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Why do the Power Relays have 12 V and > DC coil rating ? Cannot they have lower
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<blockquote data-quote="mike1942f" data-source="post: 2078003" data-attributes="member: 233323"><p>If you get close enough to the relay makers - not at a retail catalog site - you will find relays with replaceable coils so you can mix and match the contact rating with the coil rating. Unfortunately, since the spring on the contacts remains the same, there has to be more windings and more amps to have a strong magnetic field to pull in the contacts Many many relays have 6 volt coils as shown here. http://documents.tycoelectronics.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1308242_K10&DocType=DS&DocLang=EN with other choices on this page http://relays.tycoelectronics.com/pnb.asp including 5 volts on this one http://documents.tycoelectronics.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1308242_KUKUP&DocType=DS&DocLang=EN</p></blockquote><p></p>
[QUOTE="mike1942f, post: 2078003, member: 233323"] If you get close enough to the relay makers - not at a retail catalog site - you will find relays with replaceable coils so you can mix and match the contact rating with the coil rating. Unfortunately, since the spring on the contacts remains the same, there has to be more windings and more amps to have a strong magnetic field to pull in the contacts Many many relays have 6 volt coils as shown here. http://documents.tycoelectronics.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1308242_K10&DocType=DS&DocLang=EN with other choices on this page http://relays.tycoelectronics.com/pnb.asp including 5 volts on this one http://documents.tycoelectronics.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1308242_KUKUP&DocType=DS&DocLang=EN [/QUOTE]
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