Contact breaker

Breaker arm with contact points at the left. The pivot is on the right and the cam follower is in the middle of the breaker arm.

A contact breaker (or "points") is a type of electrical switch, and the term typically refers to the switching device found in the distributor of the ignition systems of spark-ignition internal combustion engines.

单词	Contact breaker
释义	Contact breaker 英语百科 Contact breaker A contact breaker (or "points") is a type of electrical switch, and the term typically refers to the switching device found in the distributor of the ignition systems of spark-ignition internal combustion engines.
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