Inter-Control-Smarty-Hot-Thermal-Cut-Outs-16A-230V-Inter-Control-162571-004D02-p-The-b-Smarty-Hot-b-thermal-cut-out-features-a-voltage-maintained-latch-function-that-is-designed-to-provide-protection-for-applications-until-the-power-is-removed-A-bimetallic-disc-is-used-as-the-sensor-&-when-the-preset-temperature-is-reached-the-bimetallic-disc-operates-&-opens-the-electrical-circuit-When-this-happens-it-also-activates-a-thermal-resistor-that-heats-the-bimetallic-disc-&-prevents-it