Quality relay for driving lights

Submitted: Wednesday, Jun 01, 2005 at 21:00
ThreadID: 23505 Views:1570 Replies:4 FollowUps:4
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Can anyone suggest a relay (part no) for a loom to run light force 170's. I would like to run a dual throw with seperate breakers in like pirahna do but cannnot seem to find a good quality relay. If anyone has done the same thing and have found the right components that would be great,

Cheers Tim
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Reply By: SantaAus - Wednesday, Jun 01, 2005 at 22:11

Wednesday, Jun 01, 2005 at 22:11
Smeetsy,

Hust my 5cents, but why run the duel throw and seperate breakers, i have found that the cheaper things do just as good a job as the more expensive items. If you are worried about reliability then with the cheap version you can by a couple of spares.

SantaAus
AnswerID: 113997

Reply By: Member - RockyOne - Thursday, Jun 02, 2005 at 08:24

Thursday, Jun 02, 2005 at 08:24
Hi Smeetsy,We have had our fair share of those little black relays over the years..Including name brands..All have long ago been tossed..We now only use the big relays in,usually a metal housing (water resistant) about 75mm sq..They last so long we even transfer them to new rigs.You,of course,only need very average wiring up to the point of the relay.Where you need the heavy cable is from Pos (+) battery term to relay,then relay to lite.No good having heavy power coming in if it can't go back to batt.So make sure the black or green earth return wire from the lite/lites is of equal duty..I realise you probably already know this,but it may help a newer four-wheeler get it rite first time..The little black relays are "cheaper" on the day you buy them but you pay the price further on,as,like most things,they only fail when you need them..One 'roo can equal several thousand $..(Hit a weaner,cow,Nissan Patrol,bullbar,cost $4,500 to insurance)
AnswerID: 114049

Reply By: Member - Roachie (SA) - Thursday, Jun 02, 2005 at 10:23

Thursday, Jun 02, 2005 at 10:23
The one I use for my 240 Blitz lightforce units is a NEW ERA. It has provision for 2 separate switch inputs and 2 separate outputs. So, I have one Lightforce light off each output and have bridged the 2 switch lugs together and connected them to the dash switch. The NEW ERA has 2 separate fuses of the blade type which are accessible without having to take any cover/s off etc. You should be able to get them from any Repco/Autopro/ Supacheap etc. Sorry, don't know the part number.
Cheers
Roachie
AnswerID: 114064

Follow Up By: Bob Y. - Qld - Saturday, Jun 04, 2005 at 08:29

Saturday, Jun 04, 2005 at 08:29
Agree with Roachie, New Era's are hard to beat, and last for "forever".

Only criticism I'd have is the screw terminals, the screws are small and can disappear. Blade terminals would be better.

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Can't remember most of it.

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Reply By: Member - Chrispy (NSW) - Thursday, Jun 02, 2005 at 10:30

Thursday, Jun 02, 2005 at 10:30
Given that tradtional relays have moving parts that arc and spark to make contact - they are going to wear out or stuff up sooner than later in medium to high-draw applications.

Has anyone ever tried or contemplated using solid state relays?
AnswerID: 114065

Follow Up By: viz - Thursday, Jun 02, 2005 at 11:47

Thursday, Jun 02, 2005 at 11:47
Where do you get them from???

/viz
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Follow Up By: Member - Chrispy (NSW) - Thursday, Jun 02, 2005 at 11:59

Thursday, Jun 02, 2005 at 11:59
Ocean Controls (Vic) is one place...
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Follow Up By: geocacher (djcache) - Friday, Jun 10, 2005 at 21:40

Friday, Jun 10, 2005 at 21:40
The only problem I see here is that the switching voltage to turn the relay on on all models would appear to be 240v AC to trigger. They usually require heatsinking also.

Dave
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