Technical Summary
| Product designation | 1FK7044-4CH71-1UA2 |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| Product family | SIMOTICS S Synchronous motor 1FK7-HD |
| Optimum power | 1.4 kW |
| Rated current | 3.9 A |
| Rated speed (100 K) | 4,500 rpm |
| Static torque (100 K) | 4.50 Nm |
| Maximum torque | 13.0 Nm |
| Max. permissible speed (mech.) | 9,000 rpm |
| Connector size | M23 |
| Electrical connectors | Connectors for signals and power rotatable |
| Encoder system | Resolver R15DQ: resolver 15 bits (resolution 32768, internal multi- pole) |
| Degree of protection | IP65 and DE flange IP67 |
Applications
Motor use for SINAMICS S120 drive-system integration.
Use in rotary motion applications requiring a synchronous motor with resolver feedback and DRIVE-CLiQ connection.
Key Features
1FK7-HD synchronous motor for drive technology use.
Includes a DRIVE-CLiQ interface with resolver multi-pole feedback.
Power and signal connectors are rotatable; connector size: M23.
Naturally cooled motor design.
Degree of protection: IP65 and DE flange IP67; design acc. to Code I: IM B5 (IM V1, IM V3).
Product lifecycle: Active Product.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1UA2?
It is a SIMOTICS S synchronous motor from the 1FK7 family.
What interface and feedback does this motor have?
It has a DRIVE-CLiQ interface and a Resolver R15DQ encoder system with 15 bits resolution 32768, internal multi-pole.
What are the main electrical and speed ratings?
Optimum power is 1.4 kW, rated current is 3.9 A, and rated speed (100 K) is 4,500 rpm.
What protection and mounting details are specified?
Degree of protection is IP65 and DE flange IP67, and the design acc. to Code I is IM B5 (IM V1, IM V3).
Does this motor include a holding brake?
It is supplied without holding brake.
