Importance

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Abstract

An arc-resistant terminal, couple, and connecter are provided. In an embodiment, a metal-based electrical contact portion thereof includes at least one of Cu, Ni or Sn, and not more than 0.06 mass % P, wherein the arc-resistant terminal capable of suppressing arc discharge wherein a voltage between the arc-resistant terminal and a second terminal immediately after separation thereof is DC36V to 60V and a current between terminals during contact is 6A to 30A. In another embodiment, the an electrical contact portion comprising at least 80 mass % of metal having a boiling point of not less than 1000 degrees centigrade. According to the present invention, since the electrical contact portion or the final contact portion of the terminal includes a specific metal-based material, even when the voltage applied between the terminals is increased and an arc discharge is liable to be generated, the arc discharge can be suppressed. The arc-resistant terminal of the present invention can be suitably used in a connector for an automobile, a joint box provided with the connector portion and the like. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

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First Claim