1FN3900-4WB50-0AA1
- SIEMENS
- SERVO | MOTORS
- Other motors and special drives
- 1FN3900-4WB50-0AA1
Part Sales 1
| Condition | Code | Warranty | Availability |
Delivery Express? | Price excl. VAT | |
|---|---|---|---|---|---|---|
| New in sealed box (NC) | 1FN3900-4WB50-0AA1 NC | 12/24 months | In external stock 1 pcs |
Within 2-4 days / Express
|
On request
|
Repair of the part
| Name | Code | Delivery | Warranty | Price excl. VAT | |
|---|---|---|---|---|---|
| Complete part repair | 1FN3900-4WB50-0AA1 O | 3-6 weeks | 24 months | On request | Enquire a repair |
1FN3900-4WB50-0AA1
Siemens 1FN3900-4WB50-0AA1: SIMOTICS L primary section; component of a 3-phase synchronous motor peak load version Fn=8100 N; Fmax=20700 N Vmax/Fn= 222 m/min Vmax/Fmax= 98.6 m/min In=61.4 A; Imax=173 A with PTC120 and temperature sensor KTY84 connection of power and signal combined connection via terminal box PG.
Need to buy or repair this part?
We will check replacement part availability and the options for diagnosing and repairing your faulty unit.
Technical specifications
| Manufacturer | Siemens |
|---|---|
| Order number | 1FN3900-4WB50-0AA1 |
| Component type | primary section |
| Product series | SIMOTICS L |
| Force F_n | 8100 N |
| Maximum force F_max | 20700 N |
| Speed at F_n | 222 m/min |
| Speed at F_max | 98.6 m/min |
| Current I_n | 61.4 A |
| Maximum current I_max | 173 A |
| Temperature monitoring | PTC120 and temperature sensor KTY84 |
Part variants and further information
- New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
- New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
- New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
- New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
- Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
- Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
- Used (U): Functional used part. 3-month warranty.


Buy parts and arrange repairs with FOXON
We supply new original and refurbished parts with a warranty. We confirm current availability and the possible delivery date before you place an order. For faulty parts, we check the options for diagnostics and professional repair.
Need to buy or repair this part?
Send the full order number, required quantity and, for repairs, a description of the fault. We will prepare a quotation within 1 hour.
Request a quote for purchase or repairHighlighted items are mandatory.






