
10 Structure of the drive axis
10.3 Drive concept
290
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
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10.3.2.2 Asynchronous servo motors
MCA MQA SDSGA
Illustration
Short description Totally enclosed fan-cooled asynchro-
nous servo motor
Enclosed-ventilated asynchronous ser-
vo motor, high dynamic performance
and power density
Asynchronous servo motor, smooth
housing, options for inverter opera-
tion
Enclosure IP 23 / 54 / IP 65 IP 23 IP 54 / IP 55
Dynamics High Very high Medium
Mass inertia Low Very low High
Overload capacity Very high Very high High
Power density High Very high Medium
Field weakening High High High
Detent torque
(with regard to M
0
)
None None None
Total torque ripple for M
n
3.5 ... 4.5 % 3.5 ... 4.5 % –
Number of frame sizes 9 3 3
Power 800 W … 53.8 kW 10.6 … 60.2 kW 75 … 600 W
Speed 550 ... 4160 min
-1
550 ... 2935 min
-1
2700 rpm
Continuous torque 2 … 280 Nm 66.2 … 296 Nm 0.27 … 1.9 Nm
Square dimension/diameter 10, 13, 14, 17, 19, 20, 21, 22, 26 cm 20, 22, 26 cm ∅ 75, 85, 95 mm
Shaft height – 100, 112, 132 mm 38, 43, 47 mm
Fan/brake Axial-flow fan, spring-applied brake or
permanent magnet holding brake
Radial-flow blower, spring-applied
brake
No fan, spring-applied brake or perma-
nent magnet holding brake
Feedback system Resolver, incremental encoder, SinCos
encoder, SinCos absolute value encod-
er
Resolver, incremental encoder, SinCos
encoder, SinCos absolute value encod-
er
Resolver
Gearbox mounting Direct mounting or standard mount-
ing
Standard mounting Direct mounting or standard mount-
ing
Note – Cannot be combined with Lenze gear-
box in DSD
–
– Not possible / not available
The data correspond to the device version stored in DSD
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