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EconiQ™ Disconnecting Circuit Breaker LTA

The eco-efficient Disconnecting Circuit Breaker (DCB) utilizes a game-changing technology as an alternative to SF6.

The EconiQ DCB LTA combines the functionality of an eco-efficient circuit breaker and a disconnector in a single unit while reducing the footprint by up to 65 percent. This solution is suitable for both outdoor and indoor substation applications.

EconiQ DCB LTA is operating with an eco-efficient CO2-based gas mixture, which significantly reduce the CO2 equivalent emissions of the insulation medium compared to SF6 gas.

EconiQ is Hitachi Energy's eco-efficient portfolio for sustainability where products, services and solutions are proven to deliver exceptional environmental performance.


  • Line switching
  • Transformer switching

Why Hitachi Energy?

  • Our eco-efficient gas mixture significantly reduce the CO2 equivalent emissions of the insulation medium compared to SF6 gas
  • A future-proof solution to comply with environmental regulation changes
  • Based on well-proven Hitachi Energy's high-voltage breakers technology

Brief performance data

EconiQ Disconnecting Circuit Breaker LTA  
Rated voltage [kV] 72.5
Rated current [A] 2750
Rated breaking current [kA] 31.5
Ambient temperature [°C] -50  / +40

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