RSTA 1.25 BULK, SHORT LEAD

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The RSTA 1.25 Bulk, Short Lead (RSLS) fuse is a device used to protect electrical circuits and electrical components from damage due to overcurrent. It works by melting a portion of the fuse element, thereby providing a low resistance path to earth, thus limiting the passing current.

The key features of the RSLS fuse include an "integrated dual capacitor (IDC) subassembly." This subassembly includes a pair of capacitors which are used to short-circuit a circuit in the event of overcurrent. This short-circuit reduces the voltage across the fusible element, thereby reducing the power dissipation within the fuse itself.

The RSLS fuse is typically used in industrial electronics applications such as motor control systems, industrial drives, and programmable logic controllers (PLCs). It is designed to be compatible with all standard fuseholders, and can be mounted either directly to a printed circuit board (PCB) or in a panel mount configuration.

The RSLS fuse can be used to protect both single-phase and three-phase power systems. In a single-phase system, it is designed to provide short-circuit protection for current surges up to 2000A. In three-phase systems, it provides short-circuit protection up to 3000A. The RSLS fuse also provides protection against faults such as overloads, short-circuits, and ground faults.

In operation, the RSLS fuse operates in a time-delay mode. This enables the fuse element to react quickly to short-circuit currents to reduce the risk of damage to electrical components, while at the same time limiting the damage to the fuse itself. The time-delay also allows the fuse element to return to its off-state quicker than other types of fuse, thereby providing improved circuit protection.

The RSLS fuse is a UL listed product and is available in both lead-free and RoHS compliant versions. It is typically rated for 250V AC, 125V DC, and can withstand up to 40A of continuous current.

The RSLS fuse is a reliable and cost-effective solution for protecting electrical circuits and components from overcurrent and short circuit. Its integrated dual capacitor subassembly provides short-circuit protection while limiting the power dissipation within the fuse itself. Additionally, its time-delay operation allows it to quickly respond to overloads and faults, while reducing the amount of damage to the fuse itself. The RSLS fuse is UL listed and has a wide range of applications in industrial electronics.

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