The Bussmann Fuse JJS-80 is a high-quality electrical protection device designed to safeguard HVAC equipment from overcurrent conditions. This Bussman T Fuse, which operates at a voltage rating of 600Vac and a current rating of 80A, is specifically designed to cut off high currents that can harm HVAC components or result in system problems. https://www.partshnc.com/jjs-80-bussmann-fuse-bussman-t-fuse-80a-600vac