Product information
Overview
Key Features
- Motor performance: Permanent-magnet synchronous motor with 1.4 kW optimum power, 4,500 rpm rated speed, and 3.0 Nm rated torque (100 K).
- Absolute encoder feedback: AM20DQI absolute encoder with 20 bits, 1048576 resolution, encoder-internal 512 S/R, and 12 bits multiturn over 4096 revolutions.
- Holding brake: Permanent-magnet holding brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply voltage.
- Mechanical configuration: IM B5 (IM V1, IM V3) design with M23 connector size, rotatable signals and power connectors, and shaft with fitted Feather key.
- Cooling and protection: Natural cooling and IP65 degree of protection.
Technical Summary
| Product | Siemens SIMOTICS S synchronous motor 1FK7044-4CH71-1RB1 |
|---|---|
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Absolute encoder | AM20DQI, 20 bits + 12 bits multiturn, DRIVE-CLiQ interface |
| Holding torque | 4.0 Nm |
| Power supply voltage | DC 24 V ± 10 % |
| Mounting design | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Cooling | Natural cooling |
| Degree of protection | IP65 |
Frequently Asked Questions
What encoder is fitted to the Siemens 1FK7044-4CH71-1RB1?
It has an AM20DQI absolute encoder with 20 bits, 1048576 resolution, encoder-internal 512 S/R, and 12 bits multiturn over 4096 revolutions.
What holding brake does this motor have?
It has a permanent-magnet holding brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply voltage.
What mounting and connector configuration does it use?
It uses IM B5 (IM V1, IM V3) design, M23 connectors, and rotatable signals and power connectors.
