Carrier HH18HV145 Limit Switch 321042-401 Its 100kA SCCR (at 600V

Its 100kA SCCR (at 600V with appropriate fusing) makes it a reliable choice for magnetic starters and resistive load switching in modern HVACR and automated systems

Common Questions How do I confirm the rotation of the FAN1531

Safety-First Operation: Features a built-in safety shutoff that engages immediately if a pilot failure or flameout is detected

By utilizing the multiple mounting holes

meaning it breaks the circuit as temperature rises above the setpoint

Carrier HH18HV145 Limit Switch 321042-401 Its 100kA SCCR (at 600VThe Carrier HH18HV145 is a high precision HVAC auto limit switch engineered to maintain safe operating temperatures within gas and electric furnaces. Operating with a 115 145F temperature range, this genuine OEM replacement part acts as a critical safety barrier, automatically interrupting the circuit to the burners or heating elements if the supply plenum exceeds the 145F threshold. This auto reset limit switch is designed for demanding industrial