hv transmission equipment

Dead Tank Breakers

HICO offers a comprehensive range of dead tank circuit breakers designed for reliability, performance, and sustainability:

  • Voltage ratings from 72.5 kV to 800 kV
  • Short-circuit breaking currents up to 80 kA
  • Continuous current ratings up to 4000 A
  • Spring operating mechanism for reduced maintenance (on certain ratings)

HCSP Series for 72.5kV 40kA

Compact and reliable dead tank circuit breakers for distribution-level applications.

  • Voltage rating: 72.5 kV with 350 kV BIL
  • Interrupting current: 40 kA with 3-cycle interrupting time
  • Continuous current ratings: 2000/3000 A
  • Single-phase enclosed cast aluminum tanks
  • Spring operating mechanism for reliability

HCSP Series for 145 kV 40kA

High-performance SF6 gas-insulated circuit breakers for transmission substations.

  • Voltage rating: 145 kV with 650 kV BIL
  • Interrupting current: 40 kA with 3-cycle interrupting time
  • Continuous current ratings: 1200/2000/3000 A
  • Excellent arc-extinguishing performance
  • ASME pressure vessel certification

HCBH Series for 245 kV 50/63kA

Advanced high-voltage circuit breakers designed for critical power transmission applications.

  • Voltage rating: 245 kV with 900 kV BIL
  • Interrupting current: 50 kA or 63 kA with 3-cycle interrupting time
  • Continuous current ratings: 1200/2000/3000 A
  • Single-phase isolated steel or aluminum tanks
  • Reliable hydraulic operating mechanism

HCBP Series for 362 kV 50/63kA

Advanced high-voltage circuit breakers designed for critical power transmission applications.

  • Voltage rating: 362 kV with 1300 kV BIL
  • Interrupting current: 50 kA or 63 kA with 3-cycle interrupting time
  • Continuous current ratings: 2000/3000/4000 A
  • Single-phase isolated steel tanks
  • High quality, reliable pneumatic mechanism
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Pittsburgh, PA 15276

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