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Old 03-17-2020, 10:20 PM   #1
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Surge Protectors 101

Newbie here and I'm confused, what are the advantages and disadvantages of the two surge protectors pictured below? There is a large price difference.



$110


and this one

$300


Thanks for helping me understand this
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Old 03-17-2020, 11:43 PM   #2
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Originally Posted by bls82261 View Post
Newbie here and I'm confused, what are the advantages and disadvantages of the two surge protectors pictured below? There is a large price difference.



$110


and this one

$300


Thanks for helping me understand this
https://www.progressiveindustries.ne...ed-comparisons
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Old 03-18-2020, 09:48 AM   #3
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One is an EMS the other is just a surge protector.
Rusty
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Old 03-18-2020, 09:50 AM   #4
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For some reason, I can’t see the model numbers you are referencing!
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Old 03-18-2020, 01:43 PM   #5
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EMS protection differences

I assume you have a 30 amp 120 volt system. They both provide essential protection.

The cheap one does not protect against low line voltage. Low line voltage occurs often enough to be of concern if you are running large motors like air conditioning. It can cause over heating.

Frequency protection is not protected in the cheap one. In the US and Canada, frequency errors are rare to non-existent. Sometimes generators may not be configured for 60 cycles. It causes overheating in motors and transformers.

Outlets miss-wired for 240 volts instead of 120 volts by electrician's mistake appear to not be protected and have been reported, but again this is also rare. It will destroy electrical and electronic equipment in your TT.
I wish you good luck and happy trails ahead
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Old 03-25-2020, 11:04 PM   #6
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surge protector brands

I like the Hughes Autoformers brand. They make great surge protectors at a good price.
https://hughesautoformers.com/
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Old 03-26-2020, 12:02 AM   #7
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I'd go for the greater protection provided by the EMS. I installed the hardwired version. One less thing to setup or forget and leave behind hanging on the power pedestal.
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Old 03-26-2020, 01:02 PM   #8
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I'd go for the greater protection provided by the EMS. I installed the hardwired version. One less thing to setup or forget and leave behind hanging on the power pedestal.

or get stolen! I have mine padlocked to the pedestal!
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