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03-24-2012, 10:55 AM
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#1 (permalink) |
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Pirate4x4 Addict!
Join Date: Oct 2004
Member # 37600
Location: South Central Pennsylvania
Posts: 6,412
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120V Relays?
I've done enough with 12V relays to feel comfortable with it. But I've got a project where I want to switch a bunch of 120V stuff - basically a control panel for A/V and computer stuff.
Seems like it would be fairly simple - 120V 15A to 20A stuff. But my searches are turning up a pretty wide range of prices - anywhere from $10 for a relay up to $70 and then some going to $100s... I must be missing something here. Simple solution would be to wire up light switches, but I want a small control panel up front with the relays tucked back into things. Besides, light switches would be the ghetto way out...
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03-24-2012, 12:46 PM
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#2 (permalink) |
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Registered User
Join Date: Mar 2009
Member # 132020
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I've used and worked on equipment with inexpensive to high dollar relays. Manual and PLC controlled. You can use the relatively cheap ones for what you stated. The plug-in ones probably be your best bet. If it fails just pull & replace. Like the old fashion tube type equipment. Something like these from McMaster-Carr.
http://www.mcmaster.com/#general-purpose-relays/=gt09rs |
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03-24-2012, 02:53 PM
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#4 (permalink) |
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03-24-2012, 05:33 PM
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#5 (permalink) |
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Pirate4x4 Addict!
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Thanks for the input - and the source, Grumpy.
Looks like these will do the trick - for under $5 a piece. Not sure what I was making so difficult that I was turning up the bazillion dollar versions before.
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