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Electrician Talk Forum
Mutiple Motor Control from one contactor
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<blockquote data-quote="Sidewinder" data-source="post: 188362" data-attributes="member: 9512"><p>Elekk,</p><p></p><p>I thingk we need a bit more info on what you are trying to do.</p><p></p><p>I also took breaker to mean mcb, as this is generally how this term is applied, especially on this forum.</p><p></p><p>I don't think that this is unreasonable.</p><p></p><p>I don't like the idea of the way you have described things unless you can explain a little more I can't give any more input.</p><p></p><p>I don't know the type pf mpcb you are using, however if the motors must run independently then why are you not using individual contactors, I doubt that it will be cheaper to wire this way and really your panel wiring from the main circuit breaker right through the main contactor to the indicidual motor contactors needs to be sized for the main breaker.</p><p></p><p>Please be a little more descriptive and provide some more detail &amp; info.</p><p></p><p>It also sounds like this is outside the scope of 7671, so you are now looking at a whole new set of rules to get your head around which actually have more legal standing than 7671 by the way that the new approach directives are worded.</p></blockquote><p></p>
[QUOTE="Sidewinder, post: 188362, member: 9512"] Elekk, I thingk we need a bit more info on what you are trying to do. I also took breaker to mean mcb, as this is generally how this term is applied, especially on this forum. I don't think that this is unreasonable. I don't like the idea of the way you have described things unless you can explain a little more I can't give any more input. I don't know the type pf mpcb you are using, however if the motors must run independently then why are you not using individual contactors, I doubt that it will be cheaper to wire this way and really your panel wiring from the main circuit breaker right through the main contactor to the indicidual motor contactors needs to be sized for the main breaker. Please be a little more descriptive and provide some more detail & info. It also sounds like this is outside the scope of 7671, so you are now looking at a whole new set of rules to get your head around which actually have more legal standing than 7671 by the way that the new approach directives are worded. [/QUOTE]
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Mutiple Motor Control from one contactor
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