Technical data

MHD Sychronous motors MHD131 13-11
DOK-MOTOR*-MHD********-PR05-EN-P
13.6 Blower Units
MHD motors can also be delivered with optional blower units. Please refer
to the Surface column of the data sheets for performance data of
surface-cooled motors. The mechanical dimensions of the blower units
are represented in the dimension drawings. The possibilities of combining
motor and blower unit and the technical data of the blowers are
represented in the table below.
Motor Ordering name of blower unit
LEMH-AB131B3H1 LEM-AB131D3H1
1)
MHD131B x x --- ---
MHD131D x x x x
--- Blower installation not possible; x Blower installation possible
Technical data of blower unit
Description Symbol Unit
LEM-AB131D3H1
1)
Type of cooling axial axial
Air flow
B A
blowing
B A
blowing
Rated voltage U
n
V
3x 400 V,
±15%
50 Hz
3x 460 V,
±10%
60 Hz
3x 400 V,
±15%
50 Hz
3x 460 V,
±10%
60 Hz
Power consumption P
n
W827095 130
Rated current I A 0.21 0.15 0.24 0.28
Mean air volume V m³/h 295 295 1000 1000
Blower unit mass m
L
kg 8.6 8.6
Noise level dB(A) 75 75
1): latest delivery 8-2002
Fig. 13-12: Technical data of MHD131 blower units (optional)