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>200kVA Range

LQLVF 300kVA/2X500A Power Noise Filter | 18kV Insulation EMI Solution for Switchgear

300kVA dual-circuit noise filter with 500A rating and exceptional 18kV insulation. <10pC partial discharge for 0.6kV switchgear applications.


  • US$ 4,994.00
  • Lead time: 30 days

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Product Details

Product Tags

LQLVF 300kVA/2X500A Power Noise Filter: Premium EMI Suppression with 18kV Insulation

Exceptional Insulation Performance

Engineered for maximum electrical protection in demanding environments:

  • 18kV/1min dielectric withstand capability

  • Exceeds IEC 60664 insulation requirements by 300%

  • Creepage distance: ≥35mm/kV

  • Partial discharge inception voltage >10kV

  • Corona-free design up to 1.5× rated voltage

Technical Specifications

ParameterSpecification
Rated Capacity300kVA
Rated Voltage0.6kV
Current Rating2 × 500A (1000A total)
Frequency60Hz
Quality Factor>70
Partial DischargeBackground noise <10pC
Insulation Level18kV/1min withstand
Continuous Operation60 min at 100% rated load
Weight260kg (robust construction)
InstallationSub-stage switchgear cabinet

High-Current Dual-Circuit Design

Robust engineering for industrial power applications:

  • 1000A total current capacity (2×500A)

  • Low-impedance copper busbar design (≤0.06mΩ)

  • Copper windings with 200% short-circuit withstand

  • Dynamic response time <5ms

  • Parallel operation capability

Premium Attenuation Performance

Optimized EMI suppression for sensitive equipment:

  • 40KHz-100KHz: >40dB attenuation

  • 100KHz-1MHz: >60dB attenuation

  • Multi-stage LC filtering topology

  • Harmonic resonance damping technology

  • Frequency-stable performance (±0.8% across load range)

Switchgear Integration Design

Optimized for substation cabinet installations:

  • Heavy-duty 260kg construction for vibration resistance

  • Standardized mounting points for retrofitting

  • Front-access terminals with safety disconnects

  • Thermal management for enclosed spaces

  • HV cable entry points compatible with standard gland plates

Industrial Applications

Ideal for critical 0.6kV systems in:

  • Industrial substation switchgear

  • Utility power distribution systems

  • High-reliability data center PDUs

  • Renewable energy converter stations

  • Industrial process control centers

  • High-voltage test laboratories

Advanced Safety Systems

Engineered for maximum protection:

  • Arc-resistant containment chambers

  • Class H insulation system (180°C rating)

  • Surge protection (30kV/20μs withstand)

  • Ground fault monitoring with isolated relays

  • Automatic discharge circuits

  • IP55-rated enclosure for harsh environments

Installation & Maintenance Protocol

Ensure optimal performance in switchgear applications:

  1. Verify cabinet dimensions ≥700×600×900mm (W×D×H)

  2. Use silicone-insulated cable (20kV rating minimum)

  3. Maintain minimum 150mm clearance to grounded surfaces

  4. Torque HV terminals to 100 N·m ±3%

  5. Perform quarterly partial discharge scans

  6. Test insulation resistance annually (≥1000MΩ at 10kV DC)

  7. Monitor attenuation performance every 24 months

Compliance & Standards

Exceeds international requirements including:

  • IEC 62271-200 for AC metal-enclosed switchgear

  • IEEE C57.12.00 liquid-immersed equipment

  • EN 50522 earthing of power installations

  • IEC 60076-16 power reactor standards

  • ANSI/IEEE C57.12.90 test code

  • IEC 61000-3-12 harmonic emissions

For switchgear integration guides or custom high-voltage solutions, contact our specialized engineering team. Performance validated per IEC 60270 partial discharge standards.

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