LEGBX66-37061-20-V Circuit Protection

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Circuit breakers, such as the LEGBX66-37061-20-V, are essential components of many electrical networks. They are designed to protect electrical systems from damage due to overcurrent and short circuit events. In order to understand the application field and working principle of the LEGBX66-37061-20-V, it is necessary to have a basic understanding of the functions of circuit breakers.

A circuit breaker is an electrical switch which is designed to automatically detect and control a variety of overcurrent conditions, such as a short circuit or an overload. Circuit breakers are essential to an electrical system for safety, as they can create a gap in the circuit and prevent any further buildup of a current. This is because they can trip and open the contact to interrupt the flow of electricity.

The working principle of the LEGBX66-37061-20-V is based on the same principles as any other circuit breaker. The device is composed of an electromagnet switch mechanism actuated by a snap-action mechanism. The electromagnet switch is a copper coil that is energized by a circuit current when an overcurrent or short circuit event occurs. This generates a force which is used to open the circuit breaker switch contacts and prevent any further buildup of current.

The application field for the LEGBX66-37061-20-V is broad, as it is suitable for the protection of a variety of electrical circuits, such as those in electronic equipment, motor circuits, and the protection of electric lines. It is also suitable for the protection of residential, commercial, and industrial applications. The device is also designed to be used in a variety of temperature ranges, and is UL approved for use in temperatures ranging from -40°F to +185°F (-40°C to +85°C).

The LEGBX66-37061-20-V also features a tripping time selectable between 0.1 and 200 seconds, a high interrupting capacity of up to 50kA, and can be used with currents up to 70A. Furthermore, it has a handle actuator which can be used to manually trip the breaker in the event of an emergency.

In conclusion, the LEGBX66-37061-20-V circuit breaker is an essential component for protecting electrical networks from overcurrent and short circuit events. Its application field is broad and it is suitable for a variety of residential, commercial, and industrial applications. Furthermore, the device is equipped with a highly efficient electromagnet snap-action switch mechanism, and features a selectable tripping time and a high interrupting capacity.

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