{"product_id":"eaton-jm60400-3cr-modular-fuse-block-reliable-delivery","title":"JM60400-3CR | Eaton 600V 225–400A 3-Pole Class J Modular Knife-Blade Fuse Block","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"0\" data-end=\"451\"\u003eThe Eaton JM60400-3CR is a modular Class J fuse block designed for reliable overcurrent protection in high-capacity electrical distribution systems. Rated for 600 V and supporting 225–400 A fuses, it accommodates knife-blade cartridge fuses for secure and efficient installation. Its thermoplastic construction, wide wire range, and hole-mount design make it suitable for industrial and commercial panel applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEaton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePanel Accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJM60400-3CR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFuse Holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJM Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmperage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e225–400 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Poles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKnife Blade End\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600 kcmil; (2) 4–3\/0 AWG Al, solid or stranded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable For Use With\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKnife Blade Cartridge Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–40 to 120 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.7 in L × 10.4 in W × 4.9 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About JM60400-3CR\u003c\/h4\u003e\n\u003cp data-start=\"590\" data-end=\"1074\" class=\"\"\u003eThe JM60400-3CR belongs to Eaton’s Bussmann JM Series, engineered as modular fuse blocks that support Class J fuses for heavy-duty electrical systems. Constructed from durable thermoplastic, the block provides mechanical strength and insulation suitable for demanding environments. Its knife blade end design ensures secure fuse seating, while the ability to accept 600 kcmil and dual 4–3\/0 AWG aluminum conductors allows flexible wiring configurations. Designed for installation using hole mounting, this 3-pole block is well suited for integrating knife-blade cartridge fuses into industrial power distribution equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e225–400 A current range: Supports a wide variety of Class J fuse ratings.\u003c\/li\u003e\n\u003cli\u003e600 V capability: Suitable for industrial high-voltage distribution circuits.\u003c\/li\u003e\n\u003cli\u003e3-pole modular construction: Allows flexible assembly and multi-pole configurations.\u003c\/li\u003e\n\u003cli\u003eKnife blade end design: Provides secure fuse engagement and reliable conductivity.\u003c\/li\u003e\n\u003cli\u003eThermoplastic housing: Offers electrical insulation and durability in harsh environments.\u003c\/li\u003e\n\u003cli\u003eWide wire compatibility: Accepts 600 kcmil and (2) 4–3\/0 AWG aluminum conductors.\u003c\/li\u003e\n\u003cli\u003eHole-mount installation: Ensures stable mounting in industrial panels.\u003c\/li\u003e\n\u003cli\u003eWide temperature range: Operates from –40°C to 120°C for various field conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe JM60400-3CR delivers the reliability and precision required for secure fuse mounting and dependable overcurrent protection in industrial power systems.\u003c\/p\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":48503455416618,"sku":"JM60400-3CR","price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/JM60400-3CR.jpg?v=1716377255","url":"https:\/\/iqelectro.com\/products\/eaton-jm60400-3cr-modular-fuse-block-reliable-delivery","provider":"IQElectro","version":"1.0","type":"link"}