196
16
9
w
65
2
/
84
16
5
d
220
8
/
220
8
7
a
215
8
/
215
8
1
b
235
9
/
235
4
7
g
62
2
/
80
16
Mechanical Installation
Mounting location
95°C
Mechanical installation has to take into account points
100V
of entry of electrical cables and the fitting of a choke if
required.
275V
The Drive should be located in a place free from dust,
corrosive vapours, gases and all liquids.
Two alternative arrangements for mounting the Drive
are provided. Depending on the position of mounting
brackets, these are:
Surface mounted on a panel or in an enclosure
Through an aperture in a panel so that the
heatsink of the Drive projects from the rear of the
panel. This arrangement can be used for
mounting the Drive through the rear panel of an
enclosure to allow free circulation of air around
the heatsink and to minimize temperature rise
inside the enclosure. This can be beneficial if the
enclosure is to house a number of Drives.
Each mounting bracket is mounted to the heatsink by
two self-tapping screws.
Maxi-
Maestro
in
11
7
/
16
5
3
/
16
5
8
/
8
7
8
/
8
Through-panel
1
9
/
4
mounting
1
3
/
8
Through-panel mounting —
from brackets to front of the
Drive
Through-panel mounting —
from brackets to rear of the
Drive
Surface mounting — from
brackets to front of the Drive
Figure 2
Frame
Surface mounting
on a panel
Dimensions
a
b
c
Details of the mounting brackets
Midi-Maestro and Maxi Maestro Drive
Frame
mm
in
1
134
5
/
4
5
84
3
/
16
11
222
8
/
16
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