{"product_id":"eaton-bussmann-frs-r-35-fuse-class-rk5-time-delay-dual-element-current-limiting-35-a-interrupting-rating-of-200-ka-at-600-vac-and-20-ka-at-250-vdc","title":"Eaton Bussmann FRS-R-35 Fuse, Class RK5 Time-delay Dual-element Current Limiting, 35 A, Interrupting Rating of 200 kA at 600 Vac and 20 kA at 250 Vdc","description":"\u003cp\u003eProduct Description The FRS-R-35 Bussmann series is a dual-element, time-delay Class RK5 fuse and is part of the FUSETRON line of fuses.\u003c\/p\u003e\u003cp\u003eIts design features dual elements for optimal time-delay, ensuring protection for equipment such as power panelboards, combination starters, motor control centers, machinery disconnects, and safety switches.\u003c\/p\u003e\u003cp\u003eFuses with dual elements include separate overload and short-circuit elements, providing the same short circuit protection as a fast-acting fuse while allowing inrush currents to pass without opening the fuse.\u003c\/p\u003e\u003cp\u003eAs a time-delay fuse, it accommodates temporary overload conditions without opening.\u003c\/p\u003e\u003cp\u003eThis is essential for equipment that frequently experiences short-term power surges, such as during motor or transformer startups.\u003c\/p\u003e\u003cp\u003eThe time-delay feature permits inrush current from the motor or transformer to start without opening while still protecting against sustained overloads and short circuits.\u003c\/p\u003e\u003cp\u003eThis also reduces the need to replace fuses that expire due to normal inrush overloads.\u003c\/p\u003e\u003cp\u003eFor superior electrical protection, upgrading to Bussmann series Low-Peak LPS-RK fuses is recommended.\u003c\/p\u003e\u003cp\u003eFrom the Manufacturer Heavy-duty time-delay fuse used in motor protection.\u003c\/p\u003e\u003cp\u003eWhen sized correctly, it helps protect motors from burnout caused by overloads or single-phasing.\u003c\/p\u003e\u003cp\u003eThe time-delay feature allows the initial startup current surge for typical motors to pass, but opens prior to motor burnout when longer, dangerous overloads are present.\u003c\/p\u003e\u003cp\u003eIn addition, the dual-element design opens in as little as 0.004 seconds if the fuse experiences short-circuit conditions.\u003c\/p\u003e\u003cp\u003eUL Listed Class R (IR: 200kA).\u003c\/p\u003e\u003cp\u003eGroove in end cap or notch in knife blade permit the fuse to be used in Class H, Class K or Class R fuse blocks.\u003c\/p\u003e\u003cp\u003eCartridge fuses are used to protect motors and branch circuits where higher amps or volt ratings are required.\u003c\/p\u003e\u003cp\u003eThey are available in a wide variety of sizes, amp and volt ratings up to 600Vac and 600 amps.\u003c\/p\u003e\u003cp\u003eCartridge fuses are used extensively in commercial, industrial and agricultural applications as well as residential fuse panels, air conditioning, pumps, appliances and other equipment.\u003c\/p\u003e\u003cp\u003eCartridge fuses are available in two types.\u003c\/p\u003e\u003cp\u003eGeneral Purpose fuses have no time-delay and protect fuse panels, appliances and branch circuits.\u003c\/p\u003e\u003cp\u003eHeavy-Duty fuses have a time-delay feature, allowing momentary motor startups.\u003c\/p\u003e\u003cp\u003eBoth are available in 250Vac and 600Vac versions with catalog symbol and amp rating stamped on the knife blade or end cap.\u003c\/p\u003e","brand":"BUSSMANN","offers":[{"title":"Default Title","offer_id":51798882255130,"sku":"B6PFRSR35","price":88.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/71OA1bfgxIL.jpg?v=1772828138","url":"https:\/\/trybeepbeep.com\/products\/eaton-bussmann-frs-r-35-fuse-class-rk5-time-delay-dual-element-current-limiting-35-a-interrupting-rating-of-200-ka-at-600-vac-and-20-ka-at-250-vdc","provider":"TryBeepbeep","version":"1.0","type":"link"}