{"product_id":"bussmann-frn-r-40-40a-fusetron-dual-element-current-limiting-fuse","title":"Bussmann FRN-R-40 40A FUSETRON DUAL-ELEMENT, CURRENT LIMITING FUSE","description":"\u003cdiv\u003eFRN-R - 250 Vac non-indicating dual-element, time-delay Class RK5 fuses. Current limiting fuse, interrupting rating of 200 kA at 250 Vac and 20 kA at 125 Vdc. Bussmann series Fusetron cartridge fuses are 23% more energy. efficient and offer the best time-delay performance. Their dualelement feature allows closer sizing to load for superior protection of motors and transformers. These Class RK5 fuses with a 200 kA interrupting rating can be used in a broad range of applications. When sized correctly, they help protect motors from burnout caused by overloads or single-phasing. The 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. In addition, the dual-element design opens in as little as 0.004 second if the fuse experiences short-circuit conditions. All fuses are UL Listed Class R (IR: 200 kA). Groove in end cap or notch in knife blade permit the fuse to be used in only Class H, Class K or Class R fuse blocks\u003c\/div\u003e","brand":"Bussmann","offers":[{"title":"Default Title","offer_id":45025400029359,"sku":"FRN-R-40-S03-821","price":16.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/1740\/1007\/files\/FRN-R-40.jpg?v=1743221885","url":"https:\/\/checkout.cobaltindustrial.ca\/products\/bussmann-frn-r-40-40a-fusetron-dual-element-current-limiting-fuse","provider":"Cobalt Industrial","version":"1.0","type":"link"}