DB board surge protection

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dalkill
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Mon Dec 10, 2018 7:15 am

So with the latest rounds of load shedding, i fear for my electronic equipment once more.
I have already lost tv and two decoders over the years. Now i read last week, that someone even lost their washing machine becuase PCB blew. :shock2: And i just bought new washing machine 2 months ago.

SO i thought of getting the the individual surge protectors plugs for each plug :

https://www.takealot.com/ellies-feafg16 ... lsrc=aw.ds

But that could turn out quite and expensive exercise ... So it thought of getting just one for the DB board... connected to the main input:

https://www.takealot.com/eaton-dc-solar ... lsrc=aw.ds

But is this not just like your mains trip switch. And why is my mains trip switch not doing it's job in the first place?
2007 d4d 3.0 D/C 4x4 (Mar 2016 - current) (Buraaq V)
2003 Isuzu KB300 tdi LX D/C 4x4 (May 2015 - Feb 2016) aka Buraaq IV
2000 hilux DC 2.7 4x4 (Jul 2011 - Sep 2012) aka Buraaq III
1999 RXI 20v (Nov 2009 - Jul 2011) aka Quicksilver
1990 hilux DC 2.2 4x4 (Jun 2008 - Jul 2011) aka Buraaq II
1997 corolla 160i GLE (Feb 2007 - Sep 2009) aka Green Goblin
1990 GLI twincam (still my fav rolla) (Oct 2005 - Mar 2007) aka Wit Blitz
Golf GTI 2.0 (temp insanity for 2months) (Jun 2005 - Aug 2005) aka A mistake
1993 hilux SC 2.2 4x4 (April 2003 - Sept 2005) aka Buraaq

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Hunter26
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Fri Dec 28, 2018 4:57 pm

dalkill wrote:So with the latest rounds of load shedding, i fear for my electronic equipment once more.
I have already lost tv and two decoders over the years. Now i read last week, that someone even lost their washing machine becuase PCB blew. :shock2: And i just bought new washing machine 2 months ago.

SO i thought of getting the the individual surge protectors plugs for each plug :

https://www.takealot.com/ellies-feafg16 ... lsrc=aw.ds

But that could turn out quite and expensive exercise ... So it thought of getting just one for the DB board... connected to the main input:

https://www.takealot.com/eaton-dc-solar ... lsrc=aw.ds

But is this not just like your mains trip switch. And why is my mains trip switch not doing it's job in the first place?
Providing you have a mains circuit breaker and not an isolator. A breaker only trips if the current being pulled through the breaker exceeds the breakers rated current or if there is a short circuit. It will not operate if lighting or a surge in voltage occurs before the breaker.

The SANS 0142 was to include a new regulation that all new houses had to install surge protection devices in the Distribution Board to make the house compliant. After further testing it was found that surge protection devices does not operate fast enough if a strike is near or direct. Thus they did not implement the regulation.

Lightning and voltage surges are a bastard. Some devices may protect but to find the one approved surge is a good guess.

Wrt load shedding or outages. I switch off all breakers except mains and light breakers. I leave only one light on. When the power is restored I wait at least 15-20min for every thing to settle before switch rest of breakers on.

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Fri Dec 28, 2018 11:31 pm

Have to agree here ..... I'm no sparky, but surge protectors are not as efficient as we would like them to be. Perhaps a better option would be a UPS that can absorb the surge, but that's going to be a pricey option for a UPS system that can handle the wattage requirement of your household or even just the plug circuits. :think:
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dalkill
LR4WD, Lockers, Crawler Gears
LR4WD, Lockers, Crawler Gears
Posts: 1482
Joined: Wed Feb 13, 2008 8:34 am
Town: Cape TOwn
Vehicle: 2007 3.0 d4d DC 4x4
Real Name: Shaakir

Mon Jan 14, 2019 9:41 am

Eish.. and here i thought surge protectors was the answer to my problems.
We havealos resorted to switching off appliances when scheduled load shedding was due... but after a few days of no load shedding at the advertised time slots, we just forgot about it.
And now i'm afraid load shedding sporadically, even at advertised times, cause we don't trust that schedule to prepare anymore... :-(
2007 d4d 3.0 D/C 4x4 (Mar 2016 - current) (Buraaq V)
2003 Isuzu KB300 tdi LX D/C 4x4 (May 2015 - Feb 2016) aka Buraaq IV
2000 hilux DC 2.7 4x4 (Jul 2011 - Sep 2012) aka Buraaq III
1999 RXI 20v (Nov 2009 - Jul 2011) aka Quicksilver
1990 hilux DC 2.2 4x4 (Jun 2008 - Jul 2011) aka Buraaq II
1997 corolla 160i GLE (Feb 2007 - Sep 2009) aka Green Goblin
1990 GLI twincam (still my fav rolla) (Oct 2005 - Mar 2007) aka Wit Blitz
Golf GTI 2.0 (temp insanity for 2months) (Jun 2005 - Aug 2005) aka A mistake
1993 hilux SC 2.2 4x4 (April 2003 - Sept 2005) aka Buraaq

TOYOTA IS MY LEWE
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