LC2K0901E7 SCHNEIDER

LC2K0901E7 SCHNEIDER Filter Modules

Product  Description：

Schneider Electric Filter Modules, commonly deployed within the Altivar variable speed drive systems, Lexium servo solutions, and Modicon PLC architectures, are specialized electrical conditioning devices designed to suppress electromagnetic interference (EMI) and radio-frequency interference (RFI). These modules act as low-pass electrical filters that prevent high-frequency noise generated by fast-switching power electronics (such as IGBTs in drives) from bleeding back into the main power grid or disturbing adjacent sensitive control electronics. By maintaining power quality and signal integrity, Schneider filter modules ensure system compliance with international electromagnetic compatibility (EMC) standards.

Product Parameters

The technical baseline of a Schneider Electric Filter Module focuses on current handling, attenuation spectrum, and voltage tolerances:

• Nominal Operating Voltage: Broad voltage compatibility, supporting single-phase 100-240V AC, three-phase 200-480V AC, and high-power 575-690V AC industrial grids at 50/60 Hz.

• Rated Current Range: Available across a wide power spectrum, with continuous current ratings ranging from 1 Ampere for control signal lines up to several hundred Amperes for high-capacity motor drives.

• Insertion Loss and Attenuation: High attenuation capacity across the high-frequency spectrum, typically targeting the 150 kHz to 30 MHz range to meet Class A or Class B industrial EMC limits.

• Leakage Current Rating: Engineered with optimized capacitive circuits, maintaining earth leakage currents within safe boundaries while providing effective common-mode noise suppression.

• Phase and Line Configuration: Offered in single-phase, three-phase, and three-phase plus neutral configurations to match specific electrical grid topologies.

• Operating Temperature and Protection: Rated for continuous operation between -10°C and 50°C, typically housed in compact metal enclosures rated at IP20 for panel mounting.

Product Advantages

Integrating Schneider Electric Filter Modules into an automation cabinet provides crucial operational and compliance advantages:

• Global EMC Compliance: Enables drive systems and control equipment to satisfy stringent European Union EMC Directives (such as EN 61800-3) and international IEC standards without complex external engineering.

• Signal Protection for Control Systems: Prevents electrical noise from coupling into analog sensor signals, encoder feedback lines, and communication fieldbuses, eliminating erratic machine behavior.

• Extended Equipment Lifespan: Protects sensitive onboard electronic components from high-voltage line transients and high-frequency harmonics present on polluted industrial power grids.

• Optimized Footprint: Many Schneider filter modules feature a "side-by-side" or "footprint" mounting design, allowing variable speed drives or servo amplifiers to be mounted directly on top of or alongside the filter to save panel space.

• Reduced Radiated and Conducted Emissions: Significantly dampens both conducted emissions on power supply cables and radiated emissions from unshielded cabinet wiring.

Product Applications

These filter modules are indispensable across diverse industrial sectors where power quality and signal precision are vital:

• Automated Manufacturing and Motion Control: Protecting high-resolution encoder signals and multi-axis servo drives in packaging, CNC metalworking, and robotics systems.

• Building Automation and HVAC: Suppressing drive noise in commercial air handling units, chilled water pumps, and elevator control systems to prevent interference with building communication networks.

• Process Industries: Safeguarding sensitive instrumentation and DCS I/O modules in chemical, pharmaceutical, and water treatment facilities from power grid disturbances.

• Renewable Energy and Microgrids: Clean power conditioning for grid-tied solar inverters and battery energy storage converters.

• Semiconductor and Medical Production: Ensuring ultra-clean power environments where high-frequency electrical noise can ruin delicate manufacturing processes or diagnostic equipment.

Important Precautions

To guarantee safety and ensure effective noise suppression, the following guidelines must be followed:

• Earth Grounding Requirements: The filter module must be mounted on an unpainted, highly conductive metallic backplate, and the earth ground connection must be as short and thick as possible. High-frequency noise suppression relies entirely on a low-impedance path to earth ground.

• Cable Length Limits: Observe the maximum recommended motor cable lengths specified by Schneider Electric. Using excessively long motor cables increases capacitive line currents and may overload the filter module.

• High Leakage Current Warning: Due to internal line-to-ground capacitors, filter modules generate higher earth leakage currents than standard equipment. Ensure a permanent, protective high-integrity earth conductor is connected before applying power.

• Correct Wiring Orientation: Strictly observe the "Line" (input from grid) and "Load" (output to drive/device) terminal markings. Connecting a filter module in reverse will severely degrade its filtering performance and can result in internal component failure.

• Voltage Drop Considerations: Verify that the voltage drop across the filter at full rated current stays within acceptable limits to ensure the connected drive receives adequate supply voltage under heavy load conditions.

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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