The tip alloy is set to have one of three curie points: 600, 700, or 800(ish) °F, and the curie point automatically regulates how much the RF energy actually he

The tip alloy is set to have one of three curie points: 600, 700, or 800(ish) °F, and the curie point automatically regulates how much the RF energy actually heats the tip. The instant it cools down, power is delivered.