Importance

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Abstract

An insulation state detection device includes a positive-side input terminal electrically connected to the positive side of a DC power supply, a negative-side input terminal electrically connected to the negative side, a grounding terminal, a detection circuit which operates based on an operation command to detect an insulation resistance in a measurement section, an input terminal to which an operation command signal is input, an output terminal which outputs a detection result signal related to the detection result of the detection circuit, a circuit board to which these components are mounted, and an insulating accommodation member which encloses at least the entire detection circuit and the entire circuit board and is integrally molded with terminal connecting portions so as to expose the terminal connecting portions outward.

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First Claim