{"product_id":"bussmann-frn-r-40a-time-delay-fuse-250v-2-pack","title":"Bussmann FRN-R 40A Time-Delay Fuse, 250V – 2 Pack","description":"\u003ch2\u003eProtect motors and main panels with a trusted Bussmann FRN-R fuse\u003c\/h2\u003e\n\u003cp\u003eDesigned as a heavy-duty time-delay cartridge fuse, the FRN-R 40A helps guard motors against overloads and the effects of single-phasing in three-phase systems. It allows the initial startup surge typical of motors to pass, while preventing longer, damaging overloads from progressing.\u003c\/p\u003e\n\u003cp\u003eIts dual-element design delivers strong short-circuit and overload protection. When paired with compatible fuse blocks, the fuse responds quickly to fault conditions, reducing the risk of motor burnout. The device is UL Listed Class R (IR 200kA), and features a groove in the end cap or a notch in the knife blade to fit Class H, K, or R fuse blocks.\u003c\/p\u003e\n\u003ch3\u003eKey benefits and typical use cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty time-delay protection for motors and main panels\u003c\/li\u003e\n\u003cli\u003eAllows startup surges while preventing prolonged overloads from causing damage\u003c\/li\u003e\n\u003cli\u003eDual-element construction provides high-performance short-circuit and overload protection\u003c\/li\u003e\n\u003cli\u003eIdeal for circuits requiring higher current or voltage ratings\u003c\/li\u003e\n\u003cli\u003eUL Listed Class R (IR 200kA) supports reliable protection in compatible assemblies\u003c\/li\u003e\n\u003cli\u003eEnd-cap groove or knife blade notch enables use in Class H, K, or R fuse blocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes 2 fuses per retail pack; each fuse measures approximately 2.375 in long by 1.375 in wide by 0.50 in high\u003c\/li\u003e\n\u003cli\u003eSuitable for motor protection and branch circuits with higher amp ratings\u003c\/li\u003e\n\u003cli\u003eSupports selective coordination to help prevent unnecessary outages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis fuse pair is designed for use in a wide range of commercial, industrial, and residential equipment, offering dependable protection with straightforward installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Bussmann FRN-R 40A fuse designed to protect?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A heavy-duty time-delay cartridge fuse designed to guard motors and related circuits, allowing startup surges but interrupting prolonged overloads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key specs and compatibility notes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 40A, 250V, dual-element time-delay; UL Class R (IR 200kA); 2-pack; compatible with Class H, K, or R fuse blocks via end-cap groove.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bussmann","offers":[{"title":"Default Title","offer_id":53087335219311,"sku":"B00004WA2Y","price":16.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/bussmann-frn-r-40a-time-delay-fuse-2-pack.jpg?v=1778653884","url":"https:\/\/taskholt.com\/products\/bussmann-frn-r-40a-time-delay-fuse-250v-2-pack","provider":"TaskHolt","version":"1.0","type":"link"}