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 |
| Absolute encoder | 20 bits + 12 bits multiturn, Encoder AM20DQI |
| Encoder interface | DRIVE-CLiQ |
| Holding brake torque | 4.0 Nm |
| Power supply voltage | DC 24 V ± 10 % |
| Mounting design | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Degree of protection | IP65 |
Key Features
- Product designation: SIMOTICS S synchronous motor 1FK7-HD with 1.4 kW optimum power.
- Performance: Rated speed: 4,500 rpm (100 K); rated torque: 3.0 Nm (100 K); maximum torque: 13.0 Nm.
- Encoder system: Absolute Encoder AM20DQI with 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multiturn (traversing range 4096 revolutions), with DRIVE-CLiQ interface.
- Holding brake: Permanent-magnet brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply voltage.
- Mechanical configuration: Frame size IM B5 (IM V1, IM V3), M23 connectors, rotatable signals and power connectors, and shaft with fitted Feather key, tolerance N.
- Cooling and protection: Natural cooling and IP65 degree of protection.
Frequently Asked Questions
What does Siemens 1FK7044-4CH71-1RB1 identify?
It identifies a SIMOTICS S permanent-magnet synchronous motor 1FK7-HD with 1.4 kW optimum power.
Which encoder and interface identify this exact variant?
It has an absolute Encoder AM20DQI with 20 bits + 12 bits multiturn and a DRIVE-CLiQ interface.
Which brake and shaft details should be checked?
Check the permanent-magnet holding brake with 4.0 Nm holding torque and the shaft with fitted Feather key, tolerance N.
What code and nameplate details are needed for a quotation?
Provide the complete code 1FK7044-4CH71-1RB1, required quantity, and destination.
