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Electrical Inspection & Testing Forum
3 Phase Motor 2.5mm 30A Mcb
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<blockquote data-quote="Evans Electric" data-source="post: 457536" data-attributes="member: 1408"><p>Sidey , what applies to overhead cranes ? I used to do a lot of work for a crane maintenance company , remove old controls , build and fit new panels to control crane by radio from the ground . </p><p></p><p>First time with them I couldn't come to terms with the small cable size they used for the hoist motor , which would be a large slip ring motor ( Can't remember the HPs now) . But I was thinking in terms of constant running when really the hoist motor only ran for 30 seconds when it lifted . I think , where I would be thinking of 16mm they used nothing larger than 6mm or 10mm . </p><p></p><p>We also removed the driver's cab , by request , to prevent the return of the driver sitting up there all day . </p></blockquote><p></p>
[QUOTE="Evans Electric, post: 457536, member: 1408"] Sidey , what applies to overhead cranes ? I used to do a lot of work for a crane maintenance company , remove old controls , build and fit new panels to control crane by radio from the ground . First time with them I couldn't come to terms with the small cable size they used for the hoist motor , which would be a large slip ring motor ( Can't remember the HPs now) . But I was thinking in terms of constant running when really the hoist motor only ran for 30 seconds when it lifted . I think , where I would be thinking of 16mm they used nothing larger than 6mm or 10mm . We also removed the driver's cab , by request , to prevent the return of the driver sitting up there all day . [/QUOTE]
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3 Phase Motor 2.5mm 30A Mcb
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