HI Rich, Grainger will have 12v coil relays that will switch 48v.
jay peltz power On Aug 8, 2013, at 4:49 PM, Rich Nicol wrote: > Hello Wrenches, > > Does anyone have any advice about what to use for a relay to power a 48 volt > Zephyr battery vent fan using the 12 volt auxiliary output from the Midnite > Classic Charge controllers. The fan only draws 6 watts but my problem is the > 48 volt side of the equation. A supplier has recommend a double pole/double > throw relay rated for up to 30 amps at 24 volts wired in series. I’m curious > if anyone knows of a relay rated for 48volts (actually higher voltage since > the fan is signaled to come on when the battery reaches gassing voltage) that > would work in this application or if there is widespread agreement that the > 24volt rated relay would work fine since we are requiring only minimal > current and spreading between two contacts. > As always, your input is greatly valued! > Thanks, > Rich > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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