Tytewadd Power Filters - Lightning Protection Performance TYTEWADD POWER FILTERS . . . CLAMP SURGES AS MODERATE AS 130 VOLTS - TO THOSE PRODUCING 10,000 AMPS. RESPOND IN 1.5 NANO SECONDS (w/6" lead). REDUCE RISK OF ELECTRICAL FIRES FROM LIGHTNING SURGES. OPEN BREAKER THEY ARE CONNECTED TO IF A SURGE EXCEEDS THEIR CAPACITY. WILL SELF EXTINGUISH MAX CURRENT TEST 10,000 AMPS.(one phase to neutral/ground)