The Lot of 2 Bussmann FRN-R-80 Fusetron Dual Element Time-Delay fuses are designed for electrical equipment and supplies, specifically in a business and industrial setting. These fuses have a Time-Delay/Slow-Blow fuse speed and a Current-Limiting fuse classification, making them suitable for interior use. With a voltage range of 201-250 V and a current rating of 71-80 A, these copper fuses are compatible with ADT Pulse for smart home integration. Ideal for protecting electrical circuits, these fuses offer reliable and effective protection for your equipment.