IULB1-36490-50

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Circuit breakers have been an essential part of the electrical system since their invention in the late 18th century. Circuit breakers are designed to protect the electrical system when it is overloaded or short-circuited. They are also used to protect equipment from voltage surges, false trips, and potentially hazardous conditions like arcing and sparking. The IULB1-36490-50 is a new type of circuit breaker from Black and Decker, which offers superior performance and reliability in demanding industrial applications.

The IULB1-36490-50 is a two-pole, UL listed circuit breaker with a continuous current rating of 50A with an interrupting current rating of 5,000A. It is a trip free design with an LED indicator that is visible from the front, making it easy to diagnose faults and trip points. It also features an optional undervoltage trip device for automatic shutdown in the event of a power failure, as well as an end-of-trip indicator that provides feedback on trip time. The IULB1-36490-50 is suitable for a wide range of residential, commercial and industrial applications including motor control and protection, distribution panel boards, switchgear, control systems, and lighting and heating systems.

The working principle of the IULB1-36490-50 is based on a thermal-magnetic operation. The thermal element is designed to respond to increases in the current, while the magnetic element is designed to respond to changes in the magnitude of the current. When the current exceeds the trip rating, the thermal element of the breaker will heat up, causing the breaker to trip. In turn, the magnetic element, which operates in a similar manner, is activated when the current reaches a certain threshold. When this happens, the breaker will open and disconnect the circuit, protecting it from further damage or overload.

The IULB1-36490-50 is a reliable and durable circuit breaker, ideal for use in a wide variety of applications, including control systems, motor control and protection, distribution panel boards, switchgear, and lighting and heating systems. Its thermal-magnetic operation ensures that it is ready for use in both residential and commercial settings. Its LED indicator and end-of-trip indicator make it easy to diagnose fault and tripping issues, and its optional undervoltage trip device provides an extra layer of protection in the event of power failure.

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