Key Features
- Power and speed rating: PN=1.4kW, UDC=600V, and NN=4500rpm.
- Feedback system: Absolute encoder single-turn 20 bits with DRIVE-CLiQ interface (ENCODER AS20DQI).
- Mechanical configuration: IMB 5 (IM V1, IM V3) with FLANGE 1 and shaft with fitted key, tolerance N.
- Protection and cooling: Degree of protection IP65 and DE flange IP67 with natural cooling.
- Holding brake: With holding brake and DC 24 V ± 10 % power supply voltage.
Technical Summary
| Product type | Permanent-magnet synchronous motor |
|---|---|
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Static torque (100 K) | 4.50 Nm |
| Rated current | 3.9 A |
| Maximum permissible speed (mech.) | 9,000 rpm |
| Encoder system | Encoder AS20DQI: absolute encoder single-turn 20 bits |
| Holding brake | with holding brake |
| Holding brake power supply voltage | DC 24 V ± 10 % |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
| Connector size | M23 |
Applications
- SINAMICS S120 drive integration: Servomotor for use with SINAMICS S120.
Frequently Asked Questions
What is the exact Siemens model of this motor?
The exact model is 1FK7044-4CH71-1QB2.
What are the main electrical and performance ratings of 1FK7044-4CH71-1QB2?
Key ratings include PN=1.4kW, UDC=600V, M0=4.5Nm (100K), and NN=4500rpm.
Which feedback system is included with 1FK7044-4CH71-1QB2?
It includes an absolute encoder single-turn 20 bits with DRIVE-CLiQ interface (ENCODER AS20DQI).
What mechanical and protection details should be checked before ordering 1FK7044-4CH71-1QB2?
Check IMB 5 (IM V1, IM V3), FLANGE 1, shaft with fitted key, tolerance N, natural cooling, and IP65 / IP67 protection details.
