Technical Summary
| Product designation | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| 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 |
| Max. permissible speed (mech.) | 9,000 rpm |
| Degree of protection | IP65 and DE flange IP67 |
| Encoder system | Resolver R15DQ: resolver 15 bits (resolution 32768, internal multi-pole) |
| Connector size | M23 |
| Cooling | Natural cooling |
Applications
Servomotor for SINAMICS S120 integration.
Key Features
Motor type: Permanent-magnet synchronous motor.
PN=1.4kW; NN=4500rpm; M0=4.5Nm (100K).
Encoder system: Resolver R15DQ, internal multi-pole, with DRIVE-CLiQ interface.
Design acc. to Code I: IM B5 (IM V1, IM V3); cooling: Natural cooling.
Degree of protection: IP65 and DE flange IP67; connector size: M23; electrical connectors for signals and power rotatable.
Shaft end: Feather key; with holding brake; shaft height: 48.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1UB2?
It is a SIMOTICS S synchronous motor, 1FK7-HD.
What are the main electrical and speed ratings of 1FK7044-4CH71-1UB2?
PN=1.4kW, UDC=600V, M0=4.5Nm (100K), and NN=4500rpm.
Which interface and connector details are listed for 1FK7044-4CH71-1UB2?
It has a DRIVE-CLiQ interface, connector size M23, and rotatable electrical connectors for signals and power.
What lifecycle status is given for 1FK7044-4CH71-1UB2?
Active Product.
