MWS1 S138H

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Thermal Cutoffs (Thermal Fuses) are a type of device used to prevent the occurrence of hazardous situations caused by temperature excesses, for instance by avoiding the overheating of electric and electronic systems. These systems are specially designed to open the electrical circuit when the thermal conditions exceed the predetermined level (determined by the user). They are extensively used in the electrical industry for the protection of wide range of applications, such as power supplies, industrial ovens, and transformers, among others.

MWS1 S138H is a model of thermal cut-off which offers a high performance in the regulation of temperature - this precision is held in order to prevent damages due to the passing of current, such as those caused by an overload on the system or by a short-circuit. The application field of this model covers a wide range of devices which must be equipped with a thermal cut-off, such as medium and large power heaters, motors, magnets, transformers, audio systems, heating power sources, and power supply systems.

The working principle of MWS1 S138H is simple: it is a heat sensitive device which is composed of metal cylinders, leads, and an internal fuse wire; this internal fuse wire and heat are linked and, when the set temperature is surpassed, the device triggers, breaking the contact of the circuit and, thus, the electrical current. In order to provide a robust support, it is usually embedded in a plastic material that acts as an insulant; also, additional materials are used to guarantee the highest efficiency. This type of thermal cut-off is generally reset by pressing a button.

The MWS1 S138H is also equipped with an internal electronic device which controls and monitors the temperature of the system at all times and keeps it stable, thus assuring a reliable operation and the safety of the system.

This device is engineered to operate in a wide temperature range (from 0 °C to 180 °C) and can be used in various temperatures. It is also designed to handle different thermal parameters (from 20A to 800A) and is available in different specifications.

The MWS1 S138H is a reliable and cost-effective device, and it is also a precise and extremely safe option for the protection of electrical and electronic systems. Its wide application field, along with its wide temperature range, make it suitable for many industrial applications.

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