Technical Summary
| Product designation | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Output power | PN=2kW |
| DC link voltage | UDC=600V |
| Static torque (100 K) | 28.00 Nm |
| Rated speed (100 K) | 3,000 rpm |
| Number of poles | 8 |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Electrical connectors | Connectors for signals and power rotatable |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Applications
Motor use in SINAMICS S120 drive systems.
Key Features
1FK7-HD motor with permanent-magnet synchronous motor design and High Dynamic construction.
PN=2kW, UDC=600V, M0=28Nm (100K), and NN=3000rpm.
Absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLIQ interface (ENCODER AM20DQI).
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3) with FLANGE 1 and rotatable power connector.
Degree of protection IP64, shaft with fitted key, tolerance N, and without holding brake.
Frequently Asked Questions
What is the exact Siemens part number and motor type?
The exact part number is 1FK7086-4CF71-1RA0, and it is a SIMOTICS S synchronous motor 1FK7-HD.
What are the main electrical and performance ratings for 1FK7086-4CF71-1RA0?
Key ratings are PN=2kW, UDC=600V, M0=28Nm (100K), and NN=3000rpm.
Which encoder and interface are included on this motor?
It has an absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLIQ interface, ENCODER AM20DQI.
What mounting, cooling, and protection details are specified?
The motor is naturally cooled, has FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, and degree of protection IP64.
