DH328NGK EATON

DH328NGK  EATON Filter Modules

Product  Description：

EATON Filter Modules are self-contained electronic components or assemblies that are inserted into an electrical circuit, typically at the power input stage. Their primary function is to attenuate electrical noise that is either propagating into the equipment from the mains power supply (common mode or differential mode noise) or noise that is generated by the equipment itself, such as from variable speed drives or switching power supplies. The modules typically employ a combination of passive components, including capacitors ($C$), inductors ($L$), and sometimes resistors ($R$), configured into $LC$ or $LCR$ networks. EMI/RFI filters, for example, are designed to create a high impedance path for noise frequencies while maintaining a low impedance path for the desired fundamental power frequency ($50 \text{ Hz}$ or $60 \text{ Hz}$).

Product Parameters

The specific parameters for EATON Filter Modules vary based on the type (e.g., single-phase, three-phase, chassis mount, terminal block mount) but typically include:

• Rated Voltage: Commonly $120/240 \text{ V}_{\text{AC}}$ for single-phase or $480/690 \text{ V}_{\text{AC}}$ for three-phase systems.

• Rated Current: Ranging from a few Amperes up to hundreds of Amperes, determining the load the filter can handle.

• Frequency: Standard operational frequency of $50 \text{ Hz}/60 \text{ Hz}$.

• Insertion Loss: Measured in decibels ($\text{dB}$) over a specified frequency range (e.g., $150 \text{ kHz}$ to $30 \text{ MHz}$), quantifying the filter's noise attenuation capability.

• Leakage Current: A critical safety parameter, especially for medical or household applications, often $<0.5 \text{ mA}$ or $<5 \text{ mA}$.

• Operating Temperature: Typically $-25^{\circ}\text{C}$ to $+85^{\circ}\text{C}$.

• IP Rating: The level of protection against ingress of solids and liquids.

Product Advantages

EATON Filter Modules offer significant advantages in industrial and commercial environments. Their use ensures compliance with international EMC standards (e.g., FCC, CE, CISPR), which is mandatory for most electrical equipment. By significantly reducing electrical noise and interference, they enhance the reliability and uptime of sensitive downstream electronics such as PLCs, computers, and measurement devices. They contribute to prolonging equipment lifespan by suppressing damaging voltage transients and spikes. For systems employing variable frequency drives (VFDs), specialized EATON modules mitigate harmonic distortion back into the power line, improving overall power quality. Their robust construction and high-quality components ensure long operational life under challenging industrial conditions.

Important Considerations (Precautions)

When installing and utilizing EATON Filter Modules, strict precautions are necessary to ensure performance and safety. The module must be properly rated for the system's operating voltage and current; oversizing or undersizing can compromise performance or lead to failure. Correct grounding is absolutely essential; the filter's ground terminal must be connected to a low-impedance earth ground to effectively divert noise and leakage current. The connecting wires between the filter and the protected equipment should be kept as short as possible to minimize the re-introduction of noise. Due to the internal capacitors, some filters may have a residual charge after power removal, requiring a brief waiting period before handling. Always adhere to the manufacturer's specific mounting and clearance instructions to prevent overheating and ensure optimal performance.

Product Applications

EATON Filter Modules are widely applied across various industries where power quality and EMC compliance are critical. They are extensively used in industrial machinery and control panels to protect PLCs and human-machine interfaces (HMIs) from VFD and motor noise. They are integral to medical equipment (e.g., imaging devices) where low leakage current and high reliability are paramount. In telecommunications and IT equipment, filters ensure the integrity of communication signals by suppressing network noise. They are also employed in power supplies for a variety of electronic devices and in test and measurement equipment to ensure accurate readings. Specialized harmonic filters are used in large-scale industrial motor applications to meet power quality regulations.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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