Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Rated power | PN=1.4 kW |
| Supply voltage | UDC=600 V |
| Torque | M0=4.5 Nm (100 K) |
| Speed | NN=4500 rpm |
| Feedback | Multi-pole resolver (resolver P=3) |
| Temperature sensor | KTY |
| Cooling | Naturally cooled |
| Mounting | Frame size IMB 5 (IM V1, IM V3), flange 1 |
| Shaft | Fitted key, tolerance N |
| Protection | IP65; without holding brake |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7-HD.
- Rated motor data: PN=1.4 kW; UDC=600 V; M0=4.5 Nm (100 K); NN=4500 rpm.
- Feedback and connection: Multi-pole resolver (resolver P=3) with a rotatable power connector and KTY temperature sensor.
- Mounting and cooling: Naturally cooled; frame size IMB 5 (IM V1, IM V3); flange 1.
- Shaft and brake: Shaft with fitted key, tolerance N; without holding brake.
- Protection and lifecycle: Degree of protection IP65; Product cancellation.
Frequently Asked Questions
What identifies Siemens order number 1FK7044-4CH71-1SA1?
It identifies a SIMOTICS S synchronous motor from the 1FK7-HD family with PN=1.4 kW, UDC=600 V, M0=4.5 Nm (100 K), and NN=4500 rpm.
Which feedback and connection details should be checked for this MLFB?
Check the multi-pole resolver (resolver P=3), KTY temperature sensor, and rotatable power connector.
Does this exact variant include a holding brake?
It is without a holding brake.
Which mounting, shaft, cooling, and protection details distinguish the variant?
It has natural cooling, frame size IMB 5 (IM V1, IM V3), flange 1, a shaft with fitted key and tolerance N, and IP65 protection.
