A single-phase filter is an electromagnetic interference suppression device designed for equipment operating on standard AC power lines. Installed at the power entry point, it attenuates both common-mode and differential-mode noise conducted along the live and neutral conductors. These filters protect sensitive electronics from incoming grid disturbances while preventing high-frequency switching noise generated internally from contaminating the power source. Essential for appliances, test equipment, and industrial controls, they ensure compliance with EMC regulations and maintain signal integrity in critical applications.

AC single phase 1-stage filters

AC single phase 2-stage filters

AC single phase 3-stage Filters

It is a specialized power conditioning component for industrial equipment operating on delta-configured three-phase power systems without a neutral wire. Motors, pumps, and CNC machines generate significant electrical noise during operation that can disrupt other equipment on the same network. These filters trap that interference at the source, allowing only clean power to flow between the facility supply and your machinery. They protect control systems from glitches, and ensure your industrial installations pass mandatory EMC testing without expensive system modifications or production delays.

AC 3-phase 3-line 1-stage filters

AC 3-phase 3-line 2-stage filters

AC 3-phase 3-line 3-stage filters

A three-phase 4-line filter is an electromagnetic interference suppression device engineered for wye-configured power systems that include a neutral conductor. Connecting across all four lines—L1, L2, L3, and N—it provides comprehensive attenuation of both common-mode and differential-mode noise across the entire power spectrum. These filters are essential for sophisticated industrial equipment, medical imaging systems, and data center infrastructure where neutral-referenced noise cancellation is critical. They ensure strict compliance with international EMC standards while maintaining power quality and preventing disruptive interference in sensitive electronic environments.

AC 3-phase 4-line 1-stage filters

AC 3-phase 4-line 2-stage filters

AC 3-phase 4-line 3-stage filters

IEC socket filter is a power inlet with built-in protection. It replaces the need for a separate external filter by combining the plug socket and the noise filter into one compact unit. Its job is two-fold: stop interference from the wall outlet disrupting your device, and stop noise from your device bothering other equipment nearby. This ensures stable operation, cleaner power delivery, and helps your products pass mandatory safety and EMC testing without requiring extra components or complex wiring.

Function enhanced IEC socket filters

IEC socket filters 

IEC socket filters with switch and two fuses

IEC socket filters with two fuses

IEC socket filters with one fuse

IEC socket filters with switch and one fuse

PV Inverter filters are critical components that clean the electricity produced by solar power systems. Solar inverters convert DC power from panels into AC power, but this process creates electrical "noise" and harmonics. PV filters remove these impurities, ensuring the output is clean, stable, and meets utility requirements. This prevents interference with nearby electronics, improves overall system efficiency, and helps solar installations pass grid interconnection approvals without delays or penalties.

AC PV inverter filters

DC PV inverter filters

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AC PV inverter filters

DC PV inverter filters