Ten fast-blow glass fuses, 5 x 20 mm, selected 3 A — pack of 10 Key benefits Fast-acting overcurrent protection: interrupts faults quickly to limit damage to power supplies, circuits, and connected devices. Clear glass body: allows immediate visual inspection to confirm blown or intact fuses without disassembly. Standard 5 x 20 mm form factor: fits common fuse clips and holders for simple replacement and broad compatibility. Versatile current options: available in a wide range of ratings to match different circuit requirements; this pack contains fuses rated at 3 A. What you get (specifications) Quantity: 10 pieces Type: Fast blow (fast-acting) glass fuse Size: 5 x 20 mm (standard) Material: Glass body with metal end caps Voltage rating: 0 V (as specified) Current rating: 3 A (selected for this pack) Other available current ratings: 0.1 A, 0.2 A, 0.5 A, 1 A, 1.5 A, 2 A, 2.5 A, 3.15 A, 4 A, 5 A, 6 A, 7 A, 8 A, 10 A, 12 A, 15 A, 20 A, 30 A Why choose these fuses Reliable, predictable interruption characteristics make them suitable for protecting sensitive electronics and power sources. The compact 5 x 20 mm size and standard end caps simplify stocking, replacement, and maintenance. Glass construction speeds troubleshooting by letting you see the fuse element at a glance. Practical applications Protect bench power supplies, DC adapters, and charging circuits in electronics workstations. Safeguard hobby and prototyping projects, including microcontroller-based builds that require a 3 A fuse. Provide overcurrent protection for small appliances and audio gear such as fans, radios, and pedal power supplies. Package contains 10 fast-blow 5 x 20 mm glass fuses rated at 3 A.