Technical Summary
| Product type | Permanent-magnet synchronous motor |
|---|---|
| Series | SIMOTICS S Synchronous motor 1FK7-HD |
| Optimum power | 1.2 kW |
| Static torque (100 K) | 3.50 Nm |
| Rated speed (100 K) | 4,500 rpm |
| Maximum torque | 10.0 Nm |
| Maximum current | 12.5 A |
| 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 |
| Connector size | M23 |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Shaft end | Feather key |
| Holding brake | without holding brake |
Key Features
Permanent-magnet synchronous motor with High Dynamic design.
PN=1.2kW; M0=3.5Nm (100K); NN=4500rpm.
Absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLiQ interface (encoder AM20DQI).
Connectors for signals and power rotatable; connector size M23; design acc. to Code I IM B5 (IM V1, IM V3).
Shaft with fitted key, tolerance N; without holding brake.
Natural cooling and degree of protection IP64.
Applications
Motor operation in SINAMICS S120 drive systems.
Frequently Asked Questions
What is the exact product designation of 1FK7043-4CH71-1RA0?
It is a SIMOTICS S synchronous motor 1FK7-HD.
What are the key power and torque values for this motor?
PN=1.2kW; M0=3.5Nm (100K); NN=4500rpm.
Which encoder is built into 1FK7043-4CH71-1RA0?
It uses an absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLiQ interface (encoder AM20DQI).
What are the cooling method and protection rating?
Cooling is natural cooling and the degree of protection is IP64.
What mechanical configuration details are listed for the motor?
The motor has a shaft with fitted key, tolerance N, connector size M23, rotatable connectors for signals and power, and no holding brake.
