LQLVF 120kVA/2×315.8A Power Noise Filter: High-Current EMI Suppression for Industrial Power Systems

Premium Broadband Noise Attenuation

Engineered for critical EMI suppression in industrial 0.38kV systems:

• 10KHz-100KHz range: >40dB attenuation

• 100KHz-1000KHz range: >60dB attenuation

• Extended low-frequency attenuation starting at 10kHz

• Verified per IEC 61000-4-7 measurement standards

Technical Specifications

High-Current Design Features

Robust engineering for demanding industrial applications:

• 315.8A continuous current rating

• Low-impedance busbar design (≤0.2mΩ)

• Copper windings with 150% overload capacity

• Short-circuit withstand: 30kA for 500ms

• Dynamic response time <5ms for load variations

Enhanced Low-Frequency Attenuation

Specialized performance for challenging EMI environments:

• Effective attenuation starting at 10kHz

• Harmonic resonance damping technology

• Frequency-stable reactors (±1% across load range)

• Core saturation protection during transients

• Multi-stage filtering topology

Industrial Applications

Ideal for 0.38kV systems in:

• Industrial motor control centers

• Large-scale HVAC power systems

• Manufacturing plant power distribution

• Data center backup power systems

• Plastic injection molding machinery

• Industrial furnace control systems

Compact Design for Easy Integration

Optimized for space-constrained installations:

• Standard industrial cabinet footprint

• Front-access terminals for maintenance

• Vibration-dampened mounting system

• Thermal management optimized for enclosed spaces

• Cable entry points compatible with 50mm knockouts

Installation & Maintenance Protocol

Ensure optimal performance with these guidelines:

1. Maintain minimum 100mm clearance for airflow

2. Use compression lugs rated for 400A connections

3. Verify torque values on power terminals (50 N·m)

4. Perform semi-annual insulation resistance tests

5. Monitor harmonic distortion levels quarterly

6. Conduct annual attenuation verification

Safety & Protection Systems

Engineered for reliable operation:

• Arc-resistant containment barriers

• Thermal overload protection (Class H insulation)

• Surge protection (10kV/20μs withstand)

• Ground fault monitoring

• IP54-rated enclosure for industrial environments

Compliance & Standards

Meets international requirements including:

• IEC 61000-3-12 harmonic emissions

• IEEE 519-2022 harmonic control

• EN 55011 Class A industrial equipment

• UL 1283 EMI filter safety standard

• RoHS 3 compliance

For high-current applications or technical datasheets, contact our engineering team. Performance validated per IEEE 1137-2018 test standards.