Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Rated power | PN=0.94kW |
| Supply voltage | UDC=300V |
| Rated speed | NN=3000rpm |
| Cooling | Naturally cooled |
| Frame size and mounting | IMB 5 (IM V1, IM V3), flange 1 |
| Encoder | Absolute encoder AM2048S/R, 2048 S/R + 4096 revolutions multiturn |
| Encoder interface | ENDAT |
| Temperature sensor | KTY |
| Power connector | Rotatable |
| Shaft | Fitted key, tolerance N |
| Protection | IP64 |
Key Features
- Product designation: SIMOTICS S synchronous motor 1FK7-HD.
- Rated values: PN=0.94kW; UDC=300V; NN=3000rpm.
- Cooling and mounting: Naturally cooled; frame size IMB 5 (IM V1, IM V3); flange 1.
- Encoder feedback: Absolute encoder, 2048 S/R + 4096 revolutions multiturn, with ENDAT interface; encoder AM2048S/R.
- Connections: KTY temperature sensor and rotatable power connector.
- Shaft and protection: Shaft with fitted key, tolerance N; without holding brake; degree of protection IP64.
Frequently Asked Questions
What product does Siemens order number 1FK7043-4CF21-1EA0 identify?
It identifies a SIMOTICS S synchronous motor 1FK7-HD.
Which ratings distinguish this exact motor variant?
PN=0.94kW, UDC=300V, and NN=3000rpm.
Which encoder and connection details should be checked?
Check the absolute AM2048S/R encoder with 2048 S/R + 4096 revolutions multiturn capability, ENDAT interface, KTY temperature sensor, and rotatable power connector.
What mechanical and protection details should be verified?
Verify natural cooling, frame size IMB 5 (IM V1, IM V3), flange 1, the fitted-key shaft with tolerance N, no holding brake, and IP64 protection.
