Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| 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 speed | 9,000 rpm |
| 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 |
| Connector size | M23 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Shaft end | Feather key |
| Holding brake | without holding brake |
Key Features
SIMOTICS S synchronous motor
Permanent-magnet synchronous motor, High Dynamic.
Permanent-magnet synchronous motor, High Dynamic.
Power and speed data
PN=1.2kW; UDC=600V; NN=4500rpm.
PN=1.2kW; UDC=600V; NN=4500rpm.
Encoder system
ABSOLUTE ENCODER 20 BIT + 12 BIT MULTITURN WITH DRIVE-CLIQ INTERFACE (ENCODER AM20DQI).
ABSOLUTE ENCODER 20 BIT + 12 BIT MULTITURN WITH DRIVE-CLIQ INTERFACE (ENCODER AM20DQI).
Mechanical configuration
FRAME SIZE IMB 5 (IM V1, IM V3) with FLANGE 1, shaft with fitted key, tolerance N.
FRAME SIZE IMB 5 (IM V1, IM V3) with FLANGE 1, shaft with fitted key, tolerance N.
Protection and cooling
Degree of protection IP65 with Natural cooling.
Degree of protection IP65 with Natural cooling.
Connection and brake details
POWER CONNECTOR ROTATABLE, connector size M23, and without holding brake.
POWER CONNECTOR ROTATABLE, connector size M23, and without holding brake.
Applications
SINAMICS S120 drive integration
Motor use in SINAMICS S120 drive setups.
Motor use in SINAMICS S120 drive setups.
Frequently Asked Questions
What is Siemens 1FK7043-4CH71-1RA1?
It is a SIMOTICS S synchronous motor.
What are the key power and speed ratings of 1FK7043-4CH71-1RA1?
PN=1.2kW, UDC=600V, and NN=4500rpm.
Which encoder does 1FK7043-4CH71-1RA1 use?
It uses Encoder AM20DQI with DRIVE-CLIQ interface, 20 bit absolute and 12 bit multi-turn.
What mounting and protection details are listed for this motor?
It has FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, and degree of protection IP65.
