1FK7042-2AC71-1QA0
- SIEMENS
- SERVO | MOTORS
- 1FK servomotors
- 1FK7042-2AC71-1QA0
1FK7042-2AC71-1QA0
SIMOTICS S Synchronous motor 1FK7-CT PN=0.59kW; UDC=600V M0=3Nm (100K); NN=2000rpm; Naturally cooled IMB 5 design (IM V1, IM V3) Flange 1 Power connector rotatable Absolute encoder single-turn 20-bit with Drive-CLiQ interface (encoder AS20DQI) shaft with feather key, tolerance N without holding brake IP64 degree of protection More
Code: 1FK7042-2AC71-1QA0
SIMOTICS S Synchronous motor 1FK7-CT PN=0.59kW; UDC=600V M0=3Nm (100K); NN=2000rpm; Naturally cooled IMB 5 design (IM V1, IM V3) Flange 1 Power connector rotatable Absolute encoder single-turn 20-bit with Drive-CLiQ interface (encoder AS20DQI) shaft with feather key, tolerance N without holding brake IP64 degree of protection More
Code: 1FK7042-2AC71-1QA0
Repair of the part
| Name | Code | Delivery | Warranty | Price excl. VAT | |
|---|---|---|---|---|---|
| Complete part repair | 1FK7042-2AC71-1QA0 O | 3-6 weeks | 24 months | On request | Enquire a repair |
1FK7042-2AC71-1QA0 – SIMOTICS S-1FK7
Siemens 1FK7042-2AC71-1QA0: SIMOTICS S-1FK7. Permanent-magnet synchronous motor; Compact. Natural cooling. without holding brake.
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 | 1FK7042-2AC71-1QA0 |
| Rated speed (100 K) | 2,000 rpm |
| Number of poles | 8 |
| Rated torque (100 K) | 2.8 Nm |
| Rated current | 1.6 A |
| Static torque (60 K) | 2.50 Nm |
| Static torque (100 K) | 3.00 Nm |
| Stall current (60 K) | 1.30 A |
| Stall current (100 K) | 1.61 A |
| Moment of inertia | 2.900 kgcm² |
| Net motor weight | 4.6 kg |
| Motor type and design | Permanent-magnet synchronous motor; Compact |
| Cooling | Natural cooling |
| Connector size | M23 |
| Degree of protection | IP64 |
| Mounting design | IM B5 (IM V1, IM V3) |
| Temperature monitoring | Pt1000 temperature sensor |
| Electrical connectors | Connectors for signals and power rotatable |
| Holding brake | without holding brake |
| Shaft end | Feather key |
| Encoder system | Encoder AS20DQI: absolute encoder single-turn 20 bits |
| Speed at optimum operating point | 2,000 rpm |
| Power at optimum operating point | 0.6 kW |
| Maximum mechanical speed | 9,000 rpm |
| Maximum speed with inverter | 4,750 rpm |
| Maximum torque | 10.5 Nm |
| Maximum current | 5.6 A |
Calculated values may differ from nameplate ratings.
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.


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Send the full order number, required quantity and, for repairs, a description of the fault. We will prepare a quotation within 1 hour.
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