Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HI |
|---|---|
| Rated power | PN=2.7kW |
| DC-link voltage | UDC=600V |
| Rated torque | M0=12Nm (100K) |
| Rated speed | NN=3000rpm |
| Encoder | Absolute encoder 20-bit + 12-bit multiturn, encoder AM20DQI |
| Interface | DRIVE-CLiQ |
| Shaft | Feather key, tolerance N |
| Holding brake | Without holding brake |
| Mounting and cooling | Naturally cooled design IMB 5 (IM V1, IM V3), Flange 1 |
| Protection | IP65 |
Key Features
- Product designation: SIMOTICS S synchronous motor 1FK7-HI.
- Rated performance: PN=2.7kW; UDC=600V; M0=12Nm (100K); NN=3000rpm.
- Encoder and interface: Absolute encoder 20-bit + 12-bit multiturn with DRIVE-CLiQ interface (encoder AM20DQI).
- Shaft and brake: Shaft with feather key, tolerance N, without holding brake.
- Cooling and mounting: Naturally cooled design IMB 5 (IM V1, IM V3) with Flange 1.
- Connection and protection: Rotatable power connector; degree of protection IP65.
Frequently Asked Questions
What product does Siemens order number 1FK7081-3BF71-1RA1 identify?
It identifies a SIMOTICS S synchronous motor 1FK7-HI.
Which ratings distinguish this exact motor variant?
PN=2.7kW, UDC=600V, M0=12Nm (100K), and NN=3000rpm.
Which encoder and interface are supplied?
It has an absolute encoder 20-bit + 12-bit multiturn with a DRIVE-CLiQ interface (encoder AM20DQI).
What shaft and brake configuration should be checked?
The shaft has a feather key with tolerance N, and the motor is without holding brake.
