{"product_id":"siguranta-rapida-4a-sticla-fuzabila-dimensiune-5x20mm-set-100-buc","title":"Fast-Blow Fuse 4A, Glass, Fusible, Size 5x20mm, Set of 100 pcs","description":"\u003cp\u003e\u003c\/p\u003e\u003cdiv class=\"cl-desc\"\u003e\n\n\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"cl-intro\"\u003e\n\n\u003cbr\u003e\u003ch2\u003e4A Fast-blow Fuses for Electrical Circuit Protection\u003c\/h2\u003e\n\n\u003cbr\u003e\u003cp\u003eSet of 100 fast-blow glass tube fuses, designed for efficient protection of electrical and electronic equipment against overloads and short circuits. The standard 5x20mm size ensures universal compatibility with power supplies, stabilizers, transformers, and other household or industrial devices. A reliable solution for preventive maintenance and quick replacements at an affordable price.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"cl-benefits\"\u003e\n\n\u003cbr\u003e\u003ch2\u003eWhat you get with this product\u003c\/h2\u003e\n\n\u003cbr\u003e\u003cul\u003e\n\n\u003cbr\u003e\u003cli\u003eGuaranteed stock for at least 100 repairs or installations — no more running out of fuses when you need them urgently\u003c\/li\u003e\n\n\u003cbr\u003e\u003cli\u003eUniversal compatibility with most 250V equipment — works with power supplies, TVs, radios, stabilizers, transformers\u003c\/li\u003e\n\n\u003cbr\u003e\u003cli\u003eFast circuit protection — instantly disconnects when amperage is exceeded, preventing damage to expensive equipment\u003c\/li\u003e\n\n\u003cbr\u003e\u003cli\u003eClear status visibility — transparent glass tube allows quick checking if the fuse is blown without disassembling\u003c\/li\u003e\n\n\u003cbr\u003e\u003cli\u003eInternationally recognized standard 5x20mm size — mounts directly into existing fuse holders without adapters\u003c\/li\u003e\n\n\u003cbr\u003e\u003cli\u003eExcellent price-quality ratio for bulk sets — ideal for service centers, electricians, or households with many appliances\u003c\/li\u003e\n\n\u003cbr\u003e\n\n\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"cl-how\"\u003e\n\n\u003cbr\u003e\u003ch2\u003eHow it works and how to install\u003c\/h2\u003e\n\n\u003cbr\u003e\u003cp\u003eEach fuse contains a metallic filament inside the glass tube that instantly melts when the nominal current of 4A is exceeded, interrupting the electrical circuit. Installation is simple: disconnect the appliance from the mains, remove the blown fuse from the fuse holder, insert the new fuse until secure, then reconnect. The glass tube allows visual inspection — a broken filament indicates a blown fuse. No special tools are required, just observe the correct polarity in certain fuse holders.\u003c\/p\u003e\n\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"cl-faq\"\u003e\n\n\u003cbr\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003cbr\u003e\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I know if this fuse fits my appliance?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eCheck the appliance label or technical manual for specifications — it must match the maximum voltage 250V, current 4A, and size 5x20mm. If the old fuse has these physical dimensions, the set is compatible.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy does the fuse blow frequently on my appliance?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eRepeated blowing indicates a problem with the equipment — internal short circuit, excessive consumption, or undersized fuse. Never replace with a higher amperage than recommended by the manufacturer, as there is a risk of fire.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\u003cdiv class=\"cl-faq-item\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use these fuses for appliances with a current lower than 4A?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eYes, the 4A fuse also protects circuits with lower consumption — it will disconnect when the 4A threshold is exceeded. However, do not use it for appliances that require higher amperage, as they will blow immediately.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"cl-specs\"\u003e\n\n\u003cbr\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\n\u003cbr\u003e\u003ctable\u003e\u003ctbody\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\n\u003ctd\u003eFast-blow glass tube fuse\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eRated current\u003c\/td\u003e\n\n\u003ctd\u003e4A\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eMaximum voltage\u003c\/td\u003e\n\n\u003ctd\u003e250V AC\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\n\u003ctd\u003e5 x 20 mm (diameter x length)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eTube material\u003c\/td\u003e\n\n\u003ctd\u003eTransparent glass\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eEnd cap material\u003c\/td\u003e\n\n\u003ctd\u003eNickel-plated metal\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eTripping type\u003c\/td\u003e\n\n\u003ctd\u003eFast-blow\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eSet quantity\u003c\/td\u003e\n\n\u003ctd\u003e100 pieces\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eRecommended applications\u003c\/td\u003e\n\n\u003ctd\u003ePower supplies, stabilizers, TVs, radios, transformers, electronic equipment\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\u003ctr\u003e\n\n\u003ctd\u003eEAN Code\u003c\/td\u003e\n\n\u003ctd\u003e0781499710259\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003cbr\u003e\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cbr\u003e\u003cbr\u003e\u003cdiv class=\"cl-warranty\"\u003e\n\n\u003cbr\u003e\u003ch2\u003eWarranty and support\u003c\/h2\u003e\n\n\u003cbr\u003e\u003cp\u003eThe product benefits from a 24-month warranty in accordance with current Romanian legislation, covering manufacturing defects. 30-day return policy for unused products in original packaging. Fast national courier delivery in 1-3 business days. For questions about compatibility or technical specifications, the CLASSLIGHTS team is available\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"OEM","offers":[{"title":"Default Title","offer_id":56801615970635,"sku":"Q-16F011","price":1800.0,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1032\/2067\/4891\/files\/Siguranta-Rapida-de-Sticla_06dc7b36-aba0-4032-9997-5f79509b25b2.jpg?v=1773834781","url":"https:\/\/classlights.eu\/products\/siguranta-rapida-4a-sticla-fuzabila-dimensiune-5x20mm-set-100-buc","provider":"ClassLights","version":"1.0","type":"link"}