Technical Summary
| Motor type | Permanent-magnet synchronous motor |
|---|---|
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Maximum torque | 13.0 Nm |
| Rated current | 3.5 A |
| Number of poles | 6 |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
| Encoder system | Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole) |
| Electrical connectors | Connectors for signals and power rotatable |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Key Features
Permanent-magnet synchronous motor.
1.2 kW.
3,000 rpm.
Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole).
Connectors for signals and power rotatable.
IP65 and DE flange IP67.
Applications
Motor for SINAMICS S120 systems.
Holding brake for retaining torque when the motor is not energized.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1PB2?
It is a SIMOTICS S synchronous motor.
What are the main performance values of 1FK7044-4CF71-1PB2?
It has 1.2 kW optimum power, 3,000 rpm rated speed, and 3.7 Nm rated torque (100 K).
Which feedback and connector details does 1FK7044-4CF71-1PB2 have?
It uses Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole) and has M23 connectors for signals and power that are rotatable.
What protection and cooling are specified for 1FK7044-4CF71-1PB2?
It has natural cooling and degree of protection IP65 and DE flange IP67.
What holding brake data is listed for 1FK7044-4CF71-1PB2?
The motor has a permanent-magnet brake with 4.0 Nm holding torque, DC 24 V ± 10 % power supply voltage, 0.5 A coil current, 70 ms opening time, and 30 ms closing time.
