170M8539

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Electrical and specialty fuses are electrical protection devices designed to quickly detect a fault condition and shift off power to protect downstream components. When a fault occurs, excess current flows to ground, the fuse element heats up, and the fuse blows. This effectively terminates the current both at the fault and at the source, avoiding damage to other circuits in the system. The 170M8539 is a type of electrical and specialty fuse that has a range of applications and working principles.

Applications

The 170M8539 electrical fuse provides fast-acting, class CC, volumetric overload protection and short-circuit protection. It is tested and certified to UL 248-12, CSA C22.2 No. 248-12, and IEC 60269 for use in branch circuit applications in accordance with the National Electrical Code. It is ideal for use in industrial, commercial, and residential applications. It is also suitable for use in consumer appliances, motors, emergency stop circuits, lighting fixtures, industrial control systems, power supplies, transformers, and much more. In addition to its versatility, the 170M8539 is also fully compliant with RoHS requirements for a safe and reliable operation.

Working Principle

The 170M8539 electrical fuse is a fast acting, non-rejection type fuse. It is composed of a metal element enclosed in a barrel-shaped ceramic tube. The fuse is designed to quickly detect a fault and cut off power to protect downstream components from damage. When current passes through the one end of the fuse, the metal element within the fuse heats up and eventually melts when the current flow exceeds the rated current. This melts the fuse element, creating a large enough gap to interrupt the current flow and open the circuit, thus preventing further current from flowing. As a result, the 170M8539 is a reliable and efficient protection device for safeguarding against potentially dangerous overloads and short circuits.

In case of short circuit or overload, the fuse has a time-delay before it activates. This means that it still opens the circuit when the current flow is within the rated current limit, but may take up to several seconds for it to activate. This helps to prevent overloads and short circuits from occurring and provides increased safety.

The 170M8539 electrical fuse is designed for use in a wide variety of applications and functions. In addition to providing overload and short-circuit protection, its time-delay feature further increases the safety of any circuit it is implemented in.

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