0-49004 RELIANCE

Reliance 0-49004 Filter Modules

Brand：RELIANCE Model number：0-49004

Country of origin: United States Product weight：0.55kg

HS code：9032899099

Product Details：

Product Dimensions：

Reliance Filter Modules are designed to mitigate electrical noise and disturbances in power lines, which can negatively impact the performance and longevity of connected equipment, especially variable frequency drives (VFDs) and other sensitive electronics. These modules essentially "clean" the electrical supply, preventing interference from entering or leaving the system.

Functionality:

EMI/RFI Filtering (Electromagnetic Interference/Radio Frequency Interference): The primary function is to suppress unwanted high-frequency electrical noise (both conducted and radiated) that can interfere with the operation of electronic devices. This is crucial for meeting EMC (Electromagnetic Compatibility) standards.
Harmonic Mitigation: Some filter modules, particularly active filters, can reduce harmonic distortions in the power system. Harmonics are distortions in the pure sinusoidal waveform of AC power, caused by non-linear loads like VFDs, and can lead to increased losses, overheating, and equipment malfunction.
Voltage Fluctuation Damping: Filters can also help stabilize voltage by damping transient voltage spikes or sags.

Types:

Passive Filters: These are the most common type, constructed using passive components like inductors, capacitors, and resistors. They are designed to create electrical resonance at specific frequencies to attenuate unwanted noise. Examples include AC Mains Filters, which are often used with VFDs.
Active Filters: More advanced modules that use power electronics to actively inject a counter-current that cancels out harmonic distortions and other disturbances in real-time. They are more effective over a wider range of frequencies and load conditions.

Application-Specific Filters: Reliance (and current brands like ABB) would offer filters optimized for specific products like their GV3000 or SP500 series drives.

Product Parameters

Parameters for Reliance Filter Modules vary significantly based on their type (passive/active), capacity, and intended application:

Voltage Rating: The nominal operating voltage of the power line they are designed for (e.g., 230V AC, 400V AC, 460V AC, 500V AC).
Current Rating: The maximum continuous current the filter can handle (e.g., 10A, 38A, hundreds of amps for larger systems).
Frequency: Typically 50/60 Hz.
Drive Power Range Compatibility: For drive-specific filters, they are often rated for a certain horsepower (HP) range of the connected motor drive (e.g., 7.5-10 HP, 15-25 HP).
Filter Attenuation: The degree to which the filter reduces noise, often specified in dB over a frequency range.
Harmonic Reduction Capability (for Active Filters): The percentage reduction of Total Harmonic Distortion (THD) for current (THDi) and voltage (THDv).
Enclosure Rating: IP (Ingress Protection) rating indicating resistance to dust and water (e.g., IP21).
Dimensions and Weight: Physical size and weight vary significantly with capacity.
Efficiency: For active filters, the efficiency of their operation.
Standards Compliance: Compliance with international EMC standards like EN 61800-3 (for drives) and general EMC directives (e.g., CE-compliant).

Product Advantages

Improved Equipment Reliability: By reducing electrical noise and harmonics, filter modules help prevent premature failure and ensure stable operation of sensitive electronic equipment.
Enhanced System Performance: Clean power contributes to more precise control and optimal performance of motors, drives, and other automated systems.
EMC Compliance: Essential for meeting regulatory standards for electromagnetic compatibility, preventing interference with other electronic devices.
Reduced Energy Losses: Active harmonic filters can significantly reduce energy losses caused by harmonic currents, leading to energy savings.
Extended Equipment Lifespan: Less electrical stress on components can prolong the operational life of connected machinery.
Reduced Downtime: Mitigating power quality issues leads to fewer system faults and interruptions.
Cost Savings: By preventing equipment damage and improving energy efficiency, filters offer a quick return on investment.

Important Considerations

Application Matching: Select the correct filter type and rating for the specific application. For instance, a mains filter for a drive needs to match the drive's voltage and current/HP rating.
Load Type: The nature of the load (linear vs. non-linear) and the type of disturbances present in the system will dictate the appropriate filter technology (passive vs. active).
Installation Environment: Consider ambient temperature, humidity, and ventilation requirements for proper heat dissipation.
Wiring Practices: Correct wiring and grounding are critical for effective filter performance and safety. Long cable runs can negate filter benefits if not properly managed.
System Impedance: The filter's impedance characteristics must be compatible with the source and load impedance to avoid resonance issues.
Space Requirements: Consider the physical dimensions and mounting requirements of the filter module within the control cabinet or system.
Future Expansion: Plan for potential future expansion of the system and how it might impact harmonic levels or noise generation.

Product Applications

Reliance Filter Modules, particularly AC Mains Filters, are widely applied in industrial and commercial settings to improve power quality:

Variable Frequency Drive (VFD) Systems: Essential for reducing harmonics and EMI generated by VFDs, preventing interference with other sensitive equipment and meeting grid code requirements.
Industrial Machinery: Protecting PLCs, industrial computers, robotics, and other sensitive control electronics from power line disturbances.
HVAC Systems: Used with VFDs controlling large motors for fans and pumps in commercial buildings to improve energy efficiency and reduce electrical noise.
Water and Wastewater Treatment: Ensuring reliable operation of pumping stations and control systems where VFDs are frequently used.
Renewable Energy Systems: Protecting inverters and grid connection points in solar and wind power installations.
Data Centers: Ensuring clean power for critical IT infrastructure.
Medical Equipment: Crucial for sensitive medical devices that require a stable and noise-free power supply.

0-48675 RELIANCE

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