Technical Summary
| Product designation | 1FK7044-4CF71-1RH1 |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| Motor type variant | High Dynamic |
| Optimum power | 1.2 kW |
| UDC | 600V |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Rated current | 3.5 A |
| Degree of protection | IP65 |
| Cooling | Natural cooling |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Electrical connectors | Connectors for signals and power rotatable |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Holding brake version | Permanent-magnet brake |
| Holding torque | 4.0 Nm |
| Power supply voltage | DC 24 V ± 10 % |
Applications
Used as a synchronous motor for rotary motion in SINAMICS S120 applications.
Supports maintaining shaft position with the holding brake.
Key Features
1FK7-HD motor with PM synchronous design and High Dynamic execution.
POWER CONNECTOR ROTATABLE, ABSOLUTE ENCODER 20 BIT + 12 BIT MULTITURN WITH DRIVE-CLiQ INTERFACE (ENCODER AM20DQI).
FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, plain shaft, tolerance N, and connector size M23.
Naturally cooled with degree of protection IP65.
with holding brake; Holding torque 4.0 Nm; Power supply voltage DC 24 V ± 10 %.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1RH1?
It is a SIMOTICS S synchronous motor, 1FK7-HD, with Active Product lifecycle status.
What are the key electrical ratings of 1FK7044-4CF71-1RH1?
PN=1.2kW, UDC=600V, rated speed 3,000 rpm, rated torque 3.7 Nm, and rated current 3.5 A.
Which encoder and interface does 1FK7044-4CF71-1RH1 have?
It has an Encoder AM20DQI with an absolute encoder 20 bits + 12 bits multi-turn and a DRIVE-CLiQ interface.
What installation and protection details are listed for 1FK7044-4CF71-1RH1?
It has FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, connector size M23, rotatable signal and power connectors, natural cooling, and IP65.
Does 1FK7044-4CF71-1RH1 include a holding brake?
Yes. It is supplied with a holding brake, holding torque 4.0 Nm, and power supply voltage DC 24 V ± 10 %.
