Technical Summary
| Product family | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Power | PN=1.4kW |
| DC link voltage | UDC=600V |
| Rated torque | M0=4.5Nm (100K) |
| Rated speed | NN=4500rpm |
| Cooling | Naturally cooled |
| Frame size | FRAME SIZE IMB 5 (IM V1, IM V3) |
| Connector arrangement | POWER CONNECTOR ROTATABLE |
| Feedback | RESOLVER 2-POLE, WITH DRIVE CLIQ-INTERFACE |
| Shaft | shaft with fitted key, tolerance N |
| Holding brake | without holding brake |
| Degree of protection | IP65 DE flange IP67 |
Key Features
SIMOTICS S synchronous motor
1FK7-HD synchronous motor for the SIMOTICS S servomotor range.
1FK7-HD synchronous motor for the SIMOTICS S servomotor range.
Power and torque ratings
PN=1.4kW, UDC=600V, and M0=4.5Nm (100K).
PN=1.4kW, UDC=600V, and M0=4.5Nm (100K).
Speed rating
NN=4500rpm.
NN=4500rpm.
Natural cooling
Naturally cooled design.
Naturally cooled design.
Feedback and interface
Resolver 2-pole, with DRIVE-CLiQ-interface.
Resolver 2-pole, with DRIVE-CLiQ-interface.
Protection and mechanics
Degree of protection IP65, DE flange IP67, shaft with fitted key, tolerance N, and without holding brake.
Degree of protection IP65, DE flange IP67, shaft with fitted key, tolerance N, and without holding brake.
Applications
SINAMICS S120 motion-control drive
Servomotor for use with SINAMICS S120.
Servomotor for use with SINAMICS S120.
Frequently Asked Questions
What is the exact Siemens model number of this SIMOTICS S motor?
The exact model number is 1FK7044-4CH71-1PA2.
What are the main rating values for 1FK7044-4CH71-1PA2?
PN=1.4kW, UDC=600V, M0=4.5Nm (100K), and NN=4500rpm.
Which feedback interface does this motor use?
It uses a resolver 2-pole, with DRIVE-CLiQ-interface.
What protection rating and cooling arrangement does this motor have?
It has natural cooling, degree of protection IP65, and DE flange IP67.
