Technical Summary
| Product type | Permanent-magnet synchronous motor |
|---|---|
| Variant | 1FK7-HD |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Static torque (100 K) | 4.50 Nm |
| Rated current | 3.5 A |
| Rated inverter current | 5 A |
| Degree of protection | IP65 |
| Cooling | Natural cooling |
| Encoder system | Encoder AS20DQI: absolute encoder single-turn 20 bits |
| Holding brake | with holding brake |
| Connector size | M23 |
Applications
Motor use with SINAMICS S120 as identified in the product category path.
Key Features
1FK7-HD synchronous motor with PN=1.2kW, UDC=600V, M0=4.5Nm (100K), and NN=3000rpm.
Encoder AS20DQI, absolute encoder single-turn 20 bits, with DRIVE-CLiQ interface.
with holding brake and permanent-magnet brake, holding torque 4.0 Nm, DC 24 V ± 10 % supply.
Degree of protection IP65 with natural cooling.
FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, plain shaft, tolerance N.
Active Product lifecycle designation for this exact order number.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1QH1?
It is a SIMOTICS S synchronous motor, type 1FK7-HD.
What are the main power and speed ratings of 1FK7044-4CF71-1QH1?
Optimum power is 1.2 kW and rated speed (100 K) is 3,000 rpm.
Which encoder and interface are on 1FK7044-4CF71-1QH1?
It uses Encoder AS20DQI: absolute encoder single-turn 20 bits with DRIVE-CLiQ interface.
What protection and cooling does 1FK7044-4CF71-1QH1 have?
Degree of protection is IP65 and cooling is natural cooling.
Does 1FK7044-4CF71-1QH1 include a brake?
Yes. It has a holding brake, with holding torque 4.0 Nm and power supply voltage DC 24 V ± 10 %.
