Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Encoder system | Absolute encoder AM20DQI: 20 bits + 12 bits multi-turn, with DRIVE-CLiQ interface |
| Design | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
| Shaft end | Feather key, tolerance N |
| Holding brake | without holding brake |
Key Features
- Motor designation: SIMOTICS S synchronous motor 1FK7-HD; permanent-magnet synchronous motor, High Dynamic.
- Performance: Optimum power: 1.4 kW; rated speed: 4,500 rpm (100 K); rated torque: 3.0 Nm (100 K).
- Encoder system: Absolute encoder AM20DQI with 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions), with DRIVE-CLiQ interface.
- Mounting and shaft: Design: IM B5 (IM V1, IM V3); shaft with fitted Feather key, tolerance N.
- Connections and cooling: M23 connectors for rotatable signals and power connections; Natural cooling.
- Protection and brake: Degree of protection: IP65 and DE flange IP67; without holding brake.
Frequently Asked Questions
Which specifications identify the exact 1FK7044-4CH71-1RA2 variant?
Check the 1.4 kW optimum power, 4,500 rpm rated speed (100 K), AM20DQI absolute encoder with 20-bit + 12-bit multiturn feedback, IM B5 design, M23 connectors, natural cooling, IP65 and DE flange IP67 protection, and shaft with fitted Feather key.
What encoder and connection details should be checked?
The motor has an AM20DQI absolute encoder with 20 bits and 12 bits multi-turn, a DRIVE-CLiQ interface, and rotatable M23 connectors for signals and power.
Does this configuration include a holding brake?
It is without holding brake.
Which order and nameplate details are needed for a quotation?
Provide the complete 1FK7044-4CH71-1RA2 order number together with the required quantity and destination.
