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How to understand unipolar, bipolar, and tripole switches?

2012-03-31View Original

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How to understand unipolar, bipolar, and tripole switches? Does single-phase control one live wire, dual-phase controls the live wire and the neutral wire, and triple-phase controls three live wires?
Reply #22012-03-31
Generally, it is like this, but there are also special cases; for example, a bipolar switch used to control a welding machine is used to control two live wires. :lol

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Translated at 2026-07-25 18:31:21

Original: https://bbs.hcbbs.com/thread-981635-1-1.html

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