Description
The Littelfuse KLKR01.5 Fast-Acting is a current-limiting Class CC fuse rated at 1.5A, and 600V designed to interrupt overcurrent conditions quickly and protect sharp electrical components within compact control systems. It is used in the HVAC systems where it safeguards control circuits, transformers, and relay panels from short-circuit or overload. It is typically placed within air handling units, condensers, and furnace control boards, where stable operation of low-voltage circuit is essential for system coordination. Its role is to isolate fault conditions rapidly, preventing damage to wiring, sensors and control electronics. This fuse supports protection in HVAC control while maintaining consistent circuit integrity.









