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Open Roads Forum  >  Tech Issues

 > What chassis battery cutoff switch do you like?

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MEXICOWANDERER

las peñas, michoacan, mexico

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Posted: 03/14/19 10:53am Link  |  Quote  |  Print  |  Notify Moderator

It's the disconnect from load rating that matters.

As a contact pulls away from it's mate the current tends to flash. Material tends to transfer via the flash. Arcing -- whatever term tickles your fancy.

Full load pull off. Critical to minimize the load. Starter solenoids break with the aid of a powerful "return spring" to decrease the amount of time needed to pull the contacts apart. Vital when inductive loads are seen.

Snap action switches accelerate pull off speed which minimizes exposure.

Mercury filled switches minimize vulnerable contact distance distance.

A lever switch exhibits an increasing spring action before snapping to the opposite position and I like that. Increasing voltages only amplifies the vulnerable distance needed to isolate conductors. Highest voltage switching involves pneumatically powered action in an oil or mercury environment.

Speed of pull-off is especially critical when dealing with switching of an inductive load.

For instance, a Detroit V16-149 engine which has dual starter motors wired in series. Total battery CCA is make or break [emoticon]

But for things like an RV reduction of load amperage before switching is critical with a dial action switch. Less so with a snap action switch. My inherent caution sides with snap action and long life.

Naio

Snug as a bug in a rug

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Posted: 03/14/19 11:39am Link  |  Quote  |  Print  |  Notify Moderator

Thank you, all of you wonderful people :-).

I made the mistake of posting a question in the pet forum. Boy, people are not so nice over there.

I do use a solar charger in the summer, and trickle charger in the northern winter, on my other van. But neither of them has been enough for the new van. It's resting loads are too high, and I often park for weeks at a time.


3/4 timing in a DIY van conversion. Backroads, mountains, boondocking, sometimes big cities for a change of pace.


pianotuna

Regina, SK, Canada

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Posted: 03/14/19 09:45pm Link  |  Quote  |  Print  |  Notify Moderator

Naio,

Consider getting more solar?


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

MEXICOWANDERER

las peñas, michoacan, mexico

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Posted: 03/14/19 10:03pm Link  |  Quote  |  Print  |  Notify Moderator

https://assets.simpleviewinc.com/simplev........02187c59-ba58-4630-ae2b-37bfbcd2bed1.jpg

Many places out west offer a choice of RV desinations

75F summer camping. No direct sun


Or...

[image]


105F

jharrell

Safety Harbor, FL

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Posted: 03/15/19 06:08am Link  |  Quote  |  Print  |  Notify Moderator

Another vote for Blue Sea, high quality marine grade, used them on my boats in the past. I use on RV for solar, inverter disconnects and replaced combiner relay with their ACR, not cheap worth every penny.


2016 Winnebago Vista 31be - Blue Ox Rear Track Bar - Centramatic Wheel balancers
2016 Jeep Wrangler Unlimited Rubicon Toad - Readybrute Elite Towbar


D.E.Bishop

Eagle Rock, CA

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Posted: 03/15/19 08:22am Link  |  Quote  |  Print  |  Notify Moderator

I have an Intellitec Model 0100055000 and it is pretty flawless. Used with a single pole, double throw momentary switch, you can pust one side of the switch and the contacts close and latch in the closed position. Push the other side of the switch and the latch releases the contacts. The relay only draws current when the momentary switch is activated. It is pretty much bulletproof.


"I travel not to go anywhere, but to go. I travel for travel's sake. The great affair is to go". R. L. Stevenson

David Bishop
2002 Winnebago Adventurer 32V


BFL13

Victoria, BC

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Posted: 03/17/19 12:09pm Link  |  Quote  |  Print  |  Notify Moderator

Naio wrote:

Thank you, all of you wonderful people :-).

I made the mistake of posting a question in the pet forum. Boy, people are not so nice over there.

I do use a solar charger in the summer, and trickle charger in the northern winter, on my other van. But neither of them has been enough for the new van. It's resting loads are too high, and I often park for weeks at a time.


Tee hee, I see it was about cats in a campground. I think this one should be on a leash, but we need a volunteer to take it for walkies.

https://www.pqbnews.com/news/camera-capt........n-parksvilles-foster-park-neighbourhood/


1991 Oakland 28DB Class C
on Ford E350-460-7.5 Gas EFI

MEXICOWANDERER

las peñas, michoacan, mexico

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Posted: 03/17/19 12:13pm Link  |  Quote  |  Print  |  Notify Moderator

Rude pet owners?

Sentence them to a weekend in Yosemite Park with a slight propane tank leak.

MEXICOWANDERER

las peñas, michoacan, mexico

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Joined: 06/01/2007

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Posted: 03/17/19 12:13pm Link  |  Quote  |  Print  |  Notify Moderator

Rude pet owners?

Sentence them to a weekend in Yosemite Park with a slight propane tank leak.

MEXICOWANDERER

las peñas, michoacan, mexico

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Joined: 06/01/2007

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Posted: 03/17/19 12:14pm Link  |  Quote  |  Print  |  Notify Moderator

echo

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