APL11-8348-10

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Circuit breakers are devices in electrical systems designed to protect electrical components from damage due to excessive current, overload, or power surges. The APL11-8348-10 is an example of a circuit breaker, specifically designed for industrial applications. In this article, we will discuss the application field and working principle of the APL11-8348-10.

The APL11-8348-10 is designed for industrial applications such as motor control centers, low-voltage distribution panels, and other large-scale power systems. The device is designed to work with single or three-phase power supply up to 690V AC or 1,000V DC; making it well suited for a wide range of industrial applications.

The APL11-8348-10 has several features to protect both people and electrical components. The breaker is equipped with a thermal-magnetic trip unit which will trip when either the current exceeds the rated current of the breaker, or when the temperature of the breaker increases beyond a safe level. It also has a manual reset feature if the breaker trips due to an overload. This ensures that the breaker will not be reset until the underlying cause of the trip is fixed.

The APL11-8348-10 has a number of working principles which allow it to protect against the various types of current or overload it may encounter. The thermal-magnetic trip unit utilizes two different methods which react to change in current or temperature: thermal protection and magnetic protection. The thermal protection reacts to excessive temperature, while the magnetic protection reacts to excessive current. The breaker also has a differential principle, which senses the small differences between the two phases and trips if the differences become too large or outside the recommended range.

In addition to the trip unit, the APL11-8348-10 has a range of additional safety features designed to protect both people and the electrical components. The breaker is designed with a mechanical interlock which will prevent it from being reset while the main power contacts remain open. If the current or temperature go too high, the breaker will trip and the contacts will close to disconnect power immediately. The device also has overpressure protection which prevents the breaker from being reset until the pressure returns to an acceptable level.

The APL11-8348-10 is an effective and reliable circuit breaker well suited for industrial applications. Its thermal-magnetic trip unit, differential principle, and other safety features provide adequate protection against excess current, overload, or power surges. With a single or three-phase power supply up to 690V AC or 1,000V DC, the device is a versatile tool capable of providing reliable protection for a variety of industrial applications.

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