Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| Series | 1FK7 servomotors for SINAMICS S120 |
| Motor type | Permanent-magnet synchronous motor |
| Motor design | High Dynamic |
| PN | PN=0.94kW |
| UDC | UDC=300V |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Number of poles | 6 |
| Encoder system | Encoder AS20DQI: absolute encoder single-turn 20 bits |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
Key Features
SIMOTICS S synchronous motor
Permanent-magnet synchronous motor with High Dynamic design.
Permanent-magnet synchronous motor with High Dynamic design.
Rated performance
PN=0.94kW, UDC=300V, and NN=3000rpm.
PN=0.94kW, UDC=300V, and NN=3000rpm.
Feedback system
Absolute encoder single-turn 20 bits with DRIVE-CLiQ interface (ENCODER AS20DQI).
Absolute encoder single-turn 20 bits with DRIVE-CLiQ interface (ENCODER AS20DQI).
Mechanical configuration
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), with flange 1.
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), with flange 1.
Protection and connections
Degree of protection IP65 and DE flange IP67, with power connector rotatable.
Degree of protection IP65 and DE flange IP67, with power connector rotatable.
Brake and shaft details
With holding brake and shaft with fitted key, tolerance N.
With holding brake and shaft with fitted key, tolerance N.
Applications
SINAMICS S120 drive integration
Servomotor use in SINAMICS S120 drive systems.
Servomotor use in SINAMICS S120 drive systems.
Frequently Asked Questions
What is Siemens 1FK7043-4CF21-1QB2?
It is a SIMOTICS S synchronous motor in the 1FK7 servomotors for SINAMICS S120.
What are the key electrical ratings of 1FK7043-4CF21-1QB2?
PN=0.94kW, UDC=300V, rated current 3.7 A, and rated speed (100 K) 3,000 rpm.
Which feedback system does 1FK7043-4CF21-1QB2 use?
It uses Encoder AS20DQI: absolute encoder single-turn 20 bits with DRIVE-CLiQ interface.
What are the protection and cooling details of 1FK7043-4CF21-1QB2?
It has natural cooling, degree of protection IP65, and DE flange IP67.
Does 1FK7043-4CF21-1QB2 include a holding brake and what is the shaft design?
Yes. It is supplied with a holding brake and a shaft with fitted key, tolerance N.
