Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Rated power | PN=1.4kW |
| DC-link voltage | UDC=600V |
| Initial torque | M0=4.5Nm (100K) |
| Rated speed | NN=4500rpm |
| Cooling | Naturally cooled |
| Mounting | Frame size IMB 5 (IM V1, IM V3), flange 1 |
| Feedback | Absolute encoder 2048 S/R + 4096 revolutions multiturn |
| Interface | EnDat interface |
| Power connection | Rotatable power connector |
| Shaft | Fitted key, tolerance N |
| Protection | IP65; without holding brake |
Key Features
- Motor designation: SIMOTICS S synchronous motor, 1FK7-HD.
- Rated power and voltage: PN=1.4kW; UDC=600V.
- Torque and speed: M0=4.5Nm (100K); NN=4500rpm.
- Encoder feedback: Absolute encoder, 2048 S/R + 4096 revolutions multiturn, with EnDat interface; encoder AM2048S/R.
- Mounting and cooling: Naturally cooled; frame size IMB 5 (IM V1, IM V3), flange 1.
- Connection, shaft and protection: Rotatable power connector; shaft with fitted key, tolerance N; without holding brake; IP65 protection.
Frequently Asked Questions
What product does Siemens order number 1FK7044-4CH71-1EA1 identify?
It identifies a SIMOTICS S 1FK7-HD synchronous motor.
Which ratings distinguish this exact motor variant?
PN=1.4kW, UDC=600V, M0=4.5Nm (100K), and NN=4500rpm.
Which encoder and connection details should be checked?
Check the absolute encoder with 2048 S/R + 4096 revolutions multiturn, EnDat interface, AM2048S/R encoder, and rotatable power connector.
What mechanical and protection details should be verified?
Verify naturally cooled construction, frame size IMB 5 (IM V1, IM V3), flange 1, fitted-key shaft with tolerance N, no holding brake, and IP65 protection.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number 1FK7044-4CH71-1EA1.
