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Siemens
1FK7042-2AF71-1RB0
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 1FK7042-2AF71-1RB0 |
| Alternative Part Number | 1FK70422AF711RB0 |
| Manufacturer | Siemens |
| Rated Power | 0.82 kW |
| Supply Voltage | 600 V |
| Rated Speed | 3000 rpm |
| Rated Torque | 3 Nm |
| Maximum Speed (Mechanical) | 9000 rpm |
| Maximum Torque | 10.5 Nm |
| Holding Brake Version | Permanent-magnet brake |
| Holding Torque | 4.0 Nm |
| Maximum Speed (Inverter) | 6400 rpm |
| Maximum Inverter Current | 7.6 A |
| Rated Inverter Current | 3 A |
| Efficiency | 89.0 % |
| Moment of Inertia | 3.200 kgcm² |
| Motor Type | Compact, Permanent-magnet synchronous motor |
| Shaft Height | 48 |
| Cooling | Natural cooling |
| Degree of Protection | IP64 |
| Encoder System | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512S/R) + 12 bits multi-turn (4096 revolutions) |
| Net Weight of the Motor | 5.3 kg |
| Colour of the Housing | Standard (Anthracite RAL 7016) |
The Siemens 1FK7042-2AF71-1RB0 is a high-performance synchronous motor renowned for its precision and reliability in a variety of industrial applications. Engineered to deliver a power output of 0.82 kW and capable of reaching speeds up to 3000 rpm, this motor is an ideal choice for tasks requiring consistent speed and torque. It operates efficiently at a voltage of 600 V and produces a steady torque of 3 Nm, ensuring optimal performance in demanding environments.
This motor is designed with a natural air cooling system, which contributes to its compact form factor and robustness for use in confined spaces without compromising on cooling efficiency. The inclusion of a permanent-magnet brake enhances its operational safety, providing reliable stopping power when needed. With an IP64 degree of protection, the motor is well-suited for applications where exposure to dust and moisture is a concern.
The Siemens 1FK7042-2AF71-1RB0 also features an integrated encoder system, the Encoder AM20DQI, which offers a high resolution of 20 bits, ensuring precise control and feedback for complex motion tasks. This makes the motor particularly suitable for automation systems where accuracy and control are paramount.
Built to the highest standards of German engineering, this synchronous motor is a testament to Siemens' commitment to quality and performance. Its mechanical and electrical characteristics are designed to meet the rigorous demands of modern industry, making it a valuable asset for manufacturers seeking to enhance their operations with reliable and efficient motor technology.
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Frequently Asked Questions
What are the key specifications of this synchronous motor?
This Siemens synchronous motor is designed with a power output of 0.82 kW, a supply voltage of 600 V, an operational speed of 3000 rpm, and a torque of 3 Nm. It features natural air cooling and is equipped with a permanent-magnet brake.
Can this motor be used in a variable speed application?
Yes, the motor is suitable for variable speed applications when paired with the appropriate inverter. It has a maximum permissible speed of 9000 rpm mechanically and 6400 rpm when controlled by an inverter.
What type of encoder does the motor come with?
The motor is equipped with an Encoder AM20DQI, which is an absolute encoder with a resolution of 1048576 and an encoder-internal 512 S/R, plus a 12-bit multi-turn capable of 4096 revolutions.
What is the degree of protection for this motor?
The motor has a degree of protection rated at IP64, which means it is protected against dust ingress and splashing water.
What is the efficiency rating of this motor?
The motor has an efficiency rating of 89.0%, making it a highly efficient option for various industrial applications.
What are the physical dimensions and weight of the motor?
The motor has a compact design with a shaft height of 48 and a net weight of 5.3 kg, making it suitable for applications where space is at a premium.
Is there a holding brake feature on this motor?
Yes, the motor includes a holding brake with a holding torque of 4.0 Nm, which is a permanent-magnet brake.
What type of cooling method is used for this motor?
This motor utilises natural cooling, which does not require additional cooling equipment or systems.
What is the maximum torque this motor can provide?
The motor can provide a maximum torque of 10.5 Nm, which is suitable for a range of demanding applications.
How is the temperature of the motor monitored?
The motor includes a Pt1000 temperature sensor for accurate and reliable temperature monitoring during operation.
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