Beckhoff EtherCAT Coupler With Integrated I/O, 4 DI / 4 DO, IP20, 0.5 A Outputs - EK1914
The Beckhoff C9900-U332-0010 is an external 24 V battery pack designed for use with Industrial PCs featuring an integrated UPS power supply. With a rated capacity of 1.2 Ah, it provides backup power to ensure controlled system shutdowns and data protection during mains failures, supporting DIN-rail mounting in both vertical and horizontal orientations.
Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Beckhoff |
| Category |
Industrial Automation |
| Part Number |
C9900-U332-0010 |
| Subcategory |
Battery Pack |
| Function |
External UPS energy storage unit for 24 V power supplies |
| Compatible Systems |
Industrial PCs with integrated UPS (e.g., C9900-U209, ATPCS with Intel® Celeron ULV 827E or Intel® Atom®) |
| Nominal Voltage |
24 V DC |
| Nominal Capacity |
1.2 Ah (20 h discharge) |
| Internal Structure |
Two 12 V batteries connected in series |
| Fuse |
9 A PTC element (resettable protection) |
| Mounting Type |
DIN-rail TS35x15 (2.3) |
| Mounting Orientation |
Vertical or horizontal |
| Housing Material |
Metal |
| Power Supply Connection |
Via 24 V UPS interface |
| Operating Temperature |
0°C to +50°C |
| Storage Temperature |
-20°C to +60°C |
| Protection Class |
IP20 |
| Maintenance |
Maintenance-free design |
| Application |
Backup energy storage for safe shutdown of IPCs |
| Dimensions (W × H × D) |
68.7 × 106.6 × 143.8 mm |
| Weight |
2.1 kg |
What our Experts Think
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A compact, high-performance servo solution, the Beckhoff AM8121-1F20-0000 from the AM8000 Series delivers precise motion control for demanding automation applications.
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0.16 kW servo power provides efficient performance, making it ideal for smaller machines, positioning systems, robotics, and motion-intensive equipment.
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48 V DC operation supports flexible machine designs, especially compact systems where space and energy efficiency are priorities.
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Designed for precision motion control, offering accurate positioning, smooth operation, and reliable dynamic response.
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Seamless integration with Beckhoff automation platforms, including TwinCAT and compatible servo drives, simplifies advanced motion applications.
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Compact motor design helps save installation space, enabling efficient machine layouts without compromising performance.
Q&A
Q: What is the Beckhoff AM8121-1F20-0000 Servo Motor?
A: The Beckhoff AM8121-1F20-0000 is a compact 48 V DC servo motor from the AM8000 series, designed for precise motion control in industrial automation systems.
Q: What are the key specifications of this servo motor?
A: It features 48 V DC operation, 0.16 kW rated power, 0.50 Nm rated torque, 2 Nm peak torque, and 3000 rpm rated speed for responsive motion applications.
Q: What applications is the AM8121-1F20-0000 used for?
A: It is commonly used in machine automation, robotics, handling systems, positioning equipment, and compact servo axis applications requiring accurate speed and position control.
Q: Is this motor compatible with Beckhoff motion systems?
A: Yes. The AM8000 series is designed for integration with Beckhoff servo drives and TwinCAT-based automation solutions.
Q: What type of feedback does the motor use?
A: The motor supports encoder-based feedback options for closed-loop control and precise positioning.
Q: Why choose a low-voltage servo motor?
A: A 48 V DC servo motor offers a compact, efficient solution for machines requiring precise motion control in smaller automation setups.
Q: What maintenance does a servo motor require?
A: Keep connectors clean, inspect cables, monitor operating temperatures, and ensure the motor is properly matched with its drive system for reliable performance.
Maintenance Tips
- Keep the motor housing clean and free from dust buildup.
- Inspect motor cables, connectors, and terminals regularly.
- Check for unusual noise, vibration, or temperature increases.
- Verify shaft alignment and mechanical coupling condition.
- Monitor load levels to prevent overheating or stress.
- Ensure proper ventilation around the motor.
- Inspect mounting hardware for tightness.
- Store in a dry, clean environment when not in use
Damage 
Loss 
Theft 
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