{"product_id":"no-663-fuse-reducer","title":"NO.663, Fuse Reducer","description":"\u003ch2\u003eNO.663 Fuse Reducer – Electrical Fuse Reducer for Class H\/K and R Fuses\u003c\/h2\u003e\n\n\u003cp\u003eThe NO.663 Fuse Reducer from Bussmann is designed to install on fuse ferrules or blades, enabling the use of smaller size fuses than those originally specified for fuse blocks or holders. This product is suitable for electrical distributors and switchgear suppliers requiring reliable fuse size adaptation for Class H, K, and R ferrule and blade fuses in industrial and commercial electrical systems.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVoltage Rating: 250 V (Class H, K, and R)\u003c\/li\u003e\n  \u003cli\u003eCurrent Rating: 30 to 600 A\u003c\/li\u003e\n  \u003cli\u003eShort-Circuit Current Rating (SCCR): Up to fuse interrupting rating\u003c\/li\u003e\n  \u003cli\u003eAgency Approvals: UL Listed (Guide IZZR, File E12853), CSA Certified (Class 6225-01, File 47235), RoHS compliant\u003c\/li\u003e\n  \u003cli\u003eProduct Weight: 0.2000 lb\u003c\/li\u003e\n  \u003cli\u003eCatalog Number: NO.663\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAllows application of smaller size fuses in fuse blocks or holders designed for larger fuses\u003c\/li\u003e\n  \u003cli\u003eCompatible with Class H, K, and R ferrule and blade fuses\u003c\/li\u003e\n  \u003cli\u003eMaintains strong mechanical and electrical contact\u003c\/li\u003e\n  \u003cli\u003eFits into most panels or switches, including dead-front type\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for 250 V fuse blocks; no reducers for mixing 250 V and 600 V fuse blocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads \u0026amp; Links\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/4855\/xlsx_trimble\/ee25b661e013455e0817171451a53677e54749a4.pdf?did=4169\u0026amp;pid=921824\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eData Sheet\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/4855\/xlsx_trimble\/db6df10fb104120e4ea921b5a5c0ea8bcf5bb278.pdf?did=4169\u0026amp;pid=921824\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCatalog\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/4855\/xlsx_trimble\/affa4beaf9229580f2635d7db325380e53215697.pdf?did=4169\u0026amp;pid=921824\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSpecification\/Technical\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bussmann","offers":[{"title":"Default Title","offer_id":46093028917473,"sku":"334270","price":14.18,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/9625\/4433\/files\/334270_image1_3ae5d165-8947-4d41-ab1e-5dacdbcfe79c.jpg?v=1787826725","url":"https:\/\/ulegroup.com\/products\/no-663-fuse-reducer","provider":"ULE Group","version":"1.0","type":"link"}