{"product_id":"5x20mm-glass-fuse-1a-250v-fast-blow","title":"5x20mm Glass Fuse 1A 250V Fast Blow - M205 Quick Blow Cartridge Fuse","description":"\u003cdiv class=\"nznpd\"\u003e\n\u003cdiv class=\"nznpd__lead\"\u003e\n\u003cp class=\"nznpd__intro\"\u003eA 1A fast-blow glass fuse in the common 5x20mm size, also called M205. It fits the standard 5x20mm fuse holders found in power supplies, amplifiers, test gear, 12V accessories and project boxes. The clear glass lets you see at a glance whether the wire inside is still whole, and a fast-acting fuse opens quickly on a short or overload to protect the wiring and parts behind it.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__specs\"\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSize\u003c\/span\u003e\u003cstrong\u003e5 x 20mm (M205) cartridge\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eCurrent rating\u003c\/span\u003e\u003cstrong\u003e1A\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eVoltage rating\u003c\/span\u003e\u003cstrong\u003e250V maximum, fine on any lower voltage\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSpeed\u003c\/span\u003e\u003cstrong\u003eFast-acting (F), also called quick blow\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eNormal running current\u003c\/span\u003e\u003cstrong\u003eUp to about 0.75A for a fuse that lasts\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eBody\u003c\/span\u003e\u003cstrong\u003eClear glass tube with a single fuse wire\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eEnd caps\u003c\/span\u003e\u003cstrong\u003ePlated metal, stamped F1AL250V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eFits\u003c\/span\u003e\u003cstrong\u003e5x20mm panel holders, inline holders and PCB fuse clips\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003ePolarity\u003c\/span\u003e\u003cstrong\u003eNone, fits either way round\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003ca class=\"nznpd__dsbar\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/nzn-5x20mm-glass-fuse-1a-250v-fast-datasheet.pdf\" target=\"_blank\" rel=\"noopener\" aria-label=\"Download the 5x20mm 1A fast glass fuse technical datasheet (PDF)\"\u003e\n\u003csvg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z\"\u003e\u003c\/path\u003e\u003cpolyline points=\"14 2 14 8 20 8\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n\u003cspan\u003eFull technical datasheet, marking key and fuse selection guide\u003c\/span\u003e\n\u003cspan class=\"nznpd__dsmeta\"\u003ePDF\u003csvg width=\"17\" height=\"17\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4\"\u003e\u003c\/path\u003e\u003cpolyline points=\"7 10 12 15 17 10\"\u003e\u003c\/polyline\u003e\u003cline x1=\"12\" y1=\"15\" x2=\"12\" y2=\"3\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/span\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__included\"\u003e\n\u003cdiv class=\"nznpd__qty\"\u003e5+\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e1A 5x20mm fast-blow glass fuses\u003c\/strong\u003e\u003cp\u003eSold per fuse with a minimum of 5. You receive the quantity you order, loose in a clear bag.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__uses\"\u003e\n\u003cdiv class=\"nznpd__use\"\u003eReplacing a blown 1A fast fuse in a power supply or amplifier\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eFusing the 12V feed to an LED strip, fan or small pump\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eProtecting a bench power supply output or test lead\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eInline fuse holders on car and caravan accessories\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eProject boxes with a panel-mount fuse holder\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eKeeping spares in the toolbox for 5x20mm holders\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"nznpd__block\"\u003e\n\u003cdiv class=\"nznpd__qs\"\u003e\n\u003ch3\u003eWiring \u0026amp; getting started\u003c\/h3\u003e\n\u003col class=\"nznpd__steps\"\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCheck the size and rating\u003c\/strong\u003e\u003cp\u003eMeasure the old fuse: 20mm long and 5mm across is this size. Replace like with like: the same current, the same speed (F for fast, T for slow) and a voltage rating at least as high as the circuit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eSize it for a new circuit\u003c\/strong\u003e\u003cp\u003ePick a fuse above the circuit's normal current, so this 1A fuse suits loads up to about 0.75A. If it blows every time you switch on a motor or transformer, the circuit needs a slow-blow fuse rather than a bigger fast one.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eFit it in a holder\u003c\/strong\u003e\u003cp\u003eUse a 5x20mm fuse holder in the positive or active line, as close to the power source as you can. Turn the power off before changing a fuse.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eChecking a blown fuse\u003c\/strong\u003e\u003cp\u003eA blown fuse has a broken wire or a darkened, smoky glass. A dark glass means a hard short, so find the fault before you fit a new one.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003cp class=\"nznpd__note\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Glass fuses suit electronics and low-voltage DC work. When replacing a fuse inside mains equipment, match the original exactly; if it was a ceramic or sand-filled fuse, use the same type, not glass.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"NZN Electronics","offers":[{"title":"Default Title","offer_id":67621216321632,"sku":"FUSE-GLS-5X20-F1A","price":0.79,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/5x20mm-glass-fuse-1a-250v-fast-blow-five.png?v=1791339183","url":"https:\/\/www.nznelectronics.co.nz\/products\/5x20mm-glass-fuse-1a-250v-fast-blow","provider":"NZN Electronics","version":"1.0","type":"link"}