Product Overview
Technical Summary
| Product designation | 1FK7044-4CF71-1QH1 |
|---|---|
| Product family | SIMOTICS S 1FK7-HD |
| Motor type | Permanent-magnet synchronous motor |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Encoder system | AS20DQI absolute encoder, single-turn 20 bits, with DRIVE-CLiQ interface |
| Holding brake | Permanent-magnet brake; holding torque: 4.0 Nm |
| Mounting design | IM B5 (IM V1, IM V3) |
| Power connector | M23, rotatable |
| Degree of protection | IP65 |
Key Features
- Product designation: SIMOTICS S 1FK7-HD permanent-magnet synchronous motor.
- Performance: Optimum power: 1.2 kW; rated speed (100 K): 3,000 rpm; rated torque (100 K): 3.7 Nm.
- Encoder system: AS20DQI absolute encoder, single-turn 20 bits, with DRIVE-CLiQ interface.
- Mechanical configuration: Natural cooling, IM B5 (IM V1, IM V3) design, plain shaft with tolerance N, and rotatable M23 power connector.
- Holding brake: Permanent-magnet holding brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply voltage.
- Protection and monitoring: Degree of protection: IP65; temperature monitoring: Pt1000 temperature sensor.
Frequently Asked Questions
Which specifications identify Siemens 1FK7044-4CF71-1QH1?
The identifying configuration includes 1.2 kW optimum power, 3,000 rpm rated speed (100 K), an AS20DQI single-turn 20-bit absolute encoder with DRIVE-CLiQ, a holding brake, IM B5 (IM V1, IM V3) design, and IP65 protection.
Which encoder and connection does this motor have?
It has an AS20DQI absolute encoder, single-turn 20 bits, with a DRIVE-CLiQ interface. The connector size is M23, and the signals and power connectors are rotatable.
What holding-brake details should be checked for this exact variant?
The motor has a permanent-magnet brake with 4.0 Nm holding torque, DC 24 V ± 10 % power supply voltage, 0.5 A coil current, 70 ms opening time, and 30 ms closing time.
