170H1013

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Fuseholders are used in a wide range of applications in order to protect the connected equipment from overcurrents and other potential hazards.

In applications in electr icity grids, fuseholders are usually given the designation 170H1013, but they can also be used in other industrial, commercial and residential applications. The type of application and the extent to which the fuseholder must be able to protect the equipment will determine what kind of fuseholder should be chosen.

In a typical power grid application, fuseholders will be used to protect individual components, such as circuit breakers, from high currents caused by short circuits, lightning strikes and other disturbances. They will be connected to the grid’s main bus bar in order to provide a safe, low voltage environment for the equipment, thus avoiding potential damage to the equipment.

Fuseholders for this application are usually rated for currents of 50A or higher, and are often supplied with a secondary signal terminal which will be connected to an alarm system that can alert a control room in the event of a high current event. This helps to ensure that any equipment suffering from a high current event is isolated and shut down immediately, preventing further damage or risk of fire.

Fuseholders are designed to work in two ways. First, they act as a circuit breaker, immediately opening the circuit and providing a safe low-ohm environment for the equipment. Secondly, the preferential current flow will be through the fuse, meaning that if a fault does occur, the fuse will be the element of the circuit to suffer any damage.

To ensure that a fuseholder will operate correctly, it should always be selected according to the type of application, the environment in which it will operate, and the type of fuse being used. A wrongly-selected fuseholder may present additional problems in operation, including unpredictable performances under overloads and potential fire hazards.

Fuseholders should also be inspected regularly in order to ensure that they are correctly installed, operate as expected, and do not constitute a fire or other safety hazard. All fuseholders should be tested and verified in order to ensure that they are able to operate correctly under the expected overloads and currents.

Although fuseholders are often given the designation 170H1013, they are available in a wide range of sizes and configurations, depending on the type of application and the current and voltage ratings needed. Understanding the application field and working principle of a fuseholder is vital in order to ensure that the correct type is chosen for any particular application.

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