Here are the items that we found.
Discontinued by Siemens
1FW3281-1DG73-5AA0
TORQUE MOTOR, 2400 NM. 250 RPM,
This obsolete drive unit is listed as a spare-part class drive with IP54 constant-torque capability at its rated voltage. Enclosure rating is IP54.
Family: TORQUE MOTOROMS TORQUEMOTUPC 887621160029
ProtectionIP54
Check these against your nameplate to confirm the exact model.
Discontinued Oct 2021 · Spares & repair until Jan 0001· Milestone P.M410
Get a tested replacement
The exact 1FW3281-1DG73-5AA0 — tested and warrantied — is the fastest way to get back up and running. Drops into your existing panel with no rewiring or reprogramming.
Tested & warrantied
Genuine Siemens
Ships fast
Reply in 5 minutes during business hours
Other routes
Repair or exchange
Keeps your exact configuration. Often the lowest-cost route.
Tested & warrantied
Genuine Siemens
Reply in 5 minutes during business hours
Deep obsolete inventory
Frequently asked questions
Is the TORQUE MOTOR, 2400 NM. 250 RPM, still available?
Siemens discontinued the TORQUE MOTOR, 2400 NM. 250 RPM, in Oct 2021.Spare parts and repair support from Siemens is listed until Jan 0001.IAC can help you source a tested replacement or repair option.
Can I still buy a new 1FW3281-1DG73-5AA0?
Siemens no longer manufactures this MLFB as a new catalog item. IAC can often source tested surplus units, exchange/refurbished drives, or engineer an equivalent replacement — request a quote for current options.
Can a TORQUE MOTOR, 2400 NM. 250 RPM, be repaired?
Yes — repair, exchange, and spare parts may still be available for the TORQUE MOTOR, 2400 NM. 250 RPM,.Request a repair quote and we will confirm options for your unit.
How long will spare parts be supported?
Siemens lists spare and repair support for this part until January 01, 0001. Availability after that date depends on Siemens stock and third-party sources.
How do I confirm my exact model?
Match the MLFB on your nameplate: 1FW3281-1DG73-5AA0.OMS TORQUEMOT.Product family: TORQUE MOTOR.****spare part**** SIMOTICS T compl. torque motor 1FW3 250 rpm, 62.8 kW, 2400 Nm, 153 A water cooling INCREM. ENCODER 22 BIT + COMMUTATING POSITION 11 BIT (ENCODER IC22DQ) ENCODER MOUNTING OVER BEL...
