Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Order number | 1FK7044-4CF71-1QA2 |
| Rated power | 1.2 kW |
| Rated speed | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Encoder | Absolute Encoder AS20DQI, single-turn 20 bits, DRIVE-CLiQ interface |
| Mounting design | IM B5 (IM V1, IM V3) |
| Cooling | Natural cooling |
| Holding brake | without holding brake |
| Degree of protection | IP65 and DE flange IP67 |
| Electrical connectors | M23, signals and power, rotatable |
Key Features
- Motor designation: SIMOTICS S synchronous motor, 1FK7-HD, High Dynamic, permanent-magnet design.
- Performance: Rated power: 1.2 kW; rated speed: 3,000 rpm; rated torque: 3.7 Nm (100 K).
- Encoder feedback: Absolute Encoder AS20DQI, single-turn 20 bits, with DRIVE-CLiQ interface.
- Mechanical configuration: IM B5 (IM V1, IM V3) flange mounting, rotatable power connector, and shaft with fitted Feather key, tolerance N.
- Cooling and brake: Natural cooling; without holding brake.
- Protection and connection: Degree of protection: IP65 and DE flange IP67; M23 connectors for signals and power are rotatable.
Frequently Asked Questions
What product does Siemens order number 1FK7044-4CF71-1QA2 identify?
It identifies a SIMOTICS S 1FK7-HD permanent-magnet synchronous motor with 1.2 kW power and 3,000 rpm rated speed.
Which encoder and feedback interface does this variant have?
It has an absolute Encoder AS20DQI, single-turn 20 bits, with a DRIVE-CLiQ interface.
Which mechanical and connection details should be checked for this code?
Check IM B5 (IM V1, IM V3) flange mounting, the rotatable M23 signal and power connectors, the Feather key shaft with tolerance N, and the absence of a holding brake.
What protection and cooling details identify the configuration?
The motor has natural cooling and IP65 protection, with IP67 protection at the DE flange.
