Siemens 1FK7042-2AF71-1CH2 Servo Motor
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Technical Specifications
| Parameter | Description |
|---|---|
| Product Model | 1FK7042-2AF71-1CH2 |
| Manufacturer | Siemens |
| Product Series | SIMOTICS S-1FK7 |
| Product Type | Synchronous Servo Motor |
| Motor Design | Permanent-Magnet Synchronous Motor |
| Rated Power | 0.82 kW |
| DC-Link Voltage | 600 V DC |
| Rated Speed | 3,000 rpm |
| Maximum Mechanical Speed | 9,000 rpm |
| Maximum Inverter Speed | 6,400 rpm |
| Rated Torque | 2.6 Nm |
| Static Torque at 60 K | 2.50 Nm |
| Static Torque at 100 K | 3.00 Nm |
| Maximum Torque | 10.5 Nm |
| Rated Current | 2.0 A |
| Maximum Current | 7.6 A |
| Number of Poles | 8 |
| Torque Constant | 1.38 Nm/A |
| Voltage Constant at 20°C | 90.0 V/1000 rpm |
| Winding Resistance at 20°C | 4.67 Ω |
| Inductance | 35.0 mH |
| Efficiency | 89% |
| Cooling Method | Natural Cooling |
| Encoder Type | AM24DQI Absolute Encoder |
| Encoder Resolution | 24-bit Single-turn + 12-bit Multiturn |
| Encoder Interface | DRIVE-CLiQ |
| Temperature Sensor | Pt1000 |
| Holding Brake | Permanent-Magnet Holding Brake |
| Brake Holding Torque | 4.0 Nm |
| Brake Supply Voltage | 24 V DC ±10% |
| Brake Coil Current | 0.5 A |
| Brake Release Time | 70 ms |
| Brake Closing Time | 30 ms |
| Shaft Type | Plain Shaft |
| Shaft Tolerance | Class N |
| Mounting Type | IM B5 (IM V1, IM V3) |
| Flange Size | Size 1 |
| Shaft Height | 48 mm |
| Protection Rating | IP65; drive-end flange protection IP67 |
| Power and Signal Connections | Rotatable Connectors |
| Vibration Severity Grade | Grade A |
| Weight | 4.9 kg |
FAQ
Q1: What is the Siemens 1FK7042-2AF71-1CH2 servo motor used for?
The Siemens 1FK7042-2AF71-1CH2 belongs to the SIMOTICS S-1FK7 series and is designed for industrial motion control applications requiring accurate positioning, stable speed regulation, and reliable torque performance. Typical applications include CNC machinery, packaging equipment, automated assembly systems, material handling equipment, and precision manufacturing lines.
Q2: What are the rated power, speed, and torque of this servo motor?
The motor has a rated power of 0.82 kW, a rated speed of 3,000 rpm, and a rated torque of 2.6 Nm. Its static torque is 2.50 Nm at a 60 K temperature rise and 3.00 Nm at a 100 K temperature rise. The maximum torque reaches 10.5 Nm. These ratings should be considered together with the machine’s load inertia, acceleration requirements, and operating cycle when selecting a drive system.
Q3: Does the 1FK7042-2AF71-1CH2 come with a holding brake?
Yes. This model is equipped with a permanent-magnet holding brake rated at 4.0 Nm. The brake operates with a 24 V DC supply and has a specified release time of 70 ms and closing time of 30 ms. It is designed to hold the motor shaft when the drive is not actively controlling the motor. For safety-critical or vertical-axis applications, the brake must be evaluated against the actual load and applicable machine safety requirements.
Q4: What encoder is used in the 1FK7042-2AF71-1CH2?
The motor uses an AM24DQI absolute encoder with 24-bit single-turn and 12-bit multiturn resolution. It communicates through the DRIVE-CLiQ interface, allowing compatible Siemens drive systems to receive accurate position feedback and motor data. This supports precise positioning, speed control, and coordinated motion in automated machinery.
Q5: Which Siemens drive systems are compatible with this servo motor?
The 1FK7042-2AF71-1CH2 is designed for compatible Siemens SINAMICS servo drive configurations. The selected drive must support the motor’s electrical ratings and DRIVE-CLiQ feedback interface. Before commissioning, verify the DC-link voltage, current capacity, motor identification data, and drive configuration to ensure proper operation.
Q6: What are the cooling method and protection rating of this motor?
This servo motor uses natural cooling and has an IP65 protection rating, with IP67 protection at the drive-end flange. It is designed for industrial environments where protection against dust and water exposure is important. Proper installation and adequate heat dissipation are still necessary, particularly in applications involving frequent starts, stops, or sustained high loads.
Q7: How should overheating, encoder errors, or brake faults be diagnosed?
For overheating, check the mechanical load, motor current, acceleration settings, and Pt1000 temperature sensor connection. If an encoder error occurs, inspect the DRIVE-CLiQ cable, connectors, and drive feedback diagnostics. For brake problems, verify the 24 V DC supply, brake wiring, and release command. Read the specific drive fault code before restarting the motor, as repeated resets without identifying the cause may lead to further equipment problems.
Q8: What precautions should be taken when installing or replacing the 1FK7042-2AF71-1CH2?
Disconnect the power supply and follow the machine’s electrical safety procedures before installation. Check the mounting flange, shaft alignment, coupling, and mechanical load to prevent excessive radial or axial forces. Connect the power, encoder, and brake cables according to the specified wiring requirements. After installation, verify the motor identification data, DRIVE-CLiQ communication, and brake operation in the drive system. Start with a low-speed test and gradually increase the speed and load after confirming that all functions operate correctly.
Siemens 1FK7042-2AF71-1CH2 Servo Motor is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








