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Viper®-HV provides revolutionary overcurrent protection from temporary faults on overhead lines.

  • Offers utilities better functionality on a pole without the cost of a substation
  • Highly reliable, maintenance-free, and cost-effective way to improve reliability and resiliency
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Viper®-HV provides ultimate flexibility by permitting multiple configurations.

Phase-over-phase

Staggered phase-over-phase

Crossarm

Horizontal

State of the art features include:

Easy Maintenance

Requiring no oil or SF6, the Viper®-HV eliminates the need for routine maintenance while improving personnel safety.

Enhanced Reliability

Current carrying is path protected from the environment, and the magnetic actuator is connected to the vacuum bottle, so no gears or motors are impacted by outside elements.

3-in-1 Device

Featuring a unique, compact design, the Viper-HV incorporates reclosing technology, current transformers, and voltage sensors in a single space-saving design.

Automation Ready

Viper®-HV provides faster fault isolation, restoration and reconfiguration capability – simplifying conversion for any future requirements.

Improved Safety

The vacuum interrupter and all other energized parts are sealed within solid-dielectric insulation, providing optimum operator safety and additional protection to prevent exposure to the environment and wildlife.