Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| Series / variant | 1FK7-HD |
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Maximum torque | 13.0 Nm |
| Rated current | 3.9 A |
| Degree of protection | IP64 |
| Cooling | Natural cooling |
| 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 | with holding brake |
Key Features
SIMOTICS S synchronous motor
Product type: SIMOTICS S Synchronous motor 1FK7-HD.
Product type: SIMOTICS S Synchronous motor 1FK7-HD.
Optimum power
Optimum power: 1.4 kW.
Optimum power: 1.4 kW.
Encoder system
Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
Holding brake
with holding brake.
with holding brake.
Protection and cooling
Degree of protection IP64 and natural cooling.
Degree of protection IP64 and natural cooling.
Mechanical connection details
Connector size M23, electrical connectors for signals and power rotatable, shaft with fitted key, tolerance N.
Connector size M23, electrical connectors for signals and power rotatable, shaft with fitted key, tolerance N.
Applications
Motion control with SINAMICS S120
Servomotor use in SINAMICS S120 drive systems.
Servomotor use in SINAMICS S120 drive systems.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1RB0?
It is a SIMOTICS S synchronous motor in the 1FK7 servomotor family.
What encoder does 1FK7044-4CH71-1RB0 use?
It uses encoder AM20DQI with an absolute encoder 20 bits and 12 bits multi-turn with DRIVE-CLiQ interface.
What are the key performance ratings of 1FK7044-4CH71-1RB0?
Optimum power is 1.4 kW, rated speed (100 K) is 4,500 rpm, and rated torque (100 K) is 3.0 Nm.
What installation and protection details are listed for this motor?
It has natural cooling, IM B5 (IM V1, IM V3) design, IP64 degree of protection, and rotatable electrical connectors for signals and power.
