Best way to ask this question is to give you context in sequence.
1st thing I bought for my brand new RV was the Surge Guard by Southwire 44270. It has worked great and I am proud of it.
Almost a year later, I have learned that as nice as it is; it is NOT a EMS, does not monitor loads, or show voltage / amps etc., I am looking at the Southwire Surge Guard 34951 model for 50 amps with Bluetooth but it costs $400
To follow where I am going you have to assume I am poorest RV owner in Texas
So here is what I am thinking to help justify this purchase. Suppose I use my existing Surge Guard like I always have, but buy the new EMS 34951 and plug it into the the 44270?
Given, both are rated for 4200 joules protection. If I have large spike wouldn't it destroy the basic $100 - 44270 and save the $400 - 34951? Or is it that if I get hit with say 5,000 joules; it will blow both at the same time?
By now my questions and reason should be simple and I don't come under fire for at least asking. I know the 34951 can protect for surge, but since the surge is destructive to the device, I am wondering if it makes sense to have both anyway? The 34951 can still do all of the other functions to protect the RV, but I would in effect have double protection for electrical spike.
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