SIEMENS UAC:FN344075116E2FAJRX Schaffner Line Harmonic Filter 75 kW 400V 50 Hz

The SIEMENS UAC:FN344075116E2FAJRX Schaffner Line Harmonic Filter is a critical component for ensuring power quality and protecting sensitive electrical equipment in demanding industrial environments. This 75 kW, 400V, 50 Hz filter effectively mitigates harmonic distortion generated by variable speed drives (VSDs) and other non-linear loads, thereby preventing operational disruptions and extending equipment lifespan. Its robust design offers superior harmonic attenuation, ensuring compliance with international power quality standards. The Schaffner FN344075116E2FAJRX is engineered for high-efficiency operation, minimizing energy losses and contributing to overall system performance.

Product Specifications

| Parameter             | Value                     |

| :-------------------- | :------------------------ |

| Manufacturer          | SIEMENS / Schaffner       |

| Model Number          | UAC:FN344075116E2FAJRX    |

| Rated Power           | 75 kW                     |

| Rated Voltage         | 400 V AC                  |

| Rated Frequency       | 50 Hz                     |

| Harmonic Attenuation  | High                      |

| Application           | VSDs, Non-linear Loads    |

| Protection Class      | (Specific class to be confirmed via datasheet) |

| Operating Temperature | (Specific range to be confirmed via datasheet) |

| Dimensions            | (Specific dimensions to be confirmed via datasheet) |

| Weight                | (Specific weight to be confirmed via datasheet) |

Core Features & Market Positioning

The SIEMENS UAC:FN344075116E2FAJRX stands out due to its advanced passive filter topology, which provides exceptional attenuation of line harmonics without requiring active control circuitry. This translates to inherent reliability and minimal maintenance requirements, a significant advantage in continuous industrial operations. Its compact footprint, relative to its power rating, facilitates easier integration into existing electrical cabinets and control panels. Market positioning is strong in sectors demanding stringent power quality, such as manufacturing, water treatment, and critical infrastructure, where the cost of downtime far outweighs the investment in effective harmonic filtering. The Schaffner brand is synonymous with high-quality power components, reinforcing the product's value proposition.

Key Application Scenarios

This SIEMENS Schaffner line harmonic filter is ideally suited for applications involving variable speed drives (VSDs) powering pumps, fans, compressors, and conveyor systems. It is also highly effective in protecting sensitive automation equipment, PLCs, and control systems from the detrimental effects of harmonic distortion originating from other non-linear loads like rectifiers and switch-mode power supplies. Industries such as food and beverage processing, pharmaceuticals, automotive manufacturing, and chemical plants frequently rely on such solutions to maintain stable operations and prevent premature equipment failure. Deploying the FN344075116E2FAJRX ensures seamless integration with existing motor control centers (MCCs).

Practical System Integration Guidance

Integrating the SIEMENS UAC:FN344075116E2FAJRX is straightforward, typically involving series connection between the VSD input terminals and the power supply. Ensure proper grounding according to local electrical codes and the manufacturer's installation manual. The filter should be installed in a well-ventilated area to dissipate heat effectively. Verify that the supply voltage and frequency match the filter's specifications (400V, 50 Hz). All connections must be torqued to the recommended values to prevent electrical arcing and ensure optimal performance. The filter is designed to be robust and does not typically require complex commissioning procedures beyond correct electrical interfacing.

Operation and Risk Mitigation

Proper operation of the SIEMENS UAC:FN344075116E2FAJRX filter relies on adherence to its specified operating parameters. Avoid exceeding the 75 kW power rating or operating outside the 400V, 50 Hz range. Risk mitigation involves ensuring the filter is adequately protected from overcurrent conditions, typically by selecting appropriate upstream circuit breakers or fuses that are correctly sized. Regular visual inspection for any signs of overheating or physical damage is recommended. While this is a passive filter and inherently reliable, failure to maintain clean connections or operate within design limits could lead to reduced performance or component stress.

Scalability & Long-Term Value

The long-term value of the SIEMENS UAC:FN344075116E2FAJRX is significant, primarily through the protection it offers to downstream equipment, thereby reducing maintenance costs and unplanned downtime. Its passive design ensures a long operational lifespan with minimal degradation. While the FN344075116E2FAJRX is rated for a specific power output, scalability in larger systems can be achieved by deploying multiple units in parallel or selecting higher-rated filter models as power demands increase. Compatibility with modern industrial control systems and IIoT platforms is inherent, as it functions at the fundamental power level, ensuring seamless integration with digital monitoring and control architectures.

Frequently Asked Questions

What is the primary function of the SIEMENS UAC:FN344075116E2FAJRX?

The SIEMENS UAC:FN344075116E2FAJRX Schaffner filter primarily mitigates harmonic distortion in power systems. It is designed to reduce unwanted high-frequency currents generated by non-linear loads. This protection is crucial for maintaining system efficiency.

This filter ensures that the current drawn from the supply is closer to a pure sine wave. It protects sensitive equipment like VSDs and PLCs from damage. Compliance with power quality standards is also a key benefit.

By reducing harmonics, the filter prevents overheating of transformers and cables. It also minimizes nuisance tripping of protective devices. This leads to more reliable industrial operations.

What types of loads are best suited for this Schaffner harmonic filter?

This 75 kW filter is ideal for applications utilizing variable speed drives (VSDs). It effectively handles harmonics from motor control applications. Other non-linear loads will also benefit.

Loads like pumps, fans, and conveyors controlled by VSDs are primary targets. Process automation equipment and rectifiers also generate harmonics it can suppress. Power systems with sensitive electronics benefit greatly.

The filter's specifications make it suitable for industrial manufacturing. Sectors like water treatment and critical infrastructure can utilize its capabilities. It ensures stable power for essential machinery.

How is the SIEMENS UAC:FN344075116E2FAJRX installed in a typical system?

Installation involves connecting the filter in series with the load's power supply. It is placed between the incoming power and the VSD or other non-linear device. Proper grounding is essential for safety.

Ensure the filter is mounted in a location with adequate ventilation. This helps dissipate heat generated during operation. Torque all electrical connections according to manufacturer specifications.

Verify that the supply voltage and frequency match the filter's ratings before energizing. Correct wiring prevents damage and ensures optimal harmonic reduction performance. Follow all local electrical codes.