Product Overview

The LQLVF-500/2×166.6A power noise filter delivers advanced electromagnetic interference (EMI) suppression for 3kV industrial power systems. Engineered for direct integration into sub-stage switchgear cabinets, it ensures power quality compliance in critical 50Hz applications.

Technical Specifications

Performance Features

Superior Noise Suppression

Delivers industry-leading attenuation across critical frequency bands:

• 40+ dB reduction for medium-frequency harmonics (10-100kHz)

• 60+ dB suppression for high-frequency interference (100kHz-1MHz)

High-Efficiency Reactor

Filtering reactor with Q-factor >70 ensures minimal power loss while maintaining:

• Stable voltage regulation under load variations

• Compatibility with sensitive measurement equipment

Installation & Integration

• Designed for direct mounting in sub-stage switchgear cabinets

• Requires 150mm clearance for optimal ONAN cooling performance

• Operating temperature range: -30°C to +60°C (IEC 60068 compliant)

• Vertical mounting orientation required for proper oil circulation

Safety Compliance: Meets IEC 60664-1 insulation coordination standards for 3kV systems.

Industrial Applications

Ideal for EMI-sensitive environments including:

1. High-voltage testing laboratories

2. Utility transmission substations

3. Industrial process control systems

4. Renewable energy converter stations

Effectively protects precision instruments from harmonic distortion in 3kV power distribution networks.