Description
The Littelfuse JLLS500 Fast-Acting Class T Fuse is an overcurrent protection tool used to safeguard electrical circuits and components from short circuits and overloads in HVAC systems. This fuse is rated at 500 amps with a maximum voltage of 600 VAC and 300 VDC, featuring a fast-acting response and high interrupting capacity up to 200 kA for rapid fault clearing. Placed in electrical panels, disconnects, or equipment power circuits, where it protects compressors, motors, and control systems. As part of the electrical protection system, it prevents equipment damage and supports safe, stable system operation.









