3000758

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Circuit breakers are essential components in the power system, which can control and protect the circuit by their switch-off behavior. Although they can handle overloads and short-circuit conditions, they can also malfunction due to incorrect settings or age-related wear and tear. Therefore, understanding their principles and key attributes is important for safe, reliable operation of power systems. An understanding of the 3000758 application field and its working principle can help guide our selection of a reliable circuit breaker for any given application.

The 3000758 is a high-class molded case circuit breaker (MCCB). It is available in two main configurations. The frame sizes and rated current options are tailored for commercial and industrial applications. It provides the possibility of various functions, like adjustable trip characteristics, built-in overvoltage protection, and long service life.

In most cases, the 3000758 is used in low voltage switch systems in a wide range of commercial and industrial applications. It provides short circuit protection, overload and overvoltage protection, adjustable detection of short-circuits and overloads, as well as auxiliary contacts in connection with load and generator systems.

The working principle of the 3000758 is based on an electromagnetic power system. To function properly, the magnetic core of the breaker must be exposed to the maximum system current and it must be expelled from the core by the force of a powerful magnetic field. This field is created by a set of coils that harness the power of the current passing through them. When the current reaches a threshold level, the magnetic core is ejected, thus breaking the circuit and preventing further current flow.

The 3000758 offers many features that enhance safety and system performance. Firing-current detection is adjustable and provides very accurate and rapid reaction to short-circuits and overloads. Its non-interruptible close allows the inrush current of reactive transformers to be handled safely. Its adjustable-protective-trip feature provides protective action in the event of sustained high peak current conditions. The 3000758 also provides a direct short-circuit protective feature that ensures quick action in the event of a short-circuit.

Overall, the 3000758 is a reliable, high-performance MCCB that can be used in a wide range of applications. Its adjustable-protective-trip feature ensures that it can provide reliable protection in the event of a wide range of conditions, from short-circuit to sustained overloads. It also offers built-in overvoltage protection, greatly increasing safety and system performance. Its adjustable trip characteristics ensure that it can be customized for any application. With its reliability and performance, the 3000758 is a great choice for any commercial or industrial application.

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