Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Optimum power | 1.2 kW |
| Rated speed | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Feedback system | Resolver R14DQ, 14 bits, resolution 16384, internal 2-pole |
| Electrical connectors | M23 connectors for signals and power, rotatable |
| Mounting design | IM B5 (IM V1, IM V3) |
| Holding brake | Permanent-magnet brake, holding torque 4.0 Nm |
| Shaft end | Plain shaft |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
Key Features
- Motor designation: SIMOTICS S synchronous motor, 1FK7-HD, permanent-magnet synchronous motor, High Dynamic.
- Performance: Optimum power: 1.2 kW; rated speed: 3,000 rpm; rated torque: 3.7 Nm (100 K).
- Feedback system: Resolver R14DQ: resolver 14 bits with resolution 16384 and internal 2-pole design.
- Connections and mounting: M23 electrical connectors for signals and power are rotatable; flange: IM B5 (IM V1, IM V3).
- Brake and shaft: Permanent-magnet holding brake with 4.0 Nm holding torque; plain shaft.
- Cooling and protection: Natural cooling and IP64 degree of protection.
Frequently Asked Questions
What performance facts distinguish Siemens 1FK7044-4CF71-1PH0?
The listed variant has 1.2 kW optimum power, 3,000 rpm rated speed, and 3.7 Nm rated torque (100 K).
Which feedback and connection details should be checked?
Check the Resolver R14DQ feedback system with 14 bits and resolution 16384, plus rotatable M23 connectors for signals and power.
Does this variant include a brake and what shaft does it have?
It has a permanent-magnet holding brake with 4.0 Nm holding torque and a plain shaft.
