12A Current Rating, 1/4" x 1-1/4" (6.3mm x 32mm) Glass Tube Physical Footprint, Fast-Acting Current-Limiting Fuse, 250VAC Max Voltage, -40°C to +85°C Standard Operational Window | High-performance current-limiting instrument protection fuse manufactured by Bussmann featuring an advanced fast-clearing non-indicating internal silver link matrix engineered to restrict hazardous peak let-through current loops, explicitly designed to isolate upstream transient energy pathways and shield sensitive diagnostic electronic components from short-circuit damage | Industry Exact Equivalents: Bussmann 800LAP-12, Eaton 800LAP-12, Bussmann 800LAP12 | Industry Functional Cross-References: Bussmann KAX-12, Littelfuse KLK-12, Ferraz Shawmut ATM12