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Total Seller Ratings: 4.30/5
Camesovy

RS485 Lightning Security Surge Arrester Protection Device YJS2201M- 485C

Digg(117) ( 31 Reviews)
       
US $11.99
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Thunders and storms usually appear around home or office. How can you protect your signal devices and yourselves? Here we highly recommended you this lightning surge arrester. This lightning surge arrester protection device adopts special treatment which can avoid signal interferences. It makes the compression joint signal control devices sensitive to electromagnetic interference. Besides, made of high quality materials, this lightning surge arrester is durable and reliable enough for long time using. Also this device is easy to install and use. Great performance and reliability make this lightning arrester one of our bestsellers. You can enjoy more safeties in your life with this lightning arrester. It’s a good choice for you and your family!
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Product Description

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  • Specifications: 

    • Nominal Discharge Current Capacity (8/20µs): 5KA
    • Max. Discharge Current Capacity (8/20µs): 10KA
    • Special treatment to avoid signal interference
    • Compact design
    • Easy to install
    • The lightning protector can nake the compression joint signal control devices sensitive to electromagnetic interference (RS485)

    Package Included:

    • 1 x Lightning Protector

Customers' Reviews

Overall:
  ( 31 Reviews)
Price:
Quality:
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I have bought this product

Octavia

Bought this item on

03-27-2012
00:00:00 03-27-2012 Wonderful! Overall:  
  • Other Thoughts: I have had no issues with surges since installed. I would suggest this as current from a power source is only one way that a surge can occur. Input from cable and telephone lines can also be a source of power surges.

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Nina

Bought this item on

02-23-2012
00:00:00 02-23-2012 Marvelous! Overall:  
  • Other Thoughts: I installed this upstream of my cable modem and everything is fine. I added a ground to the electric outlet from this surge device. <br/>It works fine.Adding the ground is most important. <br/>Happy Surfing !

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Lester

Bought this item on

01-20-2012
00:00:00 01-20-2012 Really nice! Overall:  
  • Other Thoughts: Item was as described and priced very reasonable compared to similar products. Would buy it again if I needed it for surge protection.

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Michael

Bought this item on

12-23-2011
00:00:00 12-23-2011 Fantastic! Overall:  
  • Other Thoughts: The quality of it seems pretty good. It is easy to install and a small price to pay for peace of mind. It does not degrade my cable signal in any way; cable modem works fine with it.

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Nelson

Bought this item on

11-24-2011
00:00:00 11-24-2011 Great buy Overall:  
  • Other Thoughts: For normal surge protection, I believe this is a very good unit and has gotten very good reviews elsewhere on the internet.

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Leona

Bought this item on

10-20-2011
00:00:00 10-20-2011 Good appearance Overall:  
  • Other Thoughts: This was easy to install and I used it to replace a plain grounding block at the cable TV service entrance to my house.

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Oscar

Bought this item on

09-15-2011
00:00:00 09-15-2011 Great product, great price Overall:  
  • Other Thoughts: it's very well built. Make sure you use a ground wire or else I don't think this will even work. No ground means no surge protection.

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Kelly

Bought this item on

07-08-2011
00:00:00 07-08-2011 Product is what I expected Overall:  
  • Other Thoughts: At the very least, this limitation should be made clear in the product description. <br/> <br/>So, five stars for the unit itself, minus one for the incomplete product description.

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Joyce

Bought this item on

05-19-2011
00:00:00 05-19-2011 Better than advertised Overall:  
  • Other Thoughts: the system still works great. I havent had to replace the batter for the collar yet either. I couldn't be more pleased with this system! I have had no problems!

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Perry

Bought this item on

03-23-2011
00:00:00 03-23-2011 Bigger than expected or wanted Overall:  
  • Other Thoughts: If you put the main unit in your garage attached to your house you will definitely know if something is wrong with your connection. <br/> <br/>If you are looking for an underground fence, this is the best unit available.

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Product FAQs
  • What is a good surge protector for lightning?
  • Any well-known major brand (Belkin is just one example) and it should be plugged into a grounded outlet without an adaptor.
    If your home has circuit breakers instead of fuses, this is preferable too.
    Finally, I'd recommend a surge suppressor with a phone jack unless you're 100% wireless (a surge can also fry your PC through a phone line).

  • Is it dangerous or risky to watch an HD tv during a lightning storm? I have a surge protector?
  • HD has nothing to do with it. The danger is always there with lightning, especially with a rooftop antenna or satellite dish. The best defense is to completely disconnect your antenna and pull the power cord (your surge protector protects mainly from minor voltage surges on your electrical service, not a lightning strike).
    The hazard is a little less with cable TV distribution that is buried rather than pole-mounted, but the hazard is still there.

  • How does a surge protector supposedly 'stop' lightning?
  • The surge protector does not need to "stop a lightning bolt". All it needs to do is clamp down on the residual voltage created by a nearby lightning strike which can be a pretty high voltage.
    If a lightning bolt went through your window and struck your TV (not likely) the surge protector would obviously be useless.
    They do work it many circumstances but not every conceivable one. Every valuable piece of equipment in your home should be on a good surge protector. Don't forget to protect your incoming cable and phone lines too. Lightning is very sneaky.

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