High Voltage Circuit Breakers

Powering solutions.

Boundary Electric supplies high-voltage circuit breakers for three-phase tripolar and monopolar applications up to 550 kV.

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Capabilities

Designed for reliability and minimal maintenance, these breakers operate on a 15-year, condition-based maintenance cycle. Each unit is type-tested by internationally recognized labs including KEMA and CESI, ensuring compliance with global performance standards. Typical lead times range from 28 to 42 weeks, depending on configuration.

 

  • Up to 550kV
  • Rated Current: 1,200 A to 6300 A
  • Short-Circuit Interrupting Current: 25 kA to 63 kA
  • Interrupting Medium: SF₆ gas or vacuum (application-specific)
  • Operation Type: Tripolar (three-phase) or monopolar
  • Insulation Medium: SF₆ gas or air (depending on design)
  • Installation Type: Outdoor or GIS (Gas-Insulated Switchgear)
  • Testing & Certification: Type tested per IEC/IEEE; KEMA and CESI certified
  • Maintenance Cycle: 15-year condition-based
  • Ambient Temperature Range: -40°C to +55°C (with tank heater)
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