PKZM0-0.25 EATON

PKZM0-0.25 EATON Filter Modules

Product  Description：

EATON Filter Modules are designed to suppress electrical noise, often categorized as electromagnetic interference (EMI) or radio frequency interference (RFI), which can be introduced into power lines from switching devices, variable frequency drives (VFDs), power electronics, and external sources. These modules typically employ a combination of passive components, including capacitors, inductors (chokes), and resistors, arranged in sophisticated circuit topologies (such as $\pi$-filters or T-filters). Their primary function is to block unwanted high-frequency noise from passing into or out of sensitive equipment, thereby improving system reliability, reducing data errors, and complying with stringent international EMC (Electromagnetic Compatibility) standards. They are housed in robust enclosures suitable for panel mounting in industrial control cabinets.

Product Parameters

The specific parameters for EATON Filter Modules depend heavily on their intended application (e.g., motor drives, sensitive electronics, line protection) but generally include:

• Rated Voltage: Typically $250 \text{ V}_{\text{AC}}$ single-phase, or $480/690 \text{ V}_{\text{AC}}$ three-phase.

• Rated Current: Ranging from a few Amperes up to hundreds of Amperes, selected based on the load it services.

• Filter Attenuation: Specified in $\text{dB}$ (decibels) over a frequency range (e.g., $40 \text{ dB}$ at $1 \text{ MHz}$), indicating its noise reduction capability.

• Leakage Current: A critical safety parameter, typically measured in $\text{mA}$ (milliamperes), especially for modules connected to earth ground.

• Frequency Range: Designed for standard power frequencies ($50/60 \text{ Hz}$) while actively suppressing noise in the $\text{kHz}$ to $\text{MHz}$ range.

• Protection Rating: Often IP20 or higher, indicating resistance to dust and moisture ingress.

• Harmonic Mitigation: For some specialized modules (harmonic filters), the ability to reduce Total Harmonic Distortion (THD) below specific IEEE or IEC limits.

Product Advantages

EATON Filter Modules provide several key advantages for power system integrity and equipment longevity. They offer superior electromagnetic compatibility (EMC), ensuring that automated systems and electronic devices operate without disruption caused by electrical noise, which is crucial for maintaining process reliability. By reducing high-frequency noise and voltage transients, they significantly extend the operational life of connected equipment, particularly power supplies and communication interfaces, by reducing thermal and electrical stress. The use of these filters helps systems achieve compliance with national and international EMC directives and standards, avoiding regulatory issues. Furthermore, their reliable noise suppression improves the quality and integrity of data signals within the control system, reducing communication errors.

Important Considerations (Precautions)

When implementing EATON Filter Modules, several precautions must be strictly followed. Proper grounding and bonding are paramount; the filter's metallic housing and output ground terminal must be connected to the system's protective earth via the shortest possible, low-impedance path to ensure effective noise shunting. Do not exceed the filter's rated current or voltage, as this can lead to overheating and component failure. Users must be aware of the filter's leakage current specification; high-leakage current filters may require special installation considerations or earth monitoring systems to comply with safety regulations. Installation should adhere to the manufacturer's wire routing guidelines, separating the noisy input lines from the clean output lines to prevent coupling of noise around the filter.

Product Applications

EATON Filter Modules are widely applied across various electrical and electronic environments. They are commonly used with Variable Frequency Drives (VFDs) and motor controllers to suppress the high-frequency switching noise generated by the drive's power electronics, protecting the motor and surrounding equipment. They are essential for sensitive electronic equipment, such as servers, industrial computers, measuring instruments, and control PLCs, to ensure data integrity and prevent operational glitches. Filter modules are integrated into medical equipment to meet stringent safety and noise immunity requirements. They are also employed in telecommunications equipment and uninterruptible power supplies (UPS) to maintain clean power output and input.

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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