0-51865-14 RELIANCE

Reliance 0-51865-14 Filter Modules

Brand：RELIANCE Model number：0-51865-14

Country of origin: United States Product weight：0.55kg

HS code：9032899099

Product Details：

Product Dimensions：

In industrial control, filter modules are essential components designed to improve the quality, stability, and reliability of electrical signals and power supplies. They work by attenuating unwanted frequencies, noise, or disturbances that can interfere with the proper operation of sensitive electronic equipment.

Product Details

Functionality: Filter modules typically aim to suppress electromagnetic interference (EMI) or radio-frequency interference (RFI), voltage spikes, harmonics, and other electrical noise. This ensures that signals transmitted to and from control devices are clean and accurate, preventing erroneous readings, system malfunctions, and damage to equipment.
Types (Common Industrial Filter Modules):

EMI/RFI Filters: These are designed to reduce conducted and radiated electromagnetic noise on power lines and signal lines. They are crucial for meeting electromagnetic compatibility (EMC) standards.
RC Filters (Resistor-Capacitor Filters): Simple and common for attenuating high-frequency noise or for signal smoothing in analog circuits.
RLC Filters (Resistor-Inductor-Capacitor Filters): More complex and effective for precise frequency filtering, often used in power supplies or signal conditioning.
Active Filters: These use active electronic components (like operational amplifiers) to dynamically cancel out noise, often more effective than passive filters for complex noise profiles.
Surge Protection Devices (SPDs) / Transient Voltage Suppressors (TVS): While not strictly "filters," they protect against sudden, high-energy voltage spikes.
Line Filters / Mains Filters: Specifically designed for AC power lines to protect equipment from noise on the incoming power supply.
Signal Conditioning Modules with Filtering: Many analog I/O modules or specialized signal conditioning units incorporate built-in filtering to clean up sensor signals before they are digitized or processed.

Product Parameters (Typical for Industrial Filter Modules)

Filtering Type: EMI/RFI, Low-Pass, High-Pass, Band-Pass, Noise Suppression, Harmonic Reduction, etc.
Voltage Rating: Maximum operating voltage (e.g., 24V DC, 120V AC, 230V AC, 400V AC).
Current Rating: Maximum continuous current the module can handle (e.g., A, kA for surge suppressors).
Frequency Range: The range of frequencies the filter is designed to operate within or attenuate (e.g., DC to MHz, 50/60 Hz for mains filters).
Attenuation: The level of noise reduction provided, often specified in dB at specific frequencies.
Insertion Loss: The loss of desired signal strength introduced by the filter.
Impedance: Input and output impedance characteristics.
Response Time (for surge suppressors): How quickly the device reacts to a voltage transient.
Mounting: DIN rail mount, panel mount, PCB mount.
Operating Temperature: The ambient temperature range the module can withstand.
Certifications: UL, CE, RoHS, etc., indicating compliance with safety and environmental standards.

Product Advantages

Enhanced System Reliability: By reducing electrical noise, filter modules prevent erroneous operation, intermittent faults, and system crashes, leading to more stable and reliable control.
Equipment Protection: Protects sensitive electronic components from voltage spikes, surges, and other damaging electrical disturbances, extending equipment lifespan.
Improved Signal Integrity: Ensures that analog and digital signals are clean and accurate, leading to better measurement precision and control accuracy.
EMC Compliance: Helps industrial systems meet stringent electromagnetic compatibility (EMC) standards, which are often legally required.
Reduced Downtime: Prevents issues caused by electrical interference, thereby reducing costly system downtime and maintenance.
Cost-Effective: While an initial investment, filters can save significant costs by preventing equipment damage and production losses due to electrical noise.

Important Considerations

Noise Source and Characteristics: Identify the type and frequency range of the noise present in your system to select the most appropriate filter module.
Application Environment: Consider factors like temperature, humidity, vibration, and the presence of corrosive agents when selecting a filter's construction and IP rating.
System Voltage and Current: Ensure the filter module's ratings meet or exceed the electrical parameters of your application.
Insertion Loss and Signal Integrity: For signal filters, ensure the filter does not excessively attenuate the desired signal frequencies.
Grounding and Shielding: Proper grounding and shielding practices are crucial for the effectiveness of any filter module. An improperly grounded filter can be ineffective or even detrimental.
Physical Space and Mounting: Consider the physical dimensions and mounting requirements of the module within your control cabinet or machine.
Future Expansion: If your system is likely to expand, choose modular filter solutions that allow for easy addition of more filtering capacity.
Certification Requirements: Verify that the filter module has the necessary certifications for your specific industry or region.

Product Applications

Filter modules are ubiquitous in industrial settings where electrical noise and signal integrity are critical concerns.

Industrial Automation & Control:

Protecting PLCs, HMI panels, and industrial PCs from power line disturbances.
Filtering sensor signals (e.g., thermocouples, RTDs, pressure transducers) for accurate readings.
Noise suppression in motor control circuits, especially with variable frequency drives (VFDs).

Power Distribution & Management:

Filtering harmonics in power systems.
Protecting sensitive loads from utility power fluctuations.

Telecommunications & Data Networks:

Ensuring clean data transmission in industrial networks (Ethernet/IP, Profinet, etc.).

Test and Measurement Equipment:

Improving the accuracy of measurement devices by eliminating electrical noise.

Medical Equipment:

Ensuring reliable and safe operation of medical devices, often with stringent EMI/RFI requirements.

Renewable Energy Systems:

Filtering power quality issues in solar inverters and wind turbine control systems.

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