EconiQ® Live Tank Circuit Breaker – LTA
The eco-efficient Live Tank Circuit Breakers LTA utilize game-changing technology as an alternative to SF6.
The EconiQ LTA circuit breaker uses the same design as Hitachi Energy’s well-proven SF6-based Live Tank Circuit Breaker product range. It provides our customers with the highest reliability and the same product footprint while lowering the environmental impact.
EconiQ LTA operates with an eco-efficient CO2 and O2 gas mixture, which significantly reduces 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.
Applications
- Line and cable switching
- Transformer switching
- Reactor switching
- Capacitor bank switching
Why Hitachi Energy?
- The eco-efficient LTA 72.5 kV and LTA 145 kV are also available as a Disconnecting Circuit Breaker, where the disconnecting function is integrated into the breaker
- A future-proof solution to comply with environmental regulation changes
- Based on the well-proven high-voltage breaker technology of Hitachi Energy
Brief performance data
| EconiQ Live Tank Circuit Breaker – LTA | LTA 72.5D1 | LTA 145D1 | LTA 420F2 |
|---|---|---|---|
| Rated voltage [kV] | 72.5 | 145 | 420 |
| Rated continuous current [A] | 2750 | 3150 | 5000 |
| Rated short-circuit breaking current [kA] | 31.5 | 40 | 63 |
| Ambient temperature [°C] | -50 / +40 | -50 / +50 | -50 / +40 |
The data are not limiting values. Additional data on request.
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