Here are the items that we found.
Discontinued by Siemens
1HU3056-0AF01
DC SERVOMOTOR
This obsolete drive unit is listed as a spare-part class drive with rated power constant-torque capability at its rated voltage.
Family: DC SERVOMOTOR
DC SERVOMOTOR PERMANENT-FIELD EXCITED NAT.AIR COOLING, IP 54 4.5 NM, ADD. REPAIR SERVICE: AV003240
Check these against your nameplate to confirm the exact model.
Discontinued Dec 1997 · Spares & repair until Oct 2009· Milestone P.M500
Get a tested replacement
The exact 1HU3056-0AF01 — 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 DC SERVOMOTOR still available?
Siemens discontinued the DC SERVOMOTOR in Dec 1997. Spare parts and repair support from Siemens is listed until Oct 2009. IAC can help you source a tested replacement or repair option.
Can I still buy a new 1HU3056-0AF01?
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 DC SERVOMOTOR be repaired?
Yes — repair and exchange options may still be available for the DC SERVOMOTOR. 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 22, 2009. 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: 1HU3056-0AF01. Product family: DC SERVOMOTOR. DC SERVOMOTOR PERMANENT-FIELD EXCITED NAT.AIR COOLING, IP 54 4.5 NM, ADD. REPAIR SERVICE: AV003240
