LELHK11-1-52-30.0-01-V

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Circuit breakers are essential components in the electrical power delivery systems of modern life. They operate to protect electrical systems, and the people in them, from potential danger caused by surges in current, from short circuits, and from overloads. The LELHK11-1-52-30.0-01-V is a type of circuit breaker designed to work with the 500kW, 1800RPM 2800V alternator that is part of a gas turbine electrical generation system.

This particular circuit breaker contains a fault-sensitive electromagnetic mechanism that triggers an electromagnetically-charged bridging element to be released in order to break the current between two contacts and thus interrupt the flow of electricity in order to protect the system against short circuits, overcurrents, and overloads. This device is designed to operate as an auto-reset circuit breaker, meaning that once a fault is detected the breaker will automatically reset itself after the fault is cleared. This allows the system to continue to operate without manual intervention.

The LELHK11-1-52-30.0-01-V circuit breakers are primarily used for protection of turbine generators, turbines, pumps, and motors that typically operate with high voltage and high amperage. They are also commonly used in emergency power systems, which require the rapid tripping of current in order to protect the system, and in switchgear systems to protect against over-heating and fire. They can also be zoned within systems to aid in targeted protection of particular sections of the system.

The LELHK11-1-52-30.0-01-V circuit breaker is a miniature snap switch device with two small current-sensing components that are sensitive to both short circuits and overloads. In an overload situation the sensing components detect the increased current flow and the increased temperature of the wires and trigger the breaker to trip, breaking the current flow. This occurs in milliseconds. When a short circuit is detected, the sensing element monitors the voltage across the contacts and if this is determined to be excessive due to a fault in the system, the breaker will immediately open the contacts and break the flow of current.

The LELHK11-1-52-30.0-01-V provides a cost-effective solution to overcurrent fault protection of both the turbine generators and the motor systems. The robust design prevents damage to the system, and the possibility of a catastrophic failure, by providing an efficient and reliable protection mechanism. Additionally, the auto-reset functionality of the LELHK11-1-52-30.0-01-V allows the system to be back up and running quickly and reliably once the fault is cleared.

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