Technical Summary
| Product type | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Series | 1FK7 servomotors for SINAMICS S120 |
| Rated power | PN=0.94kW |
| Rated voltage | UDC=300V |
| Rated torque | M0=3. 3Nm (100K) |
| Rated speed | NN=3000rpm |
| Cooling | Naturally cooled |
| Design | IM B5 (IM V1, IM V3) |
| 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 |
| Holding brake | with holding brake |
Key Features
1FK7-HD synchronous motor for motion control use in the Siemens drive technology range.
Absolute encoder AM20DQI with 20 bits plus 12 bits multi-turn and DRIVE-CLiQ interface.
Electrical connectors for signals and power rotatable, with connector size M23.
Supplied with holding brake and permanent-magnet brake version.
Degree of protection: IP65.
Product lifecycle: Active Product.
Frequently Asked Questions
What is Siemens 1FK7043-4CF21-1RH1?
It is a SIMOTICS S synchronous motor 1FK7-HD.
What encoder does 1FK7043-4CF21-1RH1 use?
It uses Encoder AM20DQI with DRIVE-CLiQ interface, 20 bits absolute encoding, and 12 bits multi-turn.
What are the main electrical ratings of 1FK7043-4CF21-1RH1?
The listed ratings include PN=0.94kW, UDC=300V, M0=3. 3Nm (100K), and NN=3000rpm.
What connector and protection details are listed for 1FK7043-4CF21-1RH1?
It has connector size M23, rotatable electrical connectors for signals and power, and degree of protection IP65.
