Key Features
- Power and speed: Optimum power: 1.2 kW; optimum speed: 3,000 rpm.
- Feedback system: Encoder AM20DQI with absolute encoder 20 bits + 12 bits multi-turn and DRIVE-CLiQ interface.
- Mechanical configuration: IM B5 (IM V1, IM V3) design with shaft height 48, shaft with fitted key, and connector size M23.
- Protection and cooling: Natural cooling with degree of protection IP65 and DE flange IP67.
- Holding brake: With holding brake, holding torque 4.0 Nm, power supply voltage DC 24 V ± 10 %.
Technical Summary
| Product type | Permanent-magnet synchronous motor |
|---|---|
| Optimum power | 1.2 kW |
| Optimum speed | 3,000 rpm |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Maximum torque | 13.0 Nm |
| Rated current | 3.5 A |
| Maximum current | 12.1 A |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn |
| Holding brake | with holding brake |
| Cooling | Natural cooling |
| Degree of protection | IP65 and DE flange IP67 |
Applications
- SINAMICS S120 drive integration: Motor use in SINAMICS S120 drive systems.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1RB2?
It is a SIMOTICS S synchronous motor.
What are the key performance ratings of 1FK7044-4CF71-1RB2?
Optimum power is 1.2 kW and optimum speed is 3,000 rpm.
Which encoder is used on 1FK7044-4CF71-1RB2?
It uses encoder AM20DQI with an absolute encoder 20 bits + 12 bits multi-turn and DRIVE-CLiQ interface.
What mechanical and protection details are listed for 1FK7044-4CF71-1RB2?
It has IM B5 (IM V1, IM V3) design, connector size M23, natural cooling, and degree of protection IP65 and DE flange IP67.
