Technical Summary
| Product designation | SIMOTICS S Synchronous motor |
|---|---|
| Lifecycle status | Active Product |
| Rated power | PN=1.4kW |
| Rated voltage | UDC=600V |
| Rated torque (100 K) | 3.0 Nm |
| Static torque (100 K) | 4.50 Nm |
| Rated speed (100 K) | 4,500 rpm |
| Maximum torque | 13.0 Nm |
| Rated current | 3.9 A |
| Encoder system | Encoder IC22DQ: incremental encoder 22 bits (resolution 4194304, encoder-internal 2048 S/R) + commutation position 11 bits |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
Applications
Motor use in a SINAMICS S120 drive setup.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD.
Incremental encoder 22 bits with DRIVE-CLiQ interface (ENCODER IC22DQ).
PN=1.4kW; UDC=600V; NN=4500rpm.
Naturally cooled, IM B5 (IM V1, IM V3), plain shaft, and without holding brake.
Degree of protection IP65 and DE flange IP67; electrical connectors for signals and power rotatable; connector size M23.
Active Product.
Frequently Asked Questions
What is the exact Siemens order number for this motor?
1FK7044-4CH71-1DG2.
What are the key power and speed ratings?
PN=1.4kW, UDC=600V, and NN=4500rpm.
Which encoder and interface are supplied?
Incremental encoder 22 bits with DRIVE-CLiQ interface (ENCODER IC22DQ).
What protection and cooling details are provided?
Natural cooling, degree of protection IP65, and DE flange IP67.
What lifecycle status is supplied?
Active Product.
