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Motor Description
1.1 Applications and features
Overview
The SIEMOSYN 1FU8 motors are permanent-magnet synchronous motors with
short-circuit cage so that they can synchronously start by themselves. These mo-
tors can be connected to the line supply as constant-speed drives or connected to
a drive converter as variable-speed single-motor drive or group drive.
SIEMOSYN 1FU8 motors are preferably supplied from SIMOVERT MASTER-
DRIVES, MICROMASTER or SINAMICS drive converters.
The mechanical design (shaft height, frame, bearing end shields, shaft dimensions
etc.) is identical with the standard 1LA7 AC motors (IEC Standard).
The motors are available as standard up to a speed of 15,000 [RPM]. They provide
a constant drive-out torque over a wide frequency/speed range.
Fig. 1-1
Siemens AG, 2003. All rights reserved
SIEMOSYN Motors, 1FU8 (PFU) – 09.03 Edition
SIEMOSYN 1FU8 motor
1
1FU8/1-13
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