5ACLS-18R

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Fuses

Fuses are an important electrical component used in a wide variety of applications. They are designed to offer protection against over-currents, short circuits, and hazardous overloads, thus preventing possible damage to the surrounding electronic components.

5ACLS-18R Application Field and Working Principle

The 5ACLS-18R fuse is a 1.87 by 0.75-inch class CC and class RK5 fuse, designed for the protection of 600V AC and DC systems. It is typically used for lighting, HVAC, motor control, and similar applications. The 5ACLS-18R is UL listed and CSA certified with a voltage rating of 600VAC/250VDC. The 5ACLS-18R features ceramic bodies and a silver-plated copper alloy contact element, making it suitable for use in areas where maximum current carrying capacity is required.

The 5ACLS-18R has two separate overload protection functions. The first, the time-delay function, provides protection against over-current conditions that result from slowly developing overloads. This is achieved by utilizing a UL-approved time delay element which safely grants the desired level of protection while providing sufficient current to operate the connected load.

The second protection function employed in the 5ACLS-18R is the instantaneous function. This is effective in providing protection against more severe over-currents and short circuits. This part of the fuse works by interrupting the current within an extremely short period of time following the occurrence of an over-current or short circuit. In order to ensure a successful interruption of current, a very small temperature-sensitive element is used.

The 5ACLS-18R offers additional features that make it a suitable choice for various applications. The hermetically sealed case keeps the fusible element safe from dust, dirt, and debris. The fully insulated design prevents shocks or fires caused by accidental contact with live parts. Additionally, the multi-cartridge construction allows one 5ACLS-18R to protect multiple circuits.

Overall, the 5ACLS-18R fuse finds its applications in the protection of 600V AC and DC systems, mainly for use in lighting, HVAC, motor control, and similar applications. It offers features that make it suitable for use in hazardous environments, as well as the ability to protect multiple circuits.

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