5ET 100-R

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Fuses are devices designed to protect devices, circuits, and components from damage due to overloads and short-circuits. The 5ET 100-R fuse is a thermal-magnetic, time-delay class RK-5 fuse, and is designed for derating in applications where large, non-linear loads are present. It is a UL listed and CSA certified product, and meets the requirements of IEC 269-2. It is available in 200A and 250A rated current, and it can be applied to single and three-phase AC circuits.

The working principle of the 5ET 100-R fuse is relatively simple. It contains a coil-shaped piece of metal, called the fusible element, which acts as a link between two conducting arms of the fuse. The two conducting arms are connected to each other via a current-limiting resistor, which controls the amount of current that can pass through the circuit. When the current passing through the circuit exceeds the specified rating, the heat generated by the current will cause the fusible element to melt and break the circuit.

The 5ET 100-R is ideal for commercial and industrial applications. It is suitable for branch-circuit protection on multi-conductor feeders, as well as on circuits up to 600V AC. It is suitable for use in a variety of applications, such as heating, air conditioning, motor circuits, air compressors, and electric ranges. It can be installed directly in the panelboard, or in an approved enclosure. It is also suitable for use in residential applications, such as lighting, appliance, and motor circuits.

The 5ET 100-R fuse is an energy-efficient protective device that offers enhanced process control. It is designed to provide fast and reliable protection against overloads and short circuits. The unique time-delay feature allows the fuse to react based on a specific time-delay characteristic, allowing the device to handle larger inrush currents without tripping, while still providing overload and short-circuit protection.

The 5ET 100-R fuse is a reliable and cost-effective solution for protecting motors, including those in commercial and industrial applications. It is UL-listed and CSA-certified, providing added assurance that the product meets the highest standards of safety and quality. The fuse also meets the requirements of IEC 269-2, which provides consistent and reliable safety throughout its operational lifetime.

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