IULN111-1REC4-66-30.0-E

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Circuit breakers are critical components that are designed and incorporated into electrical systems for safety purposes, in order to prevent potential damage or equipment failure due to too much current flowing through it than it can handle, due to a short circuit occurring, or other similar electrical events. IULN111-1REC4-66-30.0-E, a trip unit, is a type of circuit breaker that works based on a thermal-magnetic mechanism, and it is used in medium range currents and voltages, typically between 660V and 690V AC.

As a trip unit, it is mostly used in the installation of cabinet circuit breakers, as it is self-contained within the unit, being its cost, size and weight attractive attributes, making it favorable for compact electrical system solutions. Additionally, these systems can be easily and quickly installed and connected into the external circuit, as most models integrate plug-in bridge connections for easy assembly.

The IULN111-1REC4-66-30.0-E, as many other trip units, works based on a thermal-magnetic trigger mechanism, which contains a set of trips with two different operating mechanisms. The thermal trip is designed to detect the thermal effects from excessive current in the external circuit, abruptly cutting the power supply. Additionally, an adjustable overcurrent trip is installed in series with the thermal trip, which offers additional protection in case of an extreme overload.

The working process of the IULN111-1REC4-66-30.0-E is based on the accumulation of heat generated by the current flowing through the trip unit, which then activates the thermal trip if this heat exceeds a certain threshold, cutting off the power instantly in order to stop the excessive current. The addition of the adjustable overcurrent trip provides an extra safety measure if the accumulative heat happens faster than it can be dissipated by the unit due to extreme overloads.

The IULN111-1REC4-66-30.0-E is specially designed and engineered for application fields such in lighting systems, pumping systems, motor starters, welding systems, and low tension residential protection networks, trying to provide the best safety and operation standards for this kind of electrical system set ups.

The design of the IULN111-1REC4-66-30.0-E comprises of a compact and high performance microprocessor based containment unit, which is integrated with a number of components for a reliable and safe operation. These components are encapsulated in an arc containment enclosure, and in many models it also incorporate a short circuit indicator. Moreover, its power and current ratings make it suitable for a wide range of applications, from localized industrial equipment to residential light systems.

Overall, the IULN111-1REC4-66-30.0-E is a reliable and stable trip unit, designed to provide safety protection and effective current distribution for most medium range application fields. Its compact design and simple operations make it attractive for compact electrical systems, and its thermal-magnetic operating system makes it an efficient and fast solution for short-circuits and other electrical mishaps.

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