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TPN stands for Triple Pole With a neutral link.

normally this are the switches which are used in case of three phase connections and as main switch......gonecase17@gmail.com

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17y ago
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13y ago

TPN Load break switch:

Is basically a main switch used in three phase system and know as Three pole neutral or Three phase neutral having four connectors for three phases and one neutral.

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Q: What is a tpn switch?
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