LELBXB1-1RS4-38434-30 Circuit Protection

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Circuit breakers are electrical devices that are used to protect an electrical circuit from overload or short circuit. They are designed to open an electrical circuit when the current load exceeds the maximum current the circuit is designed to handle. The LELBXB1-1RS4-38434-30 is a single-pole circuit breaker with a voltage rating of up to 240VAC and a current rating of up to 30A. It is a type 1 circuit breaker, designed to provide basic overload and short circuit protection for electrical circuits.

Application Field

The LELBXB1-1RS4-38434-30 circuit breaker is typically used in residential and light commercial applications, such as in panel boards, switchboards, and motor control centers, where it can provide protection for motors, lighting, and other smaller loads. In addition to its single-pole design, the breaker also offers features such as thermal magnetic trip elements, high interruption ratings, and high current interruption capacity.

Working Principle

The LELBXB1-1RS4-38434-30 circuit breaker is equipped with a thermal-magnetic trip element, which is designed to open the circuit in the event of an overload or short circuit. The thermal-magnetic trip element consists of a combination of a thermal switch and a magnetic switch. The thermal switch senses the temperature of the air passing through the circuit and trips if it detects an increase in temperature due to an overload. The magnetic switch senses the current flowing through the circuit and trips if it detects a surge in the current.

The trip element is also equipped with an adjustable trip setting. This trip setting is adjusted according to the rating of the circuit breaker and the amount of current it is designed to handle. When the trip setting is adjusted, it determines the amount of current the circuit breaker will allow before it trips. This setting ensures that the circuit breaker will trip before the current load exceeds the maximum current the circuit can handle.

In addition, the LELBXB1-1RS4-38434-30 circuit breaker is equipped with a manual trip handle. This manual trip handle allows the breaker to be manually operable, allowing it to be reset if the power to the circuit needs to be reactivated. The manual trip handle also allows the breaker to be manually operable in the event of a fault or other emergency situation.

The LELBXB1-1RS4-38434-30 circuit breaker also has a durability rating of 10. This rating indicates the number of operations, such as opening and closing, the circuit breaker can endure before it needs to be replaced. This rating also helps to ensure that the circuit breaker will provide reliable and long-lasting protection in even the most demanding applications.

Conclusion

The LELBXB1-1RS4-38434-30 circuit breaker is a single-pole circuit breaker with a voltage rating of up to 240VAC and a current rating of up to 30A. It is equipped with a thermal-magnetic trip element, a manual trip handle, and a durability rating of 10, making it suitable for both residential and light commercial applications. With its features, the LELBXB1-1RS4-38434-30 circuit breaker can provide reliable and long-lasting protection to protect electrical circuits from overload or short circuit.

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