Technical Summary
| Product designation | 1FK7044-4CH71-1PA1 |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| Motor design | High Dynamic |
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Static torque (100 K) | 4.50 Nm |
| Rated current | 3.9 A |
| Maximum torque | 13.0 Nm |
| Cooling | Natural cooling |
| Degree of protection | IP65 |
| Encoder system | Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole) |
Key Features
High Dynamic synchronous motor
Permanent-magnet synchronous motor with High Dynamic design.
Permanent-magnet synchronous motor with High Dynamic design.
Resolver feedback
Resolver system: Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole).
Resolver system: Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole).
Natural cooling and IP65
Cooling: Natural cooling. Degree of protection: IP65.
Cooling: Natural cooling. Degree of protection: IP65.
Rotatable connectors
Electrical connectors for signals and power rotatable. Connector size: M23.
Electrical connectors for signals and power rotatable. Connector size: M23.
No holding brake
Holding brake: without holding brake.
Holding brake: without holding brake.
Feather key shaft end
Shaft end: Feather key.
Shaft end: Feather key.
Applications
SINAMICS S120 servo-drive integration
Motor for use in 1FK7 servomotors for SINAMICS S120.
Motor for use in 1FK7 servomotors for SINAMICS S120.
Frequently Asked Questions
What is the exact Siemens model number of this SIMOTICS S motor?
The exact model number is 1FK7044-4CH71-1PA1.
What feedback system does 1FK7044-4CH71-1PA1 use?
It uses Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole).
What are the rated speed and rated torque for this motor?
Rated speed (100 K) is 4,500 rpm and rated torque (100 K) is 3.0 Nm.
What electrical and protection details are listed for this motor?
Rated current is 3.9 A, cooling is Natural cooling, and degree of protection is IP65.
