Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor, 1FK7 family |
|---|---|
| Rated power | PN=2 kW |
| DC voltage | UDC=600 V |
| Standstill torque | M0=22 Nm (100 K) |
| Rated speed | NN=3000 rpm |
| Cooling | Naturally cooled |
| Mounting | Frame size IMB 5 (IM V1, IM V3), flange 1 |
| Feedback | Absolute EncoderR 2048 S/R + 4096 revolutions multiturn, with EnDat interface (Encoder AM2048S/R) |
| Shaft | Plain shaft, tolerance N |
| Brake | Without holding brake |
| Protection | IP65 at the DE flange and IP67 |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7 family.
- Rated performance: PN=2 kW; M0=22 Nm (100 K); NN=3000 rpm.
- Supply: UDC=600 V.
- Feedback: Absolute EncoderR 2048 S/R + 4096 revolutions multiturn, with EnDat interface (Encoder AM2048S/R).
- Mechanical configuration: Naturally cooled, frame size IMB 5 (IM V1, IM V3), flange 1, plain shaft with tolerance N.
- Connection and protection: Rotatable power connector, KTY temperature sensor, without holding brake; degree of protection IP65 at the DE flange and IP67.
Frequently Asked Questions
What identifies Siemens 1FK7085-4CF71-1EG2?
It is a SIMOTICS S synchronous motor with PN=2 kW, UDC=600 V, M0=22 Nm (100 K), and NN=3000 rpm.
Which feedback and connection details distinguish this variant?
It has an absolute EncoderR 2048 S/R + 4096 revolutions multiturn with EnDat interface, plus a rotatable power connector and KTY temperature sensor.
Does this motor include a holding brake?
It is without a holding brake.
Which mechanical and protection details should be checked?
Check the plain shaft with tolerance N, frame size IMB 5 (IM V1, IM V3), flange 1, natural cooling, and IP65 at the DE flange and IP67.
