100 Amp surge protection and BIT 'Isolation Transformer' from Bryston/Torus
A typical lightning strike is 20,000 amps. So a minimal 'whole house' protector is 50,000 amps. Near zero protection would be a 100 amp protector.
How does that coil stop or absorb what three miles of sky could not? Damning numbers are many.
Isolation performed by that torroid is already inside all electronics. Effective protection is for surges that would otherwise blow through existing protection. That means the surge must be earthed BEFORE entering the building. A protector that costs about $1 per protected appliance is for those surges that would otherwise blow through that isolation transformer and internal protection inside appliances.
This superior solution is provided by manufacturers of better integrity. Including Leviton, Square D, Siemens, Polyphaser, General Electric, Ditek, Intermatic, Syscom, ABB, or Intermatic. A Cutler-Hammer solution sells in Lowes and Home Depot for about $50 - to protect everything. What protects the dishwasher, furnace, every clock, GFCI, dimmer switches, and air conditioner? Those also require protection.
A series mode filter is for another (different) anomaly also called noise or EMI/EMC/RFI.
