Technical Summary
| Product designation | SIMOTICS S 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 |
| Max. permissible speed (mech.) | 9,000 rpm |
| Encoder system | Encoder AM22DQ: absolute encoder 22 bits (resolution 4194304, encoder-internal 2048 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Electrical connectors | Connectors for signals and power rotatable |
| Connector size | M23 |
| Degree of protection | IP65 and DE flange IP67 |
| Cooling | Natural cooling |
| Holding brake version | Permanent-magnet brake |
Applications
Used as a synchronous motor for drive technology applications in SINAMICS S120.
Key Features
1FK7043-4CH71-1FH2
SIMOTICS S synchronous motor; PN=1.2kW; UDC=600V; M0=3.5Nm (100K); NN=4500rpm
Absolute encoder 22BIT + 12 BIT MULTITURN, with DRIVE-CLIQ interface (ENCODER AM22DQ)
Naturally cooled; FRAME SIZE IMB 5 (IM V1, IM V3); FLANGE 1; plain shaft; with holding brake
Degree of protection IP65; DE flange IP67
Active Product
Frequently Asked Questions
What is Siemens 1FK7043-4CH71-1FH2?
It is a SIMOTICS S synchronous motor.
What are the main performance ratings of 1FK7043-4CH71-1FH2?
Key ratings include PN=1.2kW, UDC=600V, M0=3.5Nm (100K), NN=4500rpm, and rated speed (100 K) 4,500 rpm.
What encoder does 1FK7043-4CH71-1FH2 use?
It uses encoder AM22DQ: absolute encoder 22 bits + 12 bits multi-turn with DRIVE-CLIQ interface.
What protection and mounting details are listed for 1FK7043-4CH71-1FH2?
It has degree of protection IP65 and DE flange IP67, with FRAME SIZE IMB 5 (IM V1, IM V3) and FLANGE 1.
