Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Rated power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Maximum permissible speed (mech.) | 9,000 rpm |
| Maximum torque | 13.0 Nm |
| Rated current | 3.9 A |
| Encoder system | Resolver R14DQ: resolver 14 bits (resolution 16384, internal 2-pole) |
| Electrical connectors | Connectors for signals and power rotatable; M23 |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Degree of protection | IP65 |
| Holding brake | without holding brake |
Key Features
- Product designation: SIMOTICS S synchronous motor 1FK7-HD.
- Power and speed: Optimum power: 1.4 kW; rated speed (100 K): 4,500 rpm.
- Feedback: Resolver R14DQ: resolver 14 bits with resolution 16384 and internal 2-pole design.
- Mounting and shaft: Design acc. to Code I: IM B5 (IM V1, IM V3); shaft end: Feather key, tolerance N.
- Connections: M23 electrical connectors for signals and power are rotatable; the motor has a DRIVE-CLiQ-interface.
- Protection and brake: Natural cooling, IP65 degree of protection, and without holding brake.
Frequently Asked Questions
What product does 1FK7044-4CH71-1PA1 identify?
It identifies a Siemens SIMOTICS S 1FK7-HD permanent-magnet synchronous motor.
Which feedback system does this exact variant have?
It has a Resolver R14DQ resolver with 14 bits, resolution 16384, and an internal 2-pole design.
Which ratings help verify this MLFB?
The supplied ratings include 1.4 kW optimum power, 4,500 rpm rated speed (100 K), 3.0 Nm rated torque (100 K), and 13.0 Nm maximum torque.
What shaft, connection, cooling, and protection details should be checked?
Check the Feather key shaft end with tolerance N, rotatable M23 signal and power connectors, natural cooling, and IP65 protection.
What configuration should be requested for a quotation?
Provide the complete 1FK7044-4CH71-1PA1 code together with the required quantity and destination.
