The SIEMENS UAC:FN3440132118E2FAJXX Schaffner Line Harmonic Filter is a critical component for modern industrial power systems, engineered to mitigate harmonic distortion and ensure efficient operation of variable speed drives (VSDs) and other sensitive equipment. This advanced filter offers superior performance with a rated power of 132 kW and operates seamlessly at 400V and 50 Hz, significantly improving power quality and protecting machinery from detrimental harmonic currents. Its robust design and Schaffner's renowned expertise in power quality solutions position it as a leading choice for applications demanding reliable and clean power.
| Parameter | Value |
| :----------------- | :------------------ |
| Product Code | UAC:FN3440132118E2FAJXX |
| Manufacturer | Siemens / Schaffner |
| Rated Power | 132 kW |
| Rated Voltage | 400V |
| Rated Frequency | 50 Hz |
| Type | Line Harmonic Filter |
| Application | VSDs, Motor Control |
| Protection Class | IP20 (typical) |
| Cooling | Natural convection |
| Installation Type | DIN rail or Screw |
| Approvals | CE, UL (typical) |
Core Features & Market Positioning
The SIEMENS UAC:FN3440132118E2FAJXX stands out due to its exceptional harmonic attenuation capabilities, effectively reducing total harmonic distortion (THDi) to below 5% even under challenging load conditions. This superior performance ensures compliance with international power quality standards like IEEE 519, preventing nuisance tripping of sensitive electronics and extending equipment lifespan. Schaffner's patented technology within this filter design offers a compact footprint and high efficiency, making it an ideal solution for space-constrained industrial environments. Its robust construction and reliable performance solidify its market position as a premium, industrial-grade solution for demanding power quality challenges.
Key Application Scenarios
This line harmonic filter is indispensable in numerous industrial settings where VSDs are prevalent. Key applications include pump and fan control systems in HVAC, material handling and conveyor systems in manufacturing, and process control in chemical plants. The SIEMENS UAC:FN3440132118E2FAJXX is also crucial for protecting sensitive equipment in sectors like food and beverage processing, pharmaceuticals, and water treatment facilities, where stable power is paramount for consistent production and product quality. Its ability to suppress conducted electrical noise ensures smooth operation and prevents interference with other electrical systems.
Practical System Integration Guidance
Integrating the SIEMENS UAC:FN3440132118E2FAJXX is straightforward, typically requiring connection between the VSD's output and the motor. The filter should be installed as close as possible to the VSD for optimal performance. Ensure proper grounding of the filter's housing to the main electrical ground. Verify that the motor cable is shielded and properly terminated. Wiring diagrams usually specify screw terminals for power connections; ensure all connections are torqued to the manufacturer's specifications to prevent overheating and ensure electrical safety.
Operation and Risk Mitigation
The filter operates passively, requiring no external power supply or complex configuration. Its primary function is to absorb and dissipate harmonic currents, thereby presenting a cleaner sinusoidal voltage to the motor. Risk mitigation is primarily achieved through correct installation and adherence to voltage and current ratings. Overloading the filter beyond its 132 kW capacity or exposing it to voltages outside the 400V range can lead to premature failure and potential damage to connected equipment. Regular visual inspection for signs of overheating or physical damage is recommended.
Scalability & Long-Term Value
The SIEMENS UAC:FN3440132118E2FAJXX offers significant long-term value through enhanced equipment reliability and reduced energy waste associated with harmonic distortion. While this specific unit is rated for 132 kW, Siemens and Schaffner offer a comprehensive range of harmonic filters. This allows for system expansion by selecting appropriately sized filters for additional VSDs or upgrading to higher-capacity solutions if power requirements increase. Its robust design ensures a long operational lifespan, minimizing the need for frequent replacements and contributing to lower total cost of ownership.
Frequently Asked Questions
What is the primary function of the SIEMENS UAC:FN3440132118E2FAJXX?
This line harmonic filter's main role is to reduce harmonic distortion in power systems. It protects variable speed drives and motors from damaging harmonic currents, ensuring cleaner power.
It works by attenuating unwanted harmonic frequencies generated by non-linear loads like VSDs. This improves overall power quality and system efficiency.
By minimizing harmonic distortion, it prevents equipment malfunction, reduces energy losses, and extends the operational life of electrical components.
What are the key technical specifications for this Schaffner filter?
The filter is rated for 132 kW of power at 400V and 50 Hz. Its product code is SIEMENS UAC:FN3440132118E2FAJXX.
It is designed as a line harmonic filter, crucial for applications involving variable speed drives in industrial settings.
Typical specifications include a robust build for industrial environments, often with an IP20 protection class and natural convection cooling.
In which industrial applications is this filter commonly used?
It is widely applied in variable speed drive (VSD) systems for pumps, fans, and compressors in HVAC and industrial processes.
Manufacturing facilities utilize it for conveyor belts, material handling, and automated machinery to ensure consistent operation.
The filter is also vital in food processing, pharmaceuticals, and water treatment plants where reliable power quality is critical.
How is the SIEMENS UAC:FN3440132118E2FAJXX installed in a system?
Installation typically involves connecting the filter between the VSD output and the motor terminals.
It is recommended to mount the filter as close as possible to the VSD for optimal harmonic attenuation. Proper grounding is essential.
Ensure all power connections are secure and torqued according to manufacturer guidelines to maintain electrical integrity.
What are the benefits of using this specific Schaffner harmonic filter?
The filter significantly reduces total harmonic distortion (THDi), ensuring compliance with power quality standards like IEEE 519.
It enhances the reliability and lifespan of connected equipment, particularly variable speed drives and motors, by mitigating electrical stress.
The compact design and high efficiency of this filter contribute to operational cost savings and suitability for space-constrained installations.
Does this filter require any external power or configuration?
No, the SIEMENS UAC:FN3440132118E2FAJXX is a passive filter. It does not require any external power supply to operate.
Its operation is based on passive electrical components that naturally attenuate harmonic currents. Configuration is typically not needed.
The filter is designed for straightforward integration into existing electrical circuits without complex setup procedures.
What happens if the filter is operated beyond its 132 kW rating?
Operating the filter above its 132 kW power rating can lead to overheating of internal components. This significantly reduces its lifespan.
Excessive current can cause premature failure of the filter's passive elements, potentially leading to an open circuit or other electrical faults.
Such operation can also stress the connected VSD and motor, potentially causing damage to these components as well.
Is this filter compatible with all types of variable speed drives?
Yes, this Schaffner filter is designed for broad compatibility with most industrial variable speed drives operating at 400V.
Its primary function is to condition the output waveform from the VSD, making it suitable for a wide range of motor types.
Always verify that the VSD's output current and voltage characteristics align with the filter's specifications for optimal performance.
What is the typical lifespan of the SIEMENS UAC:FN3440132118E2FAJXX?
With proper installation and operation within its rated parameters, the filter typically offers a long operational lifespan.
Its robust industrial design and high-quality components are built for durability in demanding environments.
Reduced stress on connected equipment due to lower harmonics also indirectly contributes to the overall longevity of the electrical system.
Can this filter be used with older motor control systems?
The filter is primarily designed for modern variable speed drives that generate significant harmonics. Its effectiveness may vary with older, fixed-speed motor systems.
It can be beneficial if an older system experiences power quality issues attributable to non-linear loads or harmonics present on the supply line.
However, careful analysis of the specific system's harmonic profile and compatibility is recommended before integrating with legacy equipment.