Duty cycle protection for low voltage, high current DC motors
A combination of a bi-metal breaker and PTC’s (in parallel) and in series with the breaker. Combines two time/temperature devices into a package designed to protect motors, switches and wiring (a motorized system) from faults while allowing use within a designed duty cycle. The package is heat resistant and designed to contain heat generated by the PTC’s in a tripped state in a safe environment. The package also serves to control the cooling cycles for added protection.
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