Technical Summary
| Product designation | 1FK7044-4CH71-1RA2 |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| Motor type variant | High Dynamic |
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Rated current | 3.9 A |
| Maximum torque | 13.0 Nm |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Degree of protection | IP65 and DE flange IP67 |
| Connector size | M23 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Key Features
Motor type: Permanent-magnet synchronous motor.
Motor type: High Dynamic.
Optimum power: 1.4 kW.
Rated speed (100 K): 4,500 rpm.
Encoder system: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
Degree of protection: IP65 and DE flange IP67. Cooling: Natural cooling.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1RA2?
It is a SIMOTICS S synchronous motor in the 1FK7 servomotors for SINAMICS S120 range.
What are the power and speed ratings of 1FK7044-4CH71-1RA2?
Optimum power is 1.4 kW, rated speed (100 K) is 4,500 rpm, and rated torque (100 K) is 3.0 Nm.
Which encoder is used on 1FK7044-4CH71-1RA2?
It uses an Encoder AM20DQI with absolute encoder 20 bits and 12 bits multi-turn, with DRIVE-CLiQ interface.
What are the protection and cooling details for 1FK7044-4CH71-1RA2?
Degree of protection is IP65 and DE flange IP67, and cooling is natural cooling.
