SparkChaser
BURY BECK
Premium
join:2000-06-06
Downingtown, PA
 ·Verizon FIOS
 ·Comcast
| reply to steve1515
Re: Whole House Surge Protector?
The word surge suppressor is sort of a misnomer (IMO). There is another term used TVS (Transient Voltage Supressor) which is closer to reality. See picture
All the ones I know of use MOVs (Metal Oxide Varistor) or SOVs (Silicon Oxide Varistor). Delta has a capacitor they sell, as well.
It basically operates as a voltage sensitive resistor. No current flows through the resistor until it reaches a trigger voltage. At that point current starts flowing and the transient is shunted through the MOV minimizing the affects of the high voltage spike.
Here are 2 suppliers first one uses MOV the other SOV
»www.intermatic.com/?action=div&did=6
»www.deltala.com/how.htm
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