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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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They also feature an internal thermal cutout, double insulation, low electrical noise, full-off light attenuation and a medical-grade UV/IR optical filter.
In combination with the maintenance-free brushless design and a thermal cutout switch, the motors offer high reliability for extended lifecycles in harsh environmnents.