Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor, 1FK7-HD |
|---|---|
| Rated power | PN=0.94kW |
| DC voltage | UDC=300V |
| Rated speed | NN=3000rpm |
| Feedback | 2-pole resolver (RESOLVER P=1) |
| Cooling | Naturally cooled |
| Mounting | Frame size IMB 5 (IM V1, IM V3), flange 1 |
| Shaft | Fitted key, tolerance N |
| Power connection | Rotatable power connector |
| Protection | IP65 at the DE flange; IP67 |
| Holding brake | Without holding brake |
| Lifecycle | Product cancellation |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7-HD.
- Motor ratings: PN=0.94kW; UDC=300V; NN=3000rpm.
- Feedback: 2-pole resolver (RESOLVER P=1).
- Connection and cooling: Power connector rotatable; naturally cooled; KTY temperature sensor.
- Mounting and shaft: Frame size IMB 5 (IM V1, IM V3), flange 1; shaft with fitted key, tolerance N.
- Protection and brake: Degree of protection IP65 at the DE flange and IP67; without holding brake.
Frequently Asked Questions
What product does Siemens order number 1FK7043-4CF21-1TA2 identify?
It identifies a SIMOTICS S synchronous motor in the 1FK7-HD family.
Which ratings distinguish this exact motor variant?
The supplied ratings are PN=0.94kW, UDC=300V, and NN=3000rpm.
What feedback and connection details should be checked?
Check the 2-pole resolver (RESOLVER P=1), the KTY temperature sensor, and the rotatable power connector.
Does this configuration include a holding brake?
It is without holding brake.
