what are these components?
Hi This is a picture of the progressive industries surge suppressor. Does anyone know what these items are?
Forum Discussion
SoundGuy wrote:
Yes, the MOVs used for surge protection are considered sacrificial and can eventually fail if they sustain sufficient surges but in such a case all one needs to do is call Progressive and they will mail out by USPS a new MOV circuit board.
Sacrificial MOVs violate MOV manufacturer datasheets. A sacrificial protector did not do protection. That catastrophic failure is completely unacceptable - considered a human safety threat. Normal failure mode for MOVs is degradation. That means MOVs still operate; but at voltages at least 10% from its original design.
A word 'surge' has numerous meanings. For example, polarity reversal is a surge. Too little voltage is a surge. Too much current is a surge. No surge protector protects from all. A protector used in homes protects from surges different from what PI would protect from in campgrounds. Honest answers numerically detail various anomalies.
Surges most often addressed in campgrounds are floating ground, high or low voltage, and reversed polarity. To say more requires numeric specs for that model.
