Technical Summary
| Product designation | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| PN | 1.4kW |
| UDC | 600V |
| M0 | 4.5Nm (100K) |
| NN | 4500rpm |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Degree of protection | IP64 |
| Cooling | Natural cooling |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Holding brake | without holding brake |
Applications
Motor use in SINAMICS S120 drive configurations.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD for the exact order number 1FK7044-4CH71-1RA0.
PN=1.4kW; UDC=600V.
M0=4.5Nm (100K); NN=4500rpm.
Absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLiQ interface (Encoder AM20DQI).
Naturally cooled, IM B5 (IM V1, IM V3), IP64, shaft with fitted key, tolerance N, without holding brake.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1RA0?
It is a SIMOTICS S synchronous motor 1FK7-HD.
What are the key electrical ratings of 1FK7044-4CH71-1RA0?
PN=1.4kW and UDC=600V.
What encoder does 1FK7044-4CH71-1RA0 use?
It uses an absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLiQ interface (Encoder AM20DQI).
What mounting and protection details are listed for 1FK7044-4CH71-1RA0?
It is designed as IM B5 (IM V1, IM V3) and has degree of protection IP64.
