Technical Summary
| Product designation | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Lifecycle | Active Product |
| Optimum power | 1.4 kW |
| UDC | 600V |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Number of poles | 6 |
| Rated current | 3.9 A |
| Encoder system | Encoder AM22DQ: absolute encoder 22 bits (resolution 4194304, encoder-internal 2048 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Connector size | M23 |
| Electrical connectors | Connectors for signals and power rotatable |
| Degree of protection | IP65 |
| Holding brake | without holding brake |
Applications
Servomotor use in SINAMICS S120 drive setups.
Key Features
SIMOTICS S Synchronous motor 1FK7-HD with order number 1FK7044-4CH71-1FA1.
PN=1.4kW and UDC=600V.
Absolute encoder 22BIT + 12 BIT MULTITURN, WITH DRIVE-CLIQ INTERFACE (ENCODER AM22DQ).
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, power connector rotatable, shaft with fitted key, tolerance N.
Degree of protection IP65 and without holding brake.
Active Product.
Frequently Asked Questions
What is the exact Siemens order number and motor type?
1FK7044-4CH71-1FA1, SIMOTICS S Synchronous motor 1FK7-HD.
What are the main electrical ratings of this motor?
PN=1.4kW, UDC=600V, and Rated current 3.9 A.
What encoder is fitted to this motor?
Encoder AM22DQ: absolute encoder 22 bits + 12 bits multi-turn with DRIVE-CLIQ interface.
What connector and protection details are specified?
Connector size M23, rotatable connectors for signals and power, and Degree of protection IP65.
What is the product lifecycle status?
Active Product.
