Technical Summary
| Product designation | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| PN | 1.2kW |
| UDC | 600V |
| M0 | 3.5Nm |
| NN | 4500rpm |
| Rated speed (100 K) | 4,500 rpm |
| Static torque (100 K) | 3.50 Nm |
| Degree of protection | IP65 |
| Cooling | Natural cooling |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Electrical connectors | Connectors for signals and power rotatable |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Applications
Motor use in SINAMICS S120 drive systems.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD.
PN=1.2kW, UDC=600V, M0=3.5Nm (100K), and NN=4500rpm.
Absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLiQ interface, ENCODER AM20DQI, with signals and power rotatable.
Naturally cooled with degree of protection IP65.
FRAME SIZE IMB 5 (IM V1, IM V3), shaft with fitted key, tolerance N, and with holding brake.
Active Product.
Frequently Asked Questions
What is the exact Siemens model and product type?
1FK7043-4CH71-1RB1 is a SIMOTICS S Synchronous motor 1FK7-HD.
What are the main power and speed ratings?
PN=1.2kW and NN=4500rpm. Rated speed (100 K) is 4,500 rpm.
What encoder and interface does this motor use?
It uses Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
What protection and cooling details are supplied for this motor?
It has degree of protection IP65 and natural cooling.
What lifecycle status is listed for 1FK7043-4CH71-1RB1?
Active Product.
