steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
1 month ago
1FK7042-2AC71-1RB1
Siemens 1FK7042-2AC71-1RB1 available at EU Automation. Get in touch today for a quick price.
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What happens next?
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.
The Siemens 1FK7042-2AC71-1RB1 is a high-performance permanent-magnet synchronous motor designed for precision and efficiency in industrial applications. With a rated speed of 2,000 rpm and a rated torque of 2.8 Nm, this compact motor is engineered to deliver reliable performance in demanding environments. It features a robust design with a shaft height of 48 mm and natural cooling, ensuring optimal operation without the need for additional cooling systems. The motor's IP65 protection rating provides excellent resistance to dust and water ingress, making it suitable for a variety of settings. Equipped with an advanced encoder system, the 1FK7042-2AC71-1RB1 offers precise control with a 20-bit absolute encoder and a 12-bit multi-turn capability, allowing for accurate positioning and movement. Its compact design and high efficiency of 88% make it an ideal choice for applications requiring both power and precision.
| Specification | Description |
|---|---|
| Part Number | 1FK7042-2AC71-1RB1 |
| Manufacturer | Siemens |
| Motor Type | Permanent-magnet synchronous motor |
| Rated Speed | 2,000 rpm |
| Number of Poles | 8 |
| Rated Torque | 2.8 Nm |
| Rated Current | 1.6 A |
| Static Torque (60 K) | 2.50 Nm |
| Static Torque (100 K) | 3.00 Nm |
| Stall Current (60 K) | 1.30 A |
| Stall Current (100 K) | 1.61 A |
| Moment of Inertia | 3.200 kgcm² |
| Efficiency | 88.0% |
| Torque Constant | 1.86 Nm/A |
| Voltage Constant at 20º C | 122.0 V/1000*min¯¹ |
| Winding Resistance at 20º C | 8.60 Ω |
| Rotating Field Inductance | 64.0 mH |
| Electrical Time Constant | 7.40 ms |
| Mechanical Time Constant | 2.15 ms |
| Thermal Time Constant | 30 min |
| Shaft Torsional Stiffness | 11,400 Nm/rad |
| Net Weight of the Motor | 5.3 kg |
| Shaft Height | 48 |
| Cooling | Natural cooling |
| Radial Runout Tolerance | 0.040 mm |
| Concentricity Tolerance | 0.08 mm |
| Axial Runout Tolerance | 0.08 mm |
| Vibration Severity Grade | Grade A |
| Connector Size | 1 |
| Degree of Protection | IP65 |
| Design Acc. to Code | IIM B5 (IM V1, IM V3) |
| Temperature Monitoring | Pt1000 temperature sensor |
| Electrical Connectors | Connectors for signals and power rotatable |
| Color of the Housing | Standard (Anthracite RAL 7016) |
| Holding Brake | With holding brake |
| Shaft End | Feather key |
| Encoder System | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Max. Permissible Speed (Mech.) | 9,000 rpm |
| Max. Permissible Speed (Inverter) | 4,750 rpm |
| Maximum Torque | 10.5 Nm |
| Maximum Current | 5.6 A |
| Power Supply Voltage | DC 24 V ± 10% |
| Coil Current | 0.5 A |
| Opening Time | 70 ms |
| Closing Time | 30 ms |
| Highest Braking Work | 150 J |
| Recommended Motor Module | Rated inverter current: 3 A, Maximum inverter current: 9 A, Maximum torque: 10.50 Nm |
The Siemens 1FK7042-2AC71-1RB1 is a high-performance permanent-magnet synchronous motor designed for precision and efficiency. With a rated speed of 2,000 rpm and a robust construction, it is ideal for demanding industrial applications. The motor features a compact design, natural cooling, and a high degree of protection (IP65), ensuring reliable operation in various environments. Its advanced encoder system provides precise feedback, making it suitable for applications requiring accurate positioning and control. The motor's high efficiency and optimal performance characteristics make it a valuable component in modern automation systems.
What type of motor is this part?
This part is a permanent-magnet synchronous motor, known for its efficiency and reliability in various industrial applications.
What is the rated speed of this motor?
The motor has a rated speed of 2,000 rpm, making it suitable for applications requiring consistent and reliable performance.
What is the maximum permissible speed of this motor?
The maximum permissible mechanical speed of the motor is 9,000 rpm, while the maximum permissible speed with an inverter is 4,750 rpm.
What is the rated torque of this motor?
The motor has a rated torque of 2.8 Nm, providing robust performance for various industrial tasks.
What is the degree of protection for this motor?
The motor has a degree of protection rated at IP65, ensuring it is dust-tight and protected against water jets.
Does this motor include a holding brake?
Yes, the motor includes a permanent-magnet holding brake with a holding torque of 4.0 Nm.
What is the power supply voltage for this motor?
The motor operates on a DC 24 V power supply with a tolerance of ± 10%.
What is the efficiency of this motor?
The motor boasts an efficiency of 88.0%, making it a highly efficient choice for energy-conscious applications.
What is the weight of the motor?
The net weight of the motor is 5.3 kg, making it relatively lightweight for its performance capabilities.
What type of encoder system does this motor use?
The motor is equipped with an Encoder AM20DQI, a 20-bit absolute encoder with a resolution of 1048576 and a 12-bit multi-turn capability.
- Industrial automation systems
- Robotics and motion control applications
- CNC machinery and equipment
- Packaging and material handling systems
- Textile manufacturing machines
- Printing and paper processing equipment
- Food and beverage processing lines
- Automotive production lines
- Semiconductor manufacturing equipment
- Renewable energy systems, such as wind turbines
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.
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Customer reviews
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Daniel
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Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
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Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
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Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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