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Do-It-Yourself (DIY) Question & Answer Forum
Motor Problem
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<blockquote data-quote="roys" data-source="post: 391795" data-attributes="member: 5044"><p>I thought Dewhurst drum switches were "off load devices" ie. the supply should be off before they are operated, as they have no means of dealing with the arc. Were they not used for reversing the direction of motors? It has been a while since I have seen one.</p><p></p><p>I could be wrong here but to me it does not sound like the correct gear for doing this. I am sure someone else will be along to confirm or say it can be done like this, I have just never seen a drum switch used for this purpose.</p></blockquote><p></p>
[QUOTE="roys, post: 391795, member: 5044"] I thought Dewhurst drum switches were "off load devices" ie. the supply should be off before they are operated, as they have no means of dealing with the arc. Were they not used for reversing the direction of motors? It has been a while since I have seen one. I could be wrong here but to me it does not sound like the correct gear for doing this. I am sure someone else will be along to confirm or say it can be done like this, I have just never seen a drum switch used for this purpose. [/QUOTE]
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