Technical Summary
| Product designation | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Optimum power | 1.2 kW |
| UDC | 600V |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Static torque (100 K) | 4.50 Nm |
| Rated current | 3.5 A |
| Connector size | M23 |
| 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 | IP65 |
| Cooling | Natural cooling |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Applications
Motor use within SINAMICS S120 drive technology.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD with Active Product lifecycle.
PN=1.2kW; UDC=600V; NN=3000rpm.
Absolute encoder 20 BIT + 12 BIT multiturn with DRIVE-CLiQ interface (ENCODER AM20DQI).
Degree of protection IP65 and Natural cooling.
IM B5 (IM V1, IM V3), connector size M23, and connectors for signals and power rotatable.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1RA1?
It is a SIMOTICS S synchronous motor, 1FK7-HD variant.
What are the rated speed and power of 1FK7044-4CF71-1RA1?
Rated speed (100 K) is 3,000 rpm and optimum power is 1.2 kW.
What encoder interface is used on 1FK7044-4CF71-1RA1?
It uses an absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface (ENCODER AM20DQI).
What are the protection and cooling details for 1FK7044-4CF71-1RA1?
Degree of protection is IP65 and cooling is Natural cooling.
