IULK1-33404-2

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Circuit Breakers are an essential part of any electrical system. They provide a safe and reliable way to disconnect an electrical circuit and prevent damage due to overload, short circuits and other faults. The IULK1-33404-2 is a type of circuit breaker from ABB. It offers a range of features and benefits that make it well suited for a wide range of applications. This article will discuss the application fields and working principle of IULK1-33404-2 circuit breakers.

The IULK1-33404-2 circuit breaker is designed for use in medium voltage applications up to 36 kV. It is suitable for both indoor and outdoor applications, and can be used in commercial, industrial and residential installations. It is also UL and CSA certified, making it suitable for use in both North American and European markets. The IULK1-33404-2 has a breaking capacity of up to 50kA and is designed for both AC and DC operation.

The IULK1-33404-2 is designed with a range of features to ensure safety and reliability. It has a UL 489 protection rating, which provides protection against both short circuit and overheating situations. It also includes a fault interruption indicator and an alarm system to alert personnel if a fault occurs. The IULK1-33404-2 has current and temperature sensors to monitor the electrical circuit and prevent any overloads or faults occurring.

The working principle of the IULK1-33404-2 is based on the Magnetic-Thermal principle. This involves using a combination of thermal and magnetic elements to detect an overload or fault in the electrical circuit. When an overload or fault occurs, the magnetic elements release energy in the form of a magnetic field. This energy is then detected by the thermal elements, which trigger the circuit breaker to open, thus disconnecting the circuit and preventing further faults.

The IULK1-33404-2 circuit breaker is a highly reliable and safe way to provide protection against overloads and short circuits in medium voltage applications. It is suitable for a wide range of applications, and its UL 489 protection rating, fault interruption indicator and alarm systems make it a great choice for both residential and commercial installations.

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