Siemens 1FT5104-1AC71-1EA0 — Permanent Magnet Synchronous Motor (PMSM)

Part number	1FT5104-1AC71-1EA0
Brand	Siemens
Description	Permanent Magnet Synchronous Motor (PMSM)
Manufacturer	Siemens
Product Type	Permanent Magnet Synchronous Motor (PMSM)
Product Line	1FT5
Part Number	1FT5104-1AC71-1EA0
UPC	662643825367
Weight	40.00 lbs (18.14 kg)
Rated Voltage	600 V DC link voltage
Rated Torque	45 Nm
Cooling Method	Naturally cooled (no external cooling fan required)
Maximum Speed	2000 RPM
Protection Class	IP64
Mounting Configuration	IM B5 (flange-mounted), with options for IM V1 and IM V3
Shaft Configuration	Shaft with fitted key/groove, no holding brake
Encoder Compatibility	Prepared for encoder mounting (encoder not included)
Connector Orientation	Transverse right outlet
Feedback System	Equipped with TG (tachogenerator) and RLG (rotary linear generator)

The Siemens 1FT5104-1AC71-1EA0 is a permanent magnet synchronous motor designed for efficient operation at rated voltage of 600 V DC. This motor delivers a torque of 45 Nm and achieves speeds up to 2000 RPM, making it suitable for various high-performance applications.

Also written as

662643825367

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.