Relays....
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Lead Driver
Joined: Apr 2007
Posts: 5,958
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From: Houston
Relays....
Im wanting to redo my old truck under the hood and go with a relay fuse box. Thing is that what fits my bill is not mini 5 terminal relays but the micro relays.
My question is what amperage are micro relays rated at vs mini?
Theses relays i have mounted is for my low beam high beam and 100w driving lights. Will be adding another relay down the road to power four more 100w spot lights.
My question is what amperage are micro relays rated at vs mini?
Theses relays i have mounted is for my low beam high beam and 100w driving lights. Will be adding another relay down the road to power four more 100w spot lights.
More Turbo
Joined: May 2014
Posts: 642
Likes: 12
Relays....
Im wanting to redo my old truck under the hood and go with a relay fuse box. Thing is that what fits my bill is not mini 5 terminal relays but the micro relays.
My question is what amperage are micro relays rated at vs mini?
Theses relays i have mounted is for my low beam high beam and 100w driving lights. Will be adding another relay down the road to power four more 100w spot lights.
My question is what amperage are micro relays rated at vs mini?
Theses relays i have mounted is for my low beam high beam and 100w driving lights. Will be adding another relay down the road to power four more 100w spot lights.
To calculate current, take the total wattage of the lights and divide it by the system voltage
The four 100 watt lights put you over budget by nearly double. 400w / 12v = 33.333A. You'll have to use a mini relay or split them up into pairs. I'd go the latter route myself so they can be switched independently if you want.
Have you considered a box that has both types of relays in it? It might give you some extra ideas for electrical awesomeness later on.
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azu
1983 - 2012 Ranger & B-Series
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Jul 26, 2008 01:07 PM
