Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Rated power | PN=1.2kW |
| DC-link voltage | UDC=600V |
| Standstill torque | M0=3.5Nm (100K) |
| Rated speed | NN=4500rpm |
| Cooling | Naturally cooled |
| Frame size and mounting | IMB 5 (IM V1, IM V3), flange 1 |
| Encoder | Incremental SIN/COS 1VPP, 2048 S/R |
| Temperature sensor | KTY |
| Shaft | Fitted key, tolerance N |
| Connector | Rotatable power connector |
| Protection | IP65 DE flange, IP67 |
Key Features
- Motor designation: SIMOTICS S synchronous motor 1FK7-HD.
- Rated motor data: PN=1.2kW; UDC=600V; M0=3.5Nm (100K); NN=4500rpm.
- Cooling and mounting: Naturally cooled; frame size IMB 5 (IM V1, IM V3); flange 1.
- Feedback and temperature sensing: Incremental encoder SIN/COS 1VPP; 2048 S/R; with KTY temperature sensor.
- Shaft and connection: Shaft with fitted key, tolerance N; rotatable power connector; C- and D-spur (encoder IC2048S/R).
- Brake and protection: With holding brake; degree of protection IP65 at the DE flange and IP67.
Frequently Asked Questions
What motor ratings identify Siemens 1FK7043-4CH71-1AB2?
PN=1.2kW, UDC=600V, M0=3.5Nm (100K), and NN=4500rpm.
Which feedback and temperature-sensing equipment does this motor have?
It has an incremental SIN/COS 1VPP encoder with 2048 S/R and a KTY temperature sensor.
What shaft and connector details should be checked?
Check the shaft with fitted key and tolerance N, plus the rotatable power connector and C- and D-spur (encoder IC2048S/R).
Which cooling, mounting, and protection details identify the variant?
It is naturally cooled, uses frame size IMB 5 (IM V1, IM V3) with flange 1, and has IP65 at the DE flange and IP67.
