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Do-It-Yourself (DIY) Question & Answer Forum
Disconnection time 120 volts Uo vs 150 volts Uo
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<blockquote data-quote="ProMbrooke" data-source="post: 491546" data-attributes="member: 32235"><p>Thats why I'm referencing the IEC's body graph and asking here. 0.8 to 0.4 is a big jump.</p><p></p><p></p><p></p><p></p><p></p><p></p><p>I know the IEC us using a voltage divider, and that the nominal voltage can be +10%.</p><p></p><p>However, 0.8 seconds for a 120 volt Uo and 0.4 seconds for a 138 volt Uo is a big jump. Why not 0.75 or 0.6 at most?</p><p></p><p>Cost adds up in big projects not to mention its harder to work with and terminate 4mm2 on a socket terminal.</p></blockquote><p></p>
[QUOTE="ProMbrooke, post: 491546, member: 32235"] Thats why I'm referencing the IEC's body graph and asking here. 0.8 to 0.4 is a big jump. I know the IEC us using a voltage divider, and that the nominal voltage can be +10%. However, 0.8 seconds for a 120 volt Uo and 0.4 seconds for a 138 volt Uo is a big jump. Why not 0.75 or 0.6 at most? Cost adds up in big projects not to mention its harder to work with and terminate 4mm2 on a socket terminal. [/QUOTE]
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Disconnection time 120 volts Uo vs 150 volts Uo
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