Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor, 1FK7-HD |
|---|---|
| Power rating | PN=1.4kW |
| DC link voltage | UDC=600V |
| Torque | M0=4.5Nm (100K) |
| Speed | NN=4500rpm |
| Cooling | Naturally cooled |
| Mounting | FRAME SIZE IMB 5 (IM V1, IM V3); FLANGE 1 |
| Feedback | RESOLVER multi-pole (RESOLVER P=3) |
| Temperature sensor | KTY TEMPERATURESENSOR |
| Power connection | POWER CONNECTOR rotatable |
| Shaft | Plain shaft, tolerance N |
| Protection and brake | Degree of protection IP65 DE flange IP67; without holding brake |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7-HD.
- Performance ratings: PN=1.4kW; M0=4.5Nm (100K); NN=4500rpm.
- DC link voltage: UDC=600V.
- Cooling and mounting: Naturally cooled; FRAME SIZE IMB 5 (IM V1, IM V3); FLANGE 1.
- Feedback and connector: POWER CONNECTOR rotatable; RESOLVER multi-pole (RESOLVER P=3); KTY TEMPERATURESENSOR.
- Shaft, brake, and protection: Plain shaft, tolerance N; without holding brake; Degree of protection IP65 DE flange IP67.
Frequently Asked Questions
What product does Siemens order number 1FK7044-4CH71-1SG2 identify?
It identifies a SIMOTICS S synchronous motor in the 1FK7-HD family.
Which ratings distinguish this exact motor variant?
PN=1.4kW, UDC=600V, M0=4.5Nm (100K), and NN=4500rpm.
What feedback, shaft, and brake details should be checked?
Check the multi-pole RESOLVER (RESOLVER P=3), plain shaft with tolerance N, and the absence of a holding brake.
What mounting, connection, cooling, and protection details identify the variant?
It has natural cooling, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, a rotatable POWER CONNECTOR, and Degree of protection IP65 DE flange IP67.
What information is needed to request a quotation?
Provide the required quantity and destination together with the complete order number.
