Technical Summary
| Product designation | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Lifecycle | Active Product |
| Rated power | PN=0.94kW |
| DC link voltage | UDC=300V |
| Rated torque (100 K) | 3.0 Nm |
| Rated speed (100 K) | 3,000 rpm |
| Number of poles | 6 |
| Rated current | 3.7 A |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
| Connector size | M23 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Encoder system | Encoder IC22DQ: incremental encoder 22 bits (resolution 4194304, encoder-internal 2048 S/R) + commutation position 11 bits |
| Holding brake | with holding brake |
| Shaft end | Feather key |
Applications
Servomotor for integration with SINAMICS S120 drive systems.
Permanent-magnet synchronous motor for rotary motion with encoder feedback and holding brake.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD with High Dynamic motor type.
PN=0.94kW; UDC=300V; M0=3. 3Nm (100K); NN=3000rpm.
Incremental encoder 22 BIT WITH DRIVE-CLIQ INTERFACE (ENCODER IC22DQ).
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, POWER CONNECTOR ROTATABLE, shaft with fitted key, tolerance N.
Degree of protection IP64; with holding brake.
Active Product.
Frequently Asked Questions
What is the exact Siemens product model?
1FK7043-4CF21-1DB0, a SIMOTICS S synchronous motor.
What are the key electrical ratings of this motor?
PN=0.94kW, UDC=300V, M0=3. 3Nm (100K), and NN=3000rpm.
Which encoder and interface are specified?
An incremental encoder 22 BIT WITH DRIVE-CLIQ INTERFACE (ENCODER IC22DQ) is specified.
What installation and protection details are listed?
Natural cooling, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, POWER CONNECTOR ROTATABLE, connector size M23, and Degree of protection IP64.
