Here are the items that we found.
Discontinued by Siemens
1PH6138-4NF46
AC MAIN SPINDLE MOTOR,
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: AC MAIN SPINDLE MOTOROMS HSA-MOTOREAN 4025515010784
ProtectionIP54
Check these against your nameplate to confirm the exact model.
Discontinued Dec 2019 · Spares & repair until Dec 2019· Milestone P.M500
Get a tested replacement
The exact 1PH6138-4NF46 — 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 AC MAIN SPINDLE MOTOR, still available?
Siemens discontinued the AC MAIN SPINDLE MOTOR, in Dec 2019. Spare parts and repair support from Siemens is listed until Dec 2019. IAC can help you source a tested replacement or repair option.
Can I still buy a new 1PH6138-4NF46?
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 AC MAIN SPINDLE MOTOR, be repaired?
Yes — repair and exchange options may still be available for the AC MAIN SPINDLE MOTOR,. 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 December 17, 2019. 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: 1PH6138-4NF46. OMS HSA-MOTOR. EAN 4025515010784. Product family: AC MAIN SPINDLE MOTOR. spare part AC MSD motor, DC link 600 V 22 kW, 1500 r/min, 140 Nm forced-ventilated, optical incr.,IP54 terminal box, signal connector; WITH ERN 1381 ENCODER FITT.; TYPE IM B 35
