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1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
| Specification | Description |
|---|---|
| Manufacturer | Siemens |
| Part number | 1FL6044-1AF61-2LB1 |
| Alternative part number | 1FL60441AF612LB1 |
| Product range | SIMOTICS S-1FL6 |
| Product type | Permanent-magnet synchronous servo motor |
| Motor design | High inertia motor for controlled motion applications |
| Rated power | 0.75 kW / 1.02 hp |
| Rated speed | 3,000 rpm |
| Maximum speed | 4,000 rpm |
| Rated torque | 2.39 Nm at 100 K |
| Maximum torque | 7.20 Nm |
| Static torque | 3.50 Nm |
| Rated current | 2.1 A |
| Maximum current | 6.3 A |
| Torque constant | 1.20 Nm/A |
| Moment of inertia | 5.700 kgcm² |
| Shaft height | 45 mm |
| Shaft end | Feather key shaft |
| Encoder type | Absolute encoder, 20-bit single-turn with 12-bit multi-turn |
| Cooling method | Natural cooling |
| Holding brake | Integrated holding brake |
| Brake holding torque | 3.50 Nm |
| Brake rated voltage | 24 V DC ±10% |
| Brake rated current | 0.90 A |
| Brake opening time | 60 ms |
| Brake closing time | 45 ms |
| Connection type | Rotatable angular connector |
| Degree of protection | IP65 |
| Mounting arrangement | IM B5, also suitable for IM V1 and IM V3 configurations |
| Radial runout tolerance | Class N |
| Vibration severity grade | Grade A |
| Thermal class | Class B, 130 °C |
| Operating ambient temperature | 0 to 40 °C |
| Maximum relative humidity | 90% RH, non-condensing at 30 °C |
| Compliance | CE and EAC |
| Net weight | 6.30 kg |
This is a SIMOTICS S-1FL6 permanent-magnet synchronous servo motor designed for precise motion control in industrial automation applications.
The motor has a rated power of 0.75 kW, equivalent to approximately 1.02 hp.
The rated speed is 3,000 rpm, with a maximum speed of 4,000 rpm.
It provides a rated torque of 2.39 Nm, a static torque of 3.50 Nm, and a maximum torque of 7.20 Nm.
Yes. The motor includes a holding brake with a holding torque of 3.50 Nm, a rated voltage of 24 V DC ±10 %, an opening time of 60 ms, and a closing time of 45 ms.
The motor is fitted with an absolute encoder rated at 20 bit single-turn plus 12 bit multi-turn, enabling accurate position feedback.
This model is classified as a high-inertia motor, making it suitable for applications where stable motion and load matching are important.
The motor uses a shaft end with a feather key, which helps provide a secure mechanical connection to compatible couplings, gearboxes or driven equipment.
The motor has an IP65 degree of protection, meaning it is protected against dust ingress and low-pressure water jets when correctly installed.
The motor uses natural cooling, so it does not rely on an integral fan for normal heat dissipation.
The specified operating ambient temperature range is 0 to 40 °C, with relative humidity up to 90 % RH maximum, non-condensing at 30 °C.
The motor is designed according to Code I with IM B5 mounting, including IM V1 and IM V3 mounting orientations.
It uses an angular, rotatable connector, allowing the cable outlet direction to be adjusted during installation.
The net weight is approximately 6.30 kg, although plate values and published data can vary slightly.
This SIMOTICS S-1FL6 servo motor is commonly associated with SINAMICS V70 and V90 drive systems, subject to correct configuration and matching electrical ratings.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
All parts new or reconditioned are covered by EU Automation 12 month warranty
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