Product information
Overview
Key Features
- Synchronous motor performance: Optimum power: 1.4 kW; optimum speed: 4,500 rpm; efficiency: 91.0 %.
- Rated electrical values: Rated current: 3.9 A; rated inverter current: 9 A; power supply voltage for the holding brake: DC 24 V ± 10 %.
- Absolute encoder feedback: Encoder AS20DQI: absolute single-turn encoder, 20 bits, with DRIVE-CLiQ interface.
- Holding brake: Permanent-magnet brake with holding torque of 4.0 Nm; opening time: 70 ms; closing time: 30 ms.
- Mounting and shaft: Design: IM B5 (IM V1, IM V3); flange 1; plain shaft; M23 connector size.
- Cooling and protection: Natural cooling and degree of protection IP64; signals and power connectors are rotatable.
Technical Summary
| Product type | Permanent-magnet synchronous motor |
|---|---|
| Optimum power | 1.4 kW |
| Optimum speed | 4,500 rpm |
| Rated current | 3.9 A |
| Encoder | Absolute single-turn encoder, 20 bits, with DRIVE-CLiQ interface |
| Mounting design | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
| Holding brake | Permanent-magnet brake, holding torque 4.0 Nm |
Frequently Asked Questions
What encoder is installed on the Siemens 1FK7044-4CH71-1QH0?
It has an AS20DQI absolute single-turn encoder with 20 bits and a DRIVE-CLiQ interface.
What are the motor speed and power values?
The optimum speed is 4,500 rpm and the optimum power is 1.4 kW. The maximum permissible speed is 9,000 rpm for mechanical and inverter operation.
What mounting and connector configuration does it have?
It has design IM B5 (IM V1, IM V3), flange 1, a plain shaft, and an M23 connector size. The signals and power connectors are rotatable.
Does the motor include a holding brake?
It has a permanent-magnet holding brake with 4.0 Nm holding torque, DC 24 V ± 10 % power supply voltage, 70 ms opening time, and 30 ms closing time.
