Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Static torque (100 K) | 4.50 Nm |
| Rated current | 3.9 A |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Encoder system | Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole) |
| Holding brake power supply voltage | DC 24 V ± 10 % |
Applications
Motor use for SINAMICS S120 integration.
Holding brake for retaining the load when required.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD with Active Product lifecycle.
PN=1.4kW; UDC=600V; M0=4.5Nm (100K); NN=4500rpm.
Naturally cooled; FRAME SIZE IMB 5 (IM V1, IM V3).
RESOLVER 2-POLE, WITH DRIVE CLIQ-INTERFACE.
Degree of protection IP65 DE flange IP67; with holding brake.
POWER CONNECTOR ROTATABLE; connector size M23.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1PB2?
A SIMOTICS S Synchronous motor with Active Product lifecycle.
What are the main power and speed ratings for 1FK7044-4CH71-1PB2?
PN=1.4kW, rated speed (100 K) 4,500 rpm, and static torque (100 K) 4.50 Nm.
What encoder and interface does this motor use?
Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole) with DRIVE CLiQ-interface.
What mounting and protection details are specified for 1FK7044-4CH71-1PB2?
FRAME SIZE IMB 5 (IM V1, IM V3) with degree of protection IP65 and DE flange IP67.
What connector size and brake supply are specified?
Connector size M23 and holding brake power supply voltage DC 24 V ± 10 %.
