Technical Summary
| Product family | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Product type | Permanent-magnet synchronous motor |
| Nominal power | PN=1.2kW |
| Supply voltage | UDC=600V |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Static torque (100 K) | 4.50 Nm |
| Number of poles | 6 |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
| 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) |
Applications
Power connection for the motor with rotatable connectors.
Encoder feedback connection through the DRIVE-CLIQ interface.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD for SINAMICS S120.
PN=1.2kW; UDC=600V; NN=3000rpm.
Absolute encoder 20 BIT + 12 BIT MULTITURN with DRIVE-CLIQ interface (ENCODER AM20DQI) and connectors for signals and power rotatable.
FRAME SIZE IMB 5 (IM V1, IM V3) with FLANGE 1, Degree of protection IP65 and DE flange IP67.
Naturally cooled, with shaft with fitted key, tolerance N, and without holding brake.
Active Product.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1RA2?
It is a SIMOTICS S synchronous motor 1FK7-HD.
What are the key electrical ratings of 1FK7044-4CF71-1RA2?
PN=1.2kW and UDC=600V.
Which encoder is specified for 1FK7044-4CF71-1RA2?
It uses an absolute encoder 20 BIT + 12 BIT MULTITURN with DRIVE-CLIQ interface, ENCODER AM20DQI.
What mounting and protection details are given for 1FK7044-4CF71-1RA2?
FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, Degree of protection IP65 and DE flange IP67.
