AAO6

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Electrical: Specialty Fuses

AAO6 is a versatile fuse technology that has been deployed in a range of industrial and commercial applications. AAO6 utilizes a unique construction that allows it to work in the harshest of environments, from high humidity to extreme temperatures and corrosive atmospheres.

Construction

AAO6 fuses consist of a two-piece silicone rubber frame that houses a series of temperature sensitive elements. The temperature sensitive elements are made up of a bimetal strip, an insulated wire, and a stainless steel plug. The bimetal strip acts as a temperature-dependent fuse element that can withstand temperatures up to 250°C. To increase reliability, the bimetal strip is welded onto each end of the silicone rubber frame. The insulated copper wires act as an additional safety feature by short-circuiting any stray or accumulated current accidentally injected into the system. The stainless steel plug is connected to the bimetal strip and acts as a thermal fuse that shuts off the power should the fuse exceed its rated current.

Working Principle

AAO6 fuses work on two different principles. The first is that when the fuse detects an overload current, the bimetal strip expands, thus breaking the circuit. The second is that when the fuse detects an over-temperature event, the stainless steel plug acts as a thermal fuse, shutting off the power. The combined effect of the two mechanisms provides a robust and effective fuse solution that can handle extreme conditions.

Applications

AAO6 fuses are used in a variety of industry and commercial applications. They are primarily used as overcurrent protection in systems such as circuit breakers, heating elements, and automotive engines. They are also used for over-temperature protection in industrial furnaces, electronic circuits, and sensitive equipment. Additionally, they are often used as emergency shutdown devices in systems with unusual or high-load requirements.

Safety

AAO6 fuses provide a robust and reliable protection against overloads and over-temperature events. Unlike other fuses, they are resistant to extreme conditions such as high humidity, extreme temperatures, and corrosive atmospheres. Additionally, the insulated copper wires act as an extra layer of safety, short-circuiting any stray or accumulated current in the system should the bimetal strip malfunction.

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