Here are the items that we found.
Discontinued by Siemens
6SE6440-2AD22-2BA1
MICROMASTER 440
This obsolete MICROMASTER 440 unit is listed as a spare-part class drive with 2.2 kW constant-torque capability at 380-480V, 3 AC. It supports short overload to 150% / 60 s under constant-torque duty. Enclosure rating is IP20. Physical size is approximately 202×149×172 mm (H×W×D).
Family: MICROMASTER 440OMS MM440EAN 4019169450379UPC 783087635845
Power2.2 kW
Voltage380-480V, 3 AC
Overload150% / 60 s
ProtectionIP20
Dimensions202×149×172 mm
Ambient temperature-10 to +50 °C
Check these against your nameplate to confirm the exact model.
Discontinued Oct 2019 · Spares & repair until Oct 2029· Milestone P.M410
Get a tested replacement
The exact 6SE6440-2AD22-2BA1 — 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.
Migrate to SINAMICS
The long-term retrofit path. Future-proof, but engineering work — not a drop-in.
If you do migrate: what's involved
Successor family: SINAMICS
Typical MICROMASTER 440 → SINAMICS G120 migration pattern (general — not verified for your exact MLFB):
Power module
PM240-2
Control unit
CU240E-2
Operator panel
BOP-2
Not a drop-in. Different footprint and terminals — expect rewiring and full reparameterization. Our engineers confirm the exact configuration for your application.
Tested & warrantied
Genuine Siemens
Reply in 5 minutes during business hours
Deep obsolete inventory
Frequently asked questions
Is the MICROMASTER 440 still available?
Siemens discontinued the MICROMASTER 440 in Oct 2019.Spare parts and repair support from Siemens is listed until Oct 2029.IAC can help you source a tested replacement or repair option.
Can I still buy a new 6SE6440-2AD22-2BA1?
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.
What replaced the MICROMASTER 440?
Siemens lists the SINAMICS family as the successor path for the MICROMASTER 440.This is not a drop-in replacement — engineering verification is required.
Is the SINAMICS a drop-in replacement?
No. The SINAMICS is not a drop-in replacement for the MICROMASTER 440. Expect different footprint, terminals, and full reparameterization. Our engineers confirm the exact configuration for your application.
Can a MICROMASTER 440 be repaired?
Yes — repair, exchange, and spare parts may still be available for the MICROMASTER 440.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 October 01, 2029. 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: 6SE6440-2AD22-2BA1.OMS MM440.EAN 4019169450379.Product family: MICROMASTER 440.**spare part** MICROMASTER 440 built-in class A filter 380-480 V 3 AC +10/-10% 47-63 Hz constant torque 2.2 kW overload 150% 60 s, 200% 3 s square-law torque 2.2 kW 202x 149x 172 (HxWxD) degree of ...
