High Voltage Test Solutions
Persistently developing technology, improving quality, management, and service standards

150kV ~ 400kV

LQHDR 400KV/5KΩ/0.625A High-Voltage Protecting Resistor | 2kW Industrial Load Resistor

LQHDR 400KV/5KΩ protecting resistor for high-voltage testing. Features 2kW rated power, <5pC PD level, 80K max temperature rise. Complies with IEC 60273 standards.


  • US$ 2,952.00
  • Lead time: 30 days

>>>WhatsApp Communication<<<

Product Details

Product Tags

LQHDR 400KV/5KΩ High-Voltage Protecting Resistor

Industrial-grade load resistor for high-voltage test systems requiring precision protection and stability under extreme electrical stress.

Technical Specifications

ParameterValueStandard
Rated Voltage400KVIEC 60273
Resistance5.2kΩ ±1%IEC 60076
Rated Current0.625AIEC 60060
Rated Power2kW
Partial Discharge (PD)<5pC @ 400KVIEC 60270
Temperature Rise<80K @ full loadIEC 60505
Continuous Operation60 min @ 100% loadIEC 60076-14

Key Performance Features

  • Ultra-Low Partial Discharge: <5pC at rated voltage ensures measurement accuracy in sensitive HV tests

  • Thermal Stability: Max 80K temperature rise under continuous full-load operation

  • Precision Resistance: 5.2kΩ ±1% tolerance for consistent voltage division

  • Compact Design: Space-efficient 100×500×3000mm dimensions

  • Lightweight Construction: Under 25kg for easy installation and transport

Industrial Applications

High-Voltage Testing Systems

Provides critical protection for:

  • Transformer impulse testing

  • Cable fault detection systems

  • Switchgear dielectric verification

Research & Development

Essential for:

  • High-energy physics experiments

  • Renewable energy component testing

  • Power electronics development

Safety & Compliance

Designed to meet international standards for high-voltage equipment:

  • IEC 60273: Requirements for series resistors

  • IEC 60060: High-voltage test techniques

  • IEC 60270: Partial discharge measurements

  • CAT IV 400KV safety rating

Warning: Installation requires certified HV technicians with appropriate PPE.

Environmental Specifications

  • Operating Temp: -25°C to +55°C

  • Humidity: 0-85% non-condensing

  • Altitude: Up to 2000m ASL

  • Cooling: Natural convection (forced air optional)

>>>WhatsApp Communication<<<

>>>Click To Get Quote<<<

Leave Your Message

Leave Your Message