SIEMENS UAC:FN3440200118E2FAJXX Schaffner Line Harmonic Filter 200 kW 400V 50 Hz
The SIEMENS UAC:FN3440200118E2FAJXX Schaffner Line Harmonic Filter is a critical component for modern industrial power systems, engineered to mitigate harmonic distortion and ensure optimal equipment performance. This 200 kW, 400V, 50 Hz filter provides essential protection against the detrimental effects of non-linear loads, safeguarding sensitive machinery and improving overall power quality. Its robust design and advanced filtering capabilities make it an indispensable solution for a wide range of industrial applications demanding reliable and clean power. The filter is designed to significantly reduce current harmonics, ensuring compliance with international power quality standards such as IEEE 519. This proactive approach prevents overheating, reduces energy losses, and extends the lifespan of connected equipment, including motors, transformers, and switchgear.
Product Specifications
| Parameter | Value |
| :---------------------- | :-------------------- |
| Product Type | Line Harmonic Filter |
| Manufacturer | Schaffner (Siemens) |
| Model Number | UAC:FN3440200118E2FAJXX |
| Rated Power | 200 kW |
| Rated Voltage | 400 V |
| Rated Frequency | 50 Hz |
| Harmonic Reduction | High |
| Approvals/Certifications | (Specific to model, generally CE, UL) |
| Protection Class | IP20 (Typical) |
| Operating Temperature | -25°C to +55°C (Typical) |
Core Features & Market Positioning
The SIEMENS UAC:FN3440200118E2FAJXX Schaffner Line Harmonic Filter stands out due to its superior harmonic attenuation capabilities, exceeding industry benchmarks for power quality improvement. It offers a compact footprint for its power rating, facilitating easier integration into existing or new control panels and drive systems. Its passive design eliminates the need for active components, translating to enhanced reliability and reduced maintenance requirements compared to active filters. This positions the Schaffner filter as a cost-effective and robust solution for industries facing stringent harmonic distortion limits and seeking long-term operational stability. The filter's ability to attenuate up to the 5th harmonic is a key differentiator, providing significant protection for variable frequency drives (VFDs) and other non-linear loads.
Key Application Scenarios
This SIEMENS UAC:FN3440200118E2FAJXX Schaffner filter is ideally suited for applications involving variable frequency drives (VFDs), such as those found in pump and fan control, conveyor systems, and HVAC applications. It is also critical in manufacturing plants with numerous non-linear loads, including those employing rectifiers, inverters, and switched-mode power supplies. Protecting sensitive electronic equipment in data centers, telecommunication facilities, and medical institutions from harmonic-induced malfunctions is another primary use case. The filter ensures compliance with grid codes and prevents issues like nuisance tripping of circuit breakers and premature failure of sensitive electronics.
Practical System Integration Guidance
Integrating the SIEMENS UAC:FN3440200118E2FAJXX Schaffner filter into a system is straightforward, typically involving series connection between the power source and the load (e.g., a VFD). Ensure proper termination of input and output power cables to the designated terminals, paying close attention to torque specifications to prevent loose connections. The filter should be installed in a well-ventilated enclosure to maintain optimal operating temperatures. Grounding is crucial; ensure the filter's grounding terminal is securely connected to the system ground. For systems with multiple filters, ensure adequate spacing for heat dissipation.
Operation and Risk Mitigation
The Schaffner filter operates passively, requiring no user configuration or programming. Its primary function is to absorb and dissipate harmonic currents, thereby presenting a cleaner sinusoidal current waveform to the power supply. While the filter itself is highly reliable, risks can be mitigated by ensuring it is correctly sized for the connected load and that the ambient operating temperature does not exceed its specifications. Overloading the filter or installing it in an inadequately ventilated space can lead to overheating and premature failure. Regular visual inspection for physical damage or signs of overheating is recommended.
Scalability & Long-Term Value
The SIEMENS UAC:FN3440200118E2FAJXX Schaffner Line Harmonic Filter offers excellent long-term value by significantly extending the operational life of connected equipment and reducing energy consumption through improved power factor. While the filter itself is not directly scalable in terms of its internal components, system scalability can be achieved by paralleling identical filters or by selecting larger capacity filters for future expansions, provided the power source can support the increased load. Its passive nature ensures compatibility with a wide range of VFDs and electrical systems, making it a future-proof investment in power quality. Integration with IIoT solutions would typically be achieved through the connected VFD or power monitoring equipment.
Frequently Asked Questions
What is the primary function of the SIEMENS UAC:FN3440200118E2FAJXX Schaffner filter?
This filter's main job is to reduce harmonic distortion in electrical systems. It smooths out current waveforms from non-linear loads. This protects equipment and ensures system efficiency.
It achieves this by absorbing unwanted harmonic frequencies generated by devices like VFDs. The result is a cleaner power supply. This compliance helps meet grid regulations.
Its passive design means it's reliable and requires minimal maintenance. This makes it a stable solution for industrial power quality.
How do I correctly install the SIEMENS UAC:FN3440200118E2FAJXX Schaffner filter?
Install the filter in series between the power source and the load. Ensure all power connections are secure and torqued properly. Proper grounding is essential for safety and performance.
Mount the filter in a well-ventilated area to prevent overheating. Avoid obstructions around the unit for efficient heat dissipation. Follow manufacturer guidelines for wiring and clearances.
Check all connections visually before energizing the system. Incorrect installation can lead to poor performance or damage. Consult the installation manual for detailed instructions.
What are the benefits of using the SIEMENS UAC:FN3440200118E2FAJXX Schaffner filter in my application?
It significantly improves power quality by reducing harmonic distortion. This extends the lifespan of connected equipment like motors and drives. It also prevents nuisance tripping of circuit breakers.
Using this filter leads to reduced energy losses and improved power factor. This can translate into lower electricity bills. It also ensures compliance with international power quality standards.
The filter's robust, passive design offers high reliability and low maintenance. This minimizes downtime and operational costs.
Can this filter be used with any VFD?
The SIEMENS UAC:FN3440200118E2FAJXX Schaffner filter is designed to be compatible with most standard VFDs. Its 200 kW rating and 400V specification match common industrial drive sizes. Always verify specific VFD harmonic current requirements.
Check the VFD manufacturer's recommendations for harmonic filtering. The filter's impedance characteristics are optimized for typical VFD loads. Ensure the VFD's output current does not exceed the filter's rating.
Consulting both the filter and VFD datasheets is advisable for confirmed compatibility. This ensures optimal performance and protection.
What is the typical harmonic reduction performance of this filter?
This Schaffner filter effectively reduces current harmonics, often meeting IEEE 519 standards. It is particularly effective at attenuating lower-order harmonics, up to the 5th. This significantly cleans the current waveform drawn from the supply.
The filter's performance depends on the load's harmonic spectrum. It is designed to address common harmonic issues from VFDs and other non-linear loads. Expect substantial reductions in total harmonic current (THC).
Specific reduction percentages vary but are substantial enough to prevent most common power quality problems. This ensures equipment reliability and grid compliance.
Is the SIEMENS UAC:FN3440200118E2FAJXX filter active or passive?
This Schaffner filter is a passive harmonic filter. It utilizes inductors and capacitors to create resonant circuits. These circuits effectively filter out harmonic currents without requiring active electronic components.
Passive filters are known for their robustness, simplicity, and reliability. They do not require external power to operate. Their maintenance needs are minimal compared to active filters.
The passive design also contributes to a lower initial cost and a longer operational lifespan. This makes it a very cost-effective solution for harmonic mitigation.
What kind of maintenance does this filter require?
This Schaffner filter is a passive device and generally requires very little maintenance. The primary recommendation is periodic visual inspection for any signs of damage or overheating. Ensure all electrical connections remain tight.
Keep the filter clean from dust and debris, which can impede ventilation. If installed in a harsh environment, more frequent cleaning might be necessary. Check that cooling vents are not obstructed.
No internal adjustments or calibrations are typically needed. If a fault is suspected, it is usually due to external factors or component failure, requiring professional assessment.
What happens if the SIEMENS UAC:FN3440200118E2FAJXX filter fails?
If the filter fails, the connected load will be exposed to unfiltered harmonic distortion. This can lead to increased motor heating, reduced efficiency, and potential premature failure of the load equipment. VFDs may experience overcurrent or overheating faults.
System performance may degrade, with issues like flickering lights or erratic operation of sensitive electronics. Circuit breakers might trip more frequently due to increased current or voltage spikes. Power factor will likely worsen.
A failed filter may show signs like audible noise, excessive heat, or a visible burnt component. It should be immediately de-energized and inspected by qualified personnel.
Can I use this filter for multiple VFDs?
Yes, you can use the SIEMENS UAC:FN3440200118E2FAJXX Schaffner filter for multiple VFDs if their combined power rating does not exceed the filter's 200 kW capacity. Ensure the VFDs are connected in a way that the filter sees their aggregate load. Verify that the total current drawn does not exceed the filter's continuous current rating.
Consider the phase interactions and harmonic profiles of multiple VFDs when paralleling. It is crucial that the filter is installed upstream of the combined VFD inputs. Consult the manufacturer's guidelines for multi-load applications.
For complex multi-drive systems, a detailed power system study is recommended to ensure optimal filter performance and protection for all connected VFDs. This prevents unforeseen harmonic interactions.
What is the warranty period for this Schaffner filter?
Warranty periods can vary by region and supplier. Typically, industrial electronic components like this filter come with a standard warranty of one to two years. It is best to confirm the exact warranty terms with your specific distributor or Siemens.
The warranty generally covers manufacturing defects. It does not typically cover damage caused by improper installation, electrical surges, or exceeding operational limits. Proper installation and operation are key to maintaining warranty validity.
Always retain your proof of purchase and any installation records. If a warranty claim is necessary, you will need to provide this documentation to the supplier or manufacturer.
