EN60947-1 SCHNEIDER

EN60947-1 SCHNEIDER Filter Modules

Product  Description：

Schneider Electric Filter Modules, commonly integrated within the Modicon PLC platforms and Altivar variable frequency drive (VFD) ecosystems, are high-performance electromagnetic and electrical conditioning devices. These modules are engineered to suppress electrical noise, electromagnetic interference (EMI), radio frequency interference (RFI), and harmonic distortions. By filtering out high-frequency transients and electrical pollution, they protect sensitive control electronics, maintain signal integrity across communication lines, and ensure compliance with strict international electromagnetic compatibility (EMC) standards.

Product Parameters

The technical configuration of a Schneider Electric Filter Module is defined by its attenuation performance and electrical ratings:

• Rated Operating Voltage: Supports standard industrial voltage ranges, typically from 24V DC for control-side filters up to 480V AC or 690V AC for three-phase power line filters.

• Current Carrying Capacity: Available in diverse ratings, ranging from 1 Ampere for low-voltage sensor line filters to several hundred Amperes for heavy-duty motor drive line filters.

• Attenuation Frequency Range: Designed to suppress high-frequency noise typically spanning from 10 kHz to 30 MHz, targeting both conducted and radiated emissions.

• Insertion Loss: High attenuation performance, often exceeding 40 decibels across critical noise frequency bands to ensure clean power delivery.

• Leakage Current: Engineered with low-leakage capacitor designs, maintaining leakage current within safe thresholds, typically under 3.5 milliamperes for standard industrial environments.

• Degree of Protection: Available in multiple form factors, ranging from IP20 open-chassis models for cabinet installation to fully encapsulated, high-protection units.

Product Advantages

Integrating Schneider Electric Filter Modules into an automation architecture provides critical performance and reliability benefits:

• Mitigation of Electromagnetic Interference: Prevents high-frequency switching noise generated by VFDs or heavy contactors from corrupting low-voltage PLC logic and analog sensor signals.

• Compliance with EMC Standards: Helps industrial machinery meet strict international EMC directives, such as CE, UL, and IEC 61800-3, which is essential for global market distribution.

• Prevention of Equipment Downtime: Eliminates random processor resets, communication packet drops, and sensor measurement drift caused by electrical transients on the common power bus.

• Extension of Component Lifespan: Reduces high-frequency stress on downstream electronic components and minimizes bearing currents in AC motors, preventing premature motor insulation failure.

• Compact and Modular Design: Available in space-saving form factors that mount directly onto standard DIN rails or match the footprint of Modicon controllers and Altivar drives for neat cabinet integration.

Product Applications

These filter modules are deployed across noise-sensitive environments and high-power industrial systems:

• Variable Frequency Drive Systems: Filtering the input or output lines of Altivar VFDs to prevent switching noise from propagating back into the factory grid or damaging motor windings.

• Precision Analog Instrumentation: Conditioning the power supply lines of weight transmitters, temperature sensors, and flow meters to ensure stable, noise-free measurements.

• Marine and Offshore Equipment: Ensuring electrical clean-power compliance in isolated vessel grids where high-power thrusters and control logic share the same limited power source.

• Semi-conductor and Electronics Manufacturing: Protecting high-precision positioning systems and optical inspection sensors from background electrical grid noise.

• Hospital and Laboratory Automation: Suppressing electromagnetic fields in automated fluid-handling and testing equipment to guarantee diagnostic accuracy.

Important Precautions

To ensure proper attenuation and prevent hardware damage or safety hazards, the following precautions must be implemented:

• Correct Grounding Architecture: The filter module must be connected to a low-impedance ground using a short, thick conductor. Poor grounding completely defeats the high-frequency attenuation capability of the filter.

• Separation of Input and Output Wiring: Never run the input (dirty) cables and output (clean) cables of the filter in the same wire duct. Electromagnetic coupling between parallel wires will bypass the filter entirely.

• Thermal Management: Power line filters generate heat during continuous high-load operation. Mount the module vertically and maintain the recommended clearances to ensure adequate natural convection cooling.

• Voltage and Current Limits: Never exceed the rated operational current or voltage of the filter. Sustained overcurrent will lead to magnetic saturation of the internal choke, reducing filtering efficiency and causing extreme overheating.

• Insulation Testing: Disconnect the filter module before performing high-voltage dielectric strength (Megger) tests on the system wiring, as the filter's internal surge suppression components can be damaged by testing voltages.

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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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.