{"product_id":"ecnr400","title":"ECNR400 - 400Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eECNR400 - 400Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen you’re dealing with large electrical systems, there’s no margin for guesswork. Equipment has to start smoothly, run consistently, and still be fully protected when something goes wrong. The Eaton Edison ECNR400 Fuse is a 400 Amp Class RK5 dual-element time-delay fuse designed for exactly that kind of environment—where heavy electrical loads, motor startups, and industrial power demands all happen as part of everyday operation.\u003c\/p\u003e\n\u003cp\u003eWith a 200 kAIC interrupting rating, the ECNR400 is built for demanding industrial environments where fault current levels can be significant. It is rated for 250 VAC and 125 VDC systems, making it suitable for a wide range of heavy-duty commercial and industrial applications. Whether it’s installed in a motor control center, main distribution panel, or large-scale OEM equipment, this fuse is designed to deliver dependable performance under pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e400 Amp Class RK5 fuse for high-capacity industrial electrical systems\u003c\/li\u003e\n\u003cli\u003eDual-element time-delay design helps handle motor and transformer inrush currents\u003c\/li\u003e\n\u003cli\u003eReduces nuisance fuse openings during normal startup conditions\u003c\/li\u003e\n\u003cli\u003eHigh 200 kAIC interrupting rating for strong fault-current protection\u003c\/li\u003e\n\u003cli\u003eRated for 250 VAC and 125 VDC applications\u003c\/li\u003e\n\u003cli\u003eHelps improve system uptime and reduce unexpected shutdowns\u003c\/li\u003e\n\u003cli\u003eSuitable for motors, transformers, compressors, and heavy electrical loads\u003c\/li\u003e\n\u003cli\u003eNon-indicating design for straightforward field replacement\u003c\/li\u003e\n\u003cli\u003eBuilt for demanding commercial and industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Edison ECNR\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e ECNR400\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 782634507536\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e RK5\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 400 A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 250 VAC \/ 125 VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupt Rating:\u003c\/strong\u003e 200 kAIC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e 10 seconds at 500% overload\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Elements:\u003c\/strong\u003e Dual-element\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Indicator:\u003c\/strong\u003e Non-indicating\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial Features:\u003c\/strong\u003e Non current limiting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 2.875 in L × 0.625 in W × 0.625 in H\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.114 lb\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Type:\u003c\/strong\u003e Standard\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Eaton ECNR400 fuse is CE Marked, confirming compliance with applicable safety and performance standards. It is manufactured under Eaton’s quality control systems and intended for use in properly rated electrical installations following all applicable electrical codes and engineering practices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe ECNR400 is commonly used in high-demand electrical environments where loads are large and system uptime is critical:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMotor control centers (MCCs)\u003c\/li\u003e\n\u003cli\u003eHeavy industrial machinery and production systems\u003c\/li\u003e\n\u003cli\u003eHVAC systems and large mechanical equipment\u003c\/li\u003e\n\u003cli\u003ePower distribution panels and switchgear\u003c\/li\u003e\n\u003cli\u003eTransformer and inductive load circuits\u003c\/li\u003e\n\u003cli\u003ePumping stations and compressor systems\u003c\/li\u003e\n\u003cli\u003eCommercial and industrial electrical infrastructure\u003c\/li\u003e\n\u003cli\u003eOEM heavy-duty equipment applications\u003c\/li\u003e\n\u003cli\u003eFacility maintenance and large-scale fuse replacement projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor systems that need strong fault protection but also have to handle everyday startup surges without interruption, the Eaton Edison ECNR400 delivers a dependable, field-proven solution that helps keep operations running safely and consistently.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cblockquote\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eUse of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer.\u003cstrong\u003e CIRCUIT BREAKER SUPERSTORE®\u003c\/strong\u003e is an independent reseller and is \u003cstrong\u003enot \u003c\/strong\u003ean authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do \u003cstrong\u003enot\u003c\/strong\u003e apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eEaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Eaton Corporation plc or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mersen","offers":[{"title":"New In Box","offer_id":50459169653035,"sku":"ECNR400","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459169685803,"sku":"ECNR400  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/ecnr400","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}