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Isolation Transformer

LQHIT 10KVA Isolation Transformer: 400V Oil-Immersed with Electrostatic Shielding

LQHIT 10KVA oil-immersed isolation transformer with electrostatic shielding reduces partial discharge interference. 400V input/output, 8% impedance voltage.


  • US$ 1,312.00
  • Lead time: 30 days

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Product Details

Product Tags

LQHIT 10KVA/400V Oil-Immersed Isolation Transformer with Electrostatic Shielding

Critical Noise Suppression for Sensitive Systems

This oil-immersed isolation transformer delivers clean power by eliminating ground loops and suppressing electromagnetic interference (EMI). The integrated electrostatic shield between HV/LV windings blocks high-frequency noise that compromises precision measurement systems, reducing partial discharge interference by up to 40dB.

Core Technical Specifications

ParameterSpecification
Rated Capacity10 kVA
Input Voltage400V AC (Single Phase)
Output Voltage400V AC (Single Phase)
Rated Current25A
Impedance Voltage8%
Insulation MediumMineral Oil (IEC 60296)

Engineering Advantages

Double-Winding Isolation

Separate HV/LV coils prevent capacitive coupling, achieving >5kV isolation resistance for complete galvanic separation.

Electrostatic Shielding

Triple-layer Faraday cage between windings attenuates common-mode noise above 10kHz, critical for partial discharge measurement accuracy.

Oil-Immersed Construction

Dissipates heat 3x faster than dry-types, maintaining stable operation at 100% load with 55°C max temperature rise.

Industrial Applications

  • High-Voltage Test Labs: Isolate PD measurement circuits from grid-borne disturbances

  • Medical Imaging Facilities: Protect MRI/PET scanners from power quality issues

  • Industrial Automation: Shield PLCs and servo drives from transient spikes

Compliance & Safety

Meets IEC 61558-2-4 safety standards for isolation transformers. Oil-filled enclosure provides IP54 protection against contaminants. Includes over-temperature cutoffs and pressure-relief diaphragm.

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