RHM International, LLC

Innovative High Reliability High Voltage Equipment for the Power Grid

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    • RHM International current transformer typesCurrent Transformers
      • LRGBJ Series – up to 550kV
      • LRGBJ-ZH Cascade Series – above 220kV
      • LRGBJ – ZHD Series for High Currents
      • GDGL Optical/Electronic Series
      • Shunt Capacitor Bank Applications
    • Dry Insulation high voltage transformer bushings by RHM InternationalTransformer Bushings
      • RIF® – FGRBW Tough Series
      • Cascade RIF® for EHV Applications
      • Built-In Insulation Monitoring
    • RHM International high voltage wall bushingsWall Bushings – Special Bushings
      • STB Wall Bushings Specifications
      • STB-L Series: Wall Bushing with CT
      • Special Bushings — Custom Designs
    • cable termination by RHM InternationalHV DRY TYPE OUTDOOR CABLE TERMINATOR
      • Cable Terminator
    • Electronic Combined Voltage and Current Transformer REVCT35-1000 Series 35 kV – 1000 kV by RHM InternationalIEC 61850 Ready and NCITs
      • BIIT™ HV MEASUREMENT BUSHING
      • Optical/Electronic Current Transformer
      • Electronic Combined VT and CT
      • Smart Monitoring
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    • Company Advantages
      • Shorter Lead Time
      • Custom Designs
      • Testing Capabilities
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    • Product Benefits
      • Outstanding Performance
      • No Maintenance
      • No Explosions
      • Easy Storage
      • Environmentally Friendly
      • Longer Life & Higher ROI
      • Sustained Higher Performance
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  • Technology
    • 1Our Technologies
      • HV DryShield® for CT’s & Wall Bushings
      • RIF® Insulation for Transformer Bushings & Cable Terminators
    • smart-monitoringSmart Monitoring
      • Built-in Condition Monitoring
      • Bushing based Transformer PD Monitoring
    • The-Dry-Type-RIF-Bushing_The-New-Technology-in-HV-Bushings-1Publications
      • BIIT Bushings: Intelligent HV bushings w/ integrated low power voltage and current transformers
      • HV DryShield® – A dry type HV insulation system for extreme environments
      • RIF ® bushings The paperless, dry-type bushing technology
      • The Dry Type RIF ® Bushing: New Technology in HV Bushings
      • Advances in Bushings Technology – Integrated Monitoring Systems
    • 3Product Specification Sheets
      • Current Transformers
      • Wall Bushings
      • IEEE Bushings
      • IEC Bushings
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Expertise & Assistance

Our engineering includes talented young and senior electrical engineers who have been in the industry for 40 years and who are familiar with most of the current solutions and designs international utilities are using today.

Consequently, our unique technologies derive from a deep knowledge of high voltage insulation in the areas of metering, protecting, and connecting power.

If you have unusual challenges in developing a new configuration, replacing outdated equipment without original specifications or developing new testing capabilities with high performance requirements, call us. We may be able to assist you in the definition of the relevant solution.

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