{"product_id":"mercury-5-x-20mm-t16a-slow-blow-fuse-250v-time-delay","title":"Mercury 5 x 20mm T16A Slow Blow Fuse - 250V Time Delay","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Mercury T16A is a 5 x 20mm glass-body cartridge fuse rated at 16 amps and 250 volts, built with time-delay (slow blow) construction to tolerate inrush currents without nuisance tripping. The delay-action element allows brief surges during equipment start-up or motor activation to pass without blowing, while still interrupting sustained overcurrent faults within milliseconds.\u003c\/p\u003e\n\u003cp\u003eDesigned for protection in audio equipment, power supplies, amplifiers, motors and control circuits where brief high-current surges occur during normal operation, the T16A suits both industrial and consumer electronics. The standard 5 x 20mm form factor fits most European-spec fuse holders and PCB-mount clips. The glass tube body allows visual inspection of the fuse element without removal.\u003c\/p\u003e\n\u003cp\u003eThe fuse carries IEC approval and meets the dimensional and electrical requirements for 5 x 20mm F-rated (fast-acting) and T-rated (time-delay) cartridge fuses. The nickel-plated brass end caps provide reliable contact in standard fuse holders. Each fuse weighs approximately 0.6g and the glass envelope is sand-filled to suppress arc propagation during fault interruption.\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between slow blow and fast blow?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSlow blow (time-delay) fuses tolerate brief inrush currents during equipment start-up without blowing, making them suitable for motors, transformers and power supplies. Fast blow fuses interrupt overcurrent faults immediately and are used where inrush surges do not occur.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this fuse suitable for mains voltage equipment?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 250V rating covers UK mains voltage (230V) with overhead. However, the 16A rating is higher than typical domestic fuse ratings — verify that 16A is the correct rating for your equipment before fitting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this replace a fast-blow fuse of the same rating?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNot always. Using a slow blow fuse where a fast blow is specified reduces protection speed and may allow damage to occur during fault conditions. Only substitute where the equipment manufacturer specifies a time-delay fuse or where inrush currents cause nuisance blowing with fast-blow fuses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the fuse inspected for failure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe glass body allows visual inspection. A blown fuse typically shows a broken element and blackening or metallic deposits on the inside of the glass. For confirmation, use a continuity tester or multimeter set to resistance mode.\u003c\/p\u003e","brand":"AVSL","offers":[{"title":"Default Title","offer_id":45313486913803,"sku":"787.022UK","price":1.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/787022UK_LB1_8e59c7c8-d0fa-4fe6-abb4-c7649c11942f.jpg?v=1715194162","url":"https:\/\/niori.co.uk\/products\/mercury-5-x-20mm-t16a-slow-blow-fuse-250v-time-delay","provider":"Niori","version":"1.0","type":"link"}