Live Tank Circuit Breaker LTB D 72.5 – 170 kV
Protecting more networks than any other high-voltage breaker
The LTB D is suitable for breaking current up to 40 kA, with fast interruption for maximum power system stability. It is configurable for all applications and environments.
The LTB D is designed and type tested in accordance with international standards IEC and IEEE.
LTB D is also available as a Disconnecting Circuit Breaker where the disconnecting function is integrated in the breaker.
Applications
Line, transformer, reactor and capacitor switching
Switching of harmonic filters
Low frequency railway applications
Why Hitachi Energy?
Compact design and easy installation
High mechanical and electrical endurance
Low failure rate
High seismic capability
Proven performance in both high and low temperatures
Low environmental impact
Meets a large variety of challenging requirements
Available with polymeric insulators for higher reliability and availability
Global service organization, local everywhere
Brief performance data
| LTB Type | LTB D | |
|---|---|---|
| Rated voltage | kV | 72.5 - 170 |
| Frequency | Hz | 50/60 |
| Rated continuous current | A | up to 3150* |
| Rated short circuit breaking current | kA | 40 |
* Standard values as per IEC. Additional data on request
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