thermal cutout

thermal cutout

[′thər·məl ′kəd‚au̇t] (electricity) A heat-sensitive switch that automatically opens the circuit of an electric motor or other device when the operating temperature exceeds a safe value.

thermal cutout

An overcurrent protective device in an electric circuit; contains a heater element and a renewable fusible member which opens when the current is so great as to produce sufficient heat to melt it; not designed to interrupt short-circuit currents.