Key Features
- 1.2 kW output: PN=1.2kW and Optimum power 1.2 kW.
- 4,500 rpm speed: NN=4500rpm and Rated speed (100 K) 4,500 rpm.
- Absolute encoder AM20DQI: Absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface (encoder AM20DQI).
- Holding brake: with holding brake and Holding brake version Permanent-magnet brake.
- IP65 protection: Degree of protection IP65.
- Natural cooling: Naturally cooled.
Technical Summary
| Product designation | 1FK7043-4CH71-1RB1 |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 4,500 rpm |
| Static torque (100 K) | 3.50 Nm |
| Maximum torque | 10.0 Nm |
| Degree of protection | IP65 |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Holding brake | with holding brake |
| Power supply voltage | DC 24 V ± 10 % |
| Connector size | M23 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Applications
- SINAMICS S120 drive integration: Servomotor for use with SINAMICS S120.
Frequently Asked Questions
What is Siemens 1FK7043-4CH71-1RB1?
It is a SIMOTICS S synchronous motor.
What speed and power are specified for this motor?
PN=1.2kW, Optimum power 1.2 kW, NN=4500rpm, and Rated speed (100 K) 4,500 rpm.
Which feedback system is included with 1FK7043-4CH71-1RB1?
It includes an absolute encoder AM20DQI with DRIVE-CLiQ interface.
What electrical and mechanical details should be checked before ordering?
Check UDC=600V, M0=3.5Nm (100K), holding brake details, Connector size M23, and the IM B5 (IM V1, IM V3) mounting design.
