Here are the items that we found.
Discontinued by Siemens
1FL3042-0AC31-0BK0
SIMOSTEP 1FL3042-0AC31-0BK0 4NM
This obsolete drive unit is listed as a spare-part class drive with rated power constant-torque capability at its rated voltage.
Family: SIMOSTEP 1FL3042-0AC31-0BK0 4NMOMS SIMOSTEPUPC 662643009064
SIMOSTEP STEPPER MOTOR, 4 NM SHAFT DIAMETER 12MM
Check these against your nameplate to confirm the exact model.
Discontinued Oct 2008 · Spares & repair until Sep 2021· Milestone P.M500
Get a tested replacement
The exact 1FL3042-0AC31-0BK0 — 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
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Tested & warrantied
Genuine Siemens
Reply in 5 minutes during business hours
Deep obsolete inventory
Frequently asked questions
Is the SIMOSTEP 1FL3042-0AC31-0BK0 4NM still available?
Siemens discontinued the SIMOSTEP 1FL3042-0AC31-0BK0 4NM in Oct 2008.Spare parts and repair support from Siemens is listed until Sep 2021.IAC can help you source a tested replacement or repair option.
Can I still buy a new 1FL3042-0AC31-0BK0?
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.
How long will spare parts be supported?
Siemens lists spare and repair support for this part until September 30, 2021. 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: 1FL3042-0AC31-0BK0.OMS SIMOSTEP.Product family: SIMOSTEP 1FL3042-0AC31-0BK0 4NM.SIMOSTEP STEPPER MOTOR, 4 NM SHAFT DIAMETER 12MM
