Product Overview
Technical Summary
| Product family | SIMOTICS S synchronous motor, 1FK7-HD |
|---|---|
| Rated power | PN=0.38kW |
| DC link voltage | UDC=300V |
| Rated speed | NN=3000rpm |
| Feedback | 2-pole resolver (RESOLVER P=1) |
| Brake | Holding brake |
| Shaft | Plain shaft, tolerance N |
| Mounting | Frame size IMB 5 (IM V1, IM V3), flange 1 |
| Cooling | Naturally cooled |
| Connector | Power connector rotatable |
| Protection | IP64 |
| Lifecycle | Product cancellation |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7-HD.
- Performance ratings: PN=0.38kW; UDC=300V; NN=3000rpm.
- Feedback: 2-pole resolver (RESOLVER P=1).
- Connection and brake: Power connector is rotatable; the motor has a holding brake.
- Mechanical configuration: Plain shaft with tolerance N; flange 1; frame size IMB 5 (IM V1, IM V3).
- Cooling and protection: Naturally cooled; degree of protection IP64; KTY temperature sensor.
Frequently Asked Questions
What product does Siemens order number 1FK7033-4CF21-1TH0 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=0.38kW, UDC=300V, and NN=3000rpm.
What feedback and brake configuration should be checked?
Check for a 2-pole resolver (RESOLVER P=1) and a holding brake.
Which mechanical and connection details should be verified?
Verify the plain shaft with tolerance N, flange 1, frame size IMB 5 (IM V1, IM V3), and rotatable power connector.
