Mike,
I installed a hard wired unit from CW. Works good and nothing to leave behind or walk away. Does a good job verifying the power parimeters before connecting, trips and resets itself if they fall outside specs.
We often just use a 12" 50-30 amp Marinco adapter and a 30 amp cord when 50 amp isn't avail, or we don't need 50. Haveing a portable surge protector will mean more adaptors or having to drag out the monster cord each time.
I think both units offer the same protection.
Cheers,
Bill
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