3JS 350-R

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A fuse is an electrical component that is designed to protect electrical circuits from excessive current when it is overloaded. The 3JS 350-R fuse is an Littelfuse class R fuse. It is made from nickel-plated zinc alloy, and is a thermal-magnetic type of fuse that combines both current limiting within an overload range and short-circuit protection.

The 3JS 350-R has a dual current rating. It is rated for 350A at 100% circuit load for up to 6 hours, and 700A for 100 milliseconds. This makes it ideal for applications with large start-up current and short-term overloads, such as motors, transformers and air conditioners. It is also ideal for switch cabinets, control panels, and high-amp industrial equipment.

The 3JS 350-R fuse is a thermal-magnetic type of fuse, which means it has two mechanisms to protect the circuit. The first is a thermal element, which will heat up and melt if the current exceeds the fuse rating for an extended period of time. The second is a magnetic element, which will trip when the current exceeds the nominal rating for a brief period of time. This combination of thermal-magnetic protection ensures the circuit is protected against both long-term overloads and short-term short-circuits.

The 3JS 350-R is UL listed and CSA certified, and is designed for both indoor and outdoor use. It has a clip-on, quick-connect terminal design, so it is easy to install and replace, and it has an indicating window to monitor the fuse state. The fuse has a maximum operating temperature of 165°F (74°C).

The 3JS 350-R fuse is designed for reliable short-circuit and overload protection in a wide range of applications. It is a cost-effective solution that is designed for both indoor and outdoor use, and is UL listed and CSA certified. It is easy to install and replace, and has an indicating window to monitor the fuse state.

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