Technical Summary
| Product type | Permanent-magnet synchronous motor |
|---|---|
| Motor type | High Dynamic |
| PN | 1.4kW |
| UDC | 600V |
| M0 | 4.5Nm (100K) |
| NN | 4500rpm |
| Cooling | Natural cooling |
| Degree of protection | IP65 |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Connector size | M23 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Shaft end | Feather key |
Key Features
1FK7-HD synchronous motor for the 1FK7 servomotor family.
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, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, shaft with fitted key, tolerance N, without holding brake, Degree of protection IP65.
Applications
Motor use in SINAMICS S120 drive systems.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1RA1?
It is a SIMOTICS S synchronous motor in the 1FK7-HD range.
What are the rated power and voltage for 1FK7044-4CH71-1RA1?
PN=1.4kW and UDC=600V.
Which encoder is used on 1FK7044-4CH71-1RA1?
It uses Encoder AM20DQI with DRIVE-CLiQ interface.
What mounting and protection details are listed for this motor?
FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, and Degree of protection IP65.
