106 Unidrive M / HS Frame 7 to 10 Power Installation Guide
5.1.17 Acoustic noise
The heatsink fan generates the majority of the sound pressure level at 1 m produced by the drive. The
heatsink fan is a variable speed fan. The drive controls the speed at which the fan runs based on the
temperature of the heatsink and the drive's thermal model system.
Table 5-12 gives the sound pressure level at 1 m produced by the drive for the heatsink fan running at
the maximum and minimum speeds.
Table 5-12 Acoustic noise data
5.1.18 Overall dimensions
H1 Height including surface mounting brackets
H2 Height excluding surface mounting brackets
W Width
D Depth (Projection forward of panel when surface mounted)
Table 5-13 Overall drive dimensions
5.1.19 Weights
Table 5-14 Overall drive weights
Size
Max speed
dBA
Min speed
dBA
7 66.8 49.6
8 67.9 49.8
9 75 52.6
10 75 52.6
Size
H1 H2 W D
mm in mm in mm in mm in
7 557 21.93 508 20 270 10.63 280 11.02
8 804 31.65 753 29.65 310 12.21 290 11.42
9E and 10E 1069 42.09 1010 39.70 310 12.21 290
11.42
9A 1108 43.61 1049 41.30 310 12.21 290 11.42
Size Model kg lb
7 All variants 28 61.70
8 All variants 52 114.64
9A All variants 66.5 146.60
9E All variants
46 101.40
10E All variants
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