Single Phase Line Filter by VIIP Filter

Product Overview

1) Product overview

Product Features

- Single-phase AC EMI/EMC line filter (VIIP / weiaipu model VIP4-1B-25) designed to clean mains power and suppress conducted electromagnetic interference. Key electrical specs: 20 A current rating, 50/60 Hz operating frequency, withstands line-to-line 500 VDC. Operating temperature range: -25 °C to +85 °C.

Product Value

2) Product features

Product Advantages

- AC EMI power transfer function with stopband attenuation in the 20–100 dB range to remove AC noise.

Application Scenarios

- Low leakage current (

- Screw termination and screw mounting for simple, secure installation.

- Compact, durable construction suitable for harsh environments; packaged with manual and mounting screws (unit weight ~0.9 kg).

3) Product value

- Provides cleaner, more stable power to sensitive equipment, improving reliability and reducing malfunctions caused by conducted EMI.

- Low leakage and robust attenuation help meet EMC requirements and improve system efficiency and safety.

- Small MOQ, quick lead time (5–7 days) and steady weekly supply capability (≈2000 pcs/week) support rapid deployment and replacements.

4) Product advantages

- High attenuation performance (20–100 dB) across relevant frequency bands.

- Low leakage current and wide operating temperature for safer, long-lasting operation in demanding environments.

- Easy integration via screw terminals and mounting; minimal installation effort.

- Backed by VIIP’s quality control, global sales network, R&D partnerships, and after-sales technical support, repair and replacement services.

5) Application scenarios

- Energy storage systems and power electronics.

- Electrical cabinets and industrial electrical equipment requiring EMI suppression.

- General AC-powered systems where conducted noise must be reduced (control cabinets, inverters, chargers, test benches, and similar installations).