{"product_id":"cooper-bussmann-fwh-70b-high-speed-semiconductor-fuse","title":"Cooper Bussmann FWH-70B High-Speed Semiconductor Fuse","description":"\u003ch3 data-section-id=\"1wf2wvu\" data-start=\"0\" data-end=\"20\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4\" data-end=\"20\"\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"22\" data-end=\"614\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/bussmann\"\u003eBussmann \u003c\/a\u003eFWH-70B Fuse is a high-speed \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003esemiconductor fuse\u003c\/a\u003e designed to provide fast-acting overcurrent protection for power semiconductors, variable frequency drives (VFDs), DC drives, UPS systems, and power conversion equipment. Commonly installed in industrial motor drives, rectifiers, inverters, and power distribution systems requiring rapid fault interruption to protect sensitive electronic components. Maintenance teams, OEMs, and electrical technicians use this fuse for replacement and preventive maintenance in industrial electrical systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1einuet\" data-start=\"616\" data-end=\"637\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"620\" data-end=\"637\"\u003eApplications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"639\" data-end=\"1028\"\u003eThe Bussmann FWH-70B Fuse is used in variable frequency drives, DC common bus systems, UPS systems, rectifiers, inverters, soft starters, and industrial automation equipment. Its high-speed operation limits fault energy, helping protect SCRs, diodes, IGBTs, and other semiconductor devices from damage caused by short circuits and overload conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1j5ft35\" data-start=\"1030\" data-end=\"1063\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1034\" data-end=\"1063\"\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1065\" data-end=\"1966\"\u003e• Manufacturer: Bussmann (Eaton)\u003cbr data-start=\"1097\" data-end=\"1100\"\u003e• Manufacturer Part Number (MPN): FWH-70B\u003cbr data-start=\"1141\" data-end=\"1144\"\u003e• Product Type: High-speed semiconductor fuse\u003cbr data-start=\"1189\" data-end=\"1192\"\u003e• Function: Fast-acting overcurrent protection for semiconductor devices\u003cbr data-start=\"1264\" data-end=\"1267\"\u003e• Current Rating: 70 A\u003cbr data-start=\"1289\" data-end=\"1292\"\u003e• Voltage Rating: 500 VAC \/ 500 VDC\u003cbr data-start=\"1327\" data-end=\"1330\"\u003e• Fuse Class: aR semiconductor protection\u003cbr data-start=\"1371\" data-end=\"1374\"\u003e• Interrupt Rating: 200 kA (AC)\u003cbr data-start=\"1405\" data-end=\"1408\" data-is-only-node=\"\"\u003e• Body Style: Center-bolted (blade end)\u003cbr data-start=\"1447\" data-end=\"1450\"\u003e• Mounting Type: Bolt mount\u003cbr data-start=\"1477\" data-end=\"1480\"\u003e• Fuse Indicator: Non-indicating\u003cbr data-start=\"1512\" data-end=\"1515\"\u003e• Construction Material: Ceramic body\u003cbr data-start=\"1552\" data-end=\"1555\"\u003e• Compatible Equipment: VFDs, DC drives, UPS systems, power converters, rectifiers, and industrial power supplies\u003cbr data-start=\"1668\" data-end=\"1671\"\u003e• Operating Environment: Industrial electrical and power conversion applications\u003cbr data-start=\"1751\" data-end=\"1754\"\u003e• Application: Semiconductor and power electronics protection\u003cbr data-start=\"1815\" data-end=\"1818\"\u003e• Designed For: Fast fault interruption to protect sensitive power electronic devices from overcurrent damage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"18ifuv0\" data-start=\"1968\" data-end=\"1996\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1972\" data-end=\"1996\"\u003eCommon Replacements:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1998\" data-end=\"2191\"\u003e• Eaton Bussmann FWH-70BC High-Speed Fuse\u003cbr data-start=\"2039\" data-end=\"2042\"\u003e• Mersen A70QS70 Semiconductor Fuse \u003cem data-start=\"2078\" data-end=\"2113\"\u003e(verify electrical compatibility)\u003c\/em\u003e\u003cbr data-start=\"2113\" data-end=\"2116\"\u003e• Littelfuse L70S070 Semiconductor Fuse\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"New","offer_id":51727449948462,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_85643aad-32ad-4954-95af-6b1f58270f60.jpg?v=1770582906","url":"https:\/\/plgautomation.com\/products\/cooper-bussmann-fwh-70b-high-speed-semiconductor-fuse","provider":"PLG Automation ","version":"1.0","type":"link"}