{"product_id":"mercury-630ma-quick-blow-fuse-6-x-32mm-250v-f630ma","title":"Mercury 630mA Quick Blow Fuse 6 x 32mm 250V - F630mA","description":"\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cp\u003eThe Mercury F630mA is a 630mA quick blow fuse in a 6 x 32mm glass tube format with nickel-plated brass end caps, rated for 250V AC\/DC circuits. Quick blow fuses respond to overcurrent within milliseconds, cutting power before damage occurs to sensitive components in audio equipment, amplifiers, control circuits and low-current electronic devices.\u003c\/p\u003e\n\u003cp\u003eDesigned for applications where fault current must be interrupted faster than a standard slow-blow fuse would allow, the F630mA suits AV equipment, PA systems, instrumentation, and low-voltage DC circuits where a 630mA threshold provides appropriate protection. The 6 x 32mm dimension is a common IEC format compatible with standard panel-mount and inline fuse holders across European and international equipment.\u003c\/p\u003e\n\u003cp\u003eThe glass tube body allows visual inspection of the internal fuse element to confirm whether the fuse has blown without removing it from the holder. The nickel-plated brass end caps provide consistent contact resistance and resist corrosion in humid environments. The 250V rating covers mains AC circuits as well as lower-voltage DC applications, though the actual breaking capacity depends on the circuit voltage and impedance.\u003c\/p\u003e\n\u003ch5\u003eFrequently Asked\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does 'quick blow' mean?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eQuick blow (also called fast-acting or F-type) fuses open the circuit within milliseconds of detecting overcurrent. This is faster than standard or slow-blow fuses, making them suitable for protecting sensitive electronics that cannot tolerate even brief overloads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat applications use 630mA fuses?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTypical uses include low-power audio equipment, guitar amplifiers, mixers, control circuit boards, instrumentation, and DC power supplies where the normal operating current is well below 630mA and the fuse provides fault protection rather than load switching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these fuses reusable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Once a fuse has blown it must be replaced. The internal fuse element melts to break the circuit and cannot be restored.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit standard 6 x 32mm fuse holders?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 6 x 32mm dimension is an IEC standard and the fuse fits any compliant panel-mount holder, inline holder or PCB-mount clip designed for this size.\u003c\/p\u003e","brand":"AVSL","offers":[{"title":"Default Title","offer_id":45313490387211,"sku":"787.327UK","price":1.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8993\/3835\/files\/787327UK_CO1_76582b5e-c791-4ec1-827b-ea03368bfe74.jpg?v=1715194312","url":"https:\/\/niori.co.uk\/products\/mercury-630ma-quick-blow-fuse-6-x-32mm-250v-f630ma","provider":"Niori","version":"1.0","type":"link"}