Surge Protector Thailand

[Elisabet Schwartzkopf]

MCGdesigns and manufactures highly reliable surge protectors (SPDs) that guard sensitive equipment from damage. AC Power Line, Data Line, DC and Low Voltage SPDs made in New York since 1967. Applications include hospitals, financial institutions, military installations and other mission critical activities.

MCG is a world leader in transient voltage surge suppression (TVSS) products and components including AC power surge protection, DC power surge protectors, RF coaxial surge suppressors, metal oxide varistor (MOV) surge suppressors and component gas discharge tube surge arresters.

It takes only a tiny amount of voltage increase to damage most of today's sensitive electronics. These voltage irregularities are caused by many factors such as lightning, large appliances turning on, home wiring problems, and problems with a local power provider.

The most common is called a metal oxide varistor (MOV). The MOVs are placed inside the surge protector to "absorb" any excess voltage and then act as a "shunt" resistor to divert the excess current to the ground.

The second device is called a gas discharge arrestor (GDR) that acts similar to an MOV. When the voltage is at a certain level, the makeup of the gas is a poor conductor. When the voltage surges above that level, the electrical power is strong enough to ionize the gas, making it an effective conductor. It passes on current to the ground line until the voltage reaches normal levels, and then becomes a poor conductor again.

Although the exterior of the unit may appear in perfect condition, the internal components inside can only take so many spikes before they begin to become ineffective. The condition of these MOVs and GDRs is contingent on the age of the surge protector, geographic location, and condition of the home wiring.

There are many different manufacturers of surge protectors. They vary in price, style, telephone line protection, and voltage handling capacities. Whichever one you choose, ensure that the surge suppressor has been tested and listed for the stringent requirements of UL 1449, the standard for transient voltage surge suppressors.

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I have been having a few problems with my electrical mains supply - (It keeps getting cut off randomly) and when the power is restored it seems to give the system a bit of a blast to the point where I have had three TV's blown, (Backlight LED's and PSU fried) and now two PC's, (looks like fried RAM and a fried CPU)

Obviously EGAT are not going to pay for the repairs so I have to bite the bullet again. What I was hoping for is can anyone give me some solid advice as to a decent surge protector that would prevent these devices getting destroyed?

I would like to protect the rntire system from the Consumer Unit covering the entire house, but most of the problems have ocurred in one particular room, so even a good brand 4 output power strip would be better than nothing.

It might be something to do with the way the house is wired but one room and its sockets are particularly prone to blowing devices - Any good soul out there that has suffered and found the answer, be very pleased to hear from you. (I bought a power strip many years ago that claimed to do everything, surge protection, earth fault detection etc. but it was just a piece of junk that did nothing - so if anyone has some knowledge of a product that works, please let me know)

Hence the reason for the post.....practical suggestions would be a help. It would be nice to protect everything as it enters the Consumer Unit, but as a minimum, some sort of protection for one room that maybe needs 4-6 3 pin outlets would do.

It would be nice to get something that I could put between my 100 Amp Chang Breaker and my consumer unit, but most of the stuff I can find online here in Thailand is either DC ir 3 Phase, a couple are designed to fit into the consumer unit but I can never find anything that fits the rails on my Square D Consumer unit.

I nearly bought insurance, but never got round to it, that is a very good suggestion. I think it is about time that EGAT got into the 21st Century and started letting people know when they are going to mess with thew supply - it would be a good start, then start fining the retards that connect 500 Amp welders to the grid and fry everyone's supply. Problem here is the idea of "RESPONSIBILITY" is negated by Karma and what will be will be. When these so called adults with a 5 year old mentality realise actions have consequences (maybe financially) then things might get better.

I bought a power strip many years ago that claimed to do everything, surge protection, earth fault detection etc. but it was just a piece of junk that did nothing - so if anyone has some knowledge of a product that works, please let me know

I woula love to get something from Lazada, but most of their products look like they could not handle a 3 Amp load let alone a surge from an electrical fault, most of their junk is Chinese trash that you really would not want to even plug into your wall sockets unless you were trying to burn the building down and claim on insurance!

I meant you could locate a product at powerconnexshop.com that looked ok then search Shopee and Lazada for a better deal. For example this one looks ok currently on sale for 988 but I've never purchased any of their products although I'm in the market for a decent surge suppressor too:

But, since you are seeing the damage occuring after a power interuption I'm not completly convinced they will help much. It might be an idea to add a switch-on delay that waits a few seconds after the power returns before connecting your load. We wait 2 minutes after the power comes back before switching back and stopping the genset.

You need to contact your local provider and they will investigate and eventually pay out. You will probably not get the full value , but they will come and examine your setup yoo and that alone is worth a pretty penny

If the problem is in one particular location whereas other locations are not affected, I suggest that you conduct a full check on your wiring and components at the affected location to identify the cause which could be anything from loose connections to harmonics build-up. It is better to identify, fix, and treat the cause, rather than deal with the damage it creates.

You could build the best, smallest and cheapest voltage protector by a few electronics components. if you/friend have some knowledge of electronics. And place it in body of a switched extension cord. Each socket could have own individual protector.

Just yesterday I had Lightning strike one of my Plug-in Wall Sockets. It blew that to tiny bits as well as about 5 centimeters deep and 25 centimeters long of concrete it was attached to. The Lightning traveled through the house wire and blew out 2 more sockets and also a Light Switch. One in which my computer was plugged into.

At the time all the power to the house was shut off. As was my computer. But the Lightning still managed to strike and destroy my computer plug-in and battery charger to my Lap Top, and a few small appliances like my air fan and coffee pot. Lucky for me I have another Battery Charger as a spare.

So yes, surge protectors are useful here. I am just lucky it did not destroy my Lap Top. I am going out to buy one tomorrow, or perhaps a few as this could have happened to my TV or new Refrigerator as well..

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