{"product_id":"jtd400","title":"JTD400 - 400 Amp Fuse","description":"\u003cp\u003e\u003cstrong\u003eJTD400 - 400 Amp Fuse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA 400A rating is only the first thing to check when you're replacing a fuse. The JTD400 is a 400-amp Class J time-delay fuse with knife-blade construction, designed to meet specific electrical and physical requirements. It carries maximum voltage ratings of 600VAC and 500VDC and uses a Slo-Blo\/Time Lag (T)\/Time Delay opening characteristic. When matching a JTD400 replacement, check the full specification, not just amperage: fuse class, opening characteristic, AC or DC voltage, interrupting requirements, knife-blade construction, mounting, and non-indicating configuration all matter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e400A continuous current rating for equipment specifically requiring a 400-amp fuse\u003c\/li\u003e\n\u003cli\u003eClass J fuse configuration provides a clear specification to match against the equipment requirements\u003c\/li\u003e\n\u003cli\u003eTime-delay opening characteristic, identified as Slo-Blo\/Time Lag (T)\/Time Delay\u003c\/li\u003e\n\u003cli\u003eMaximum voltage rating of 600VAC\u003c\/li\u003e\n\u003cli\u003eAlso rated for a maximum of 500VDC\u003c\/li\u003e\n\u003cli\u003eKnife-blade construction provides an important physical characteristic for replacement matching\u003c\/li\u003e\n\u003cli\u003eNon-indicating design for equipment requiring this configuration\u003c\/li\u003e\n\u003cli\u003ePart of the JTD Series\u003c\/li\u003e\n\u003cli\u003eIdentified as part of the POWR-PRO Fuse family\u003c\/li\u003e\n\u003cli\u003eDesigned for mounting in an appropriate fuse block, clip, or holder\u003c\/li\u003e\n\u003cli\u003eLFJ60400 Series is specified as the PG holder\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\u003eCatalog Number:\u003c\/strong\u003e JTD400\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e JTD\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Description:\u003c\/strong\u003e FUS 600V T\/D CLASS J 400A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Class J Time-Delay Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Current Rating:\u003c\/strong\u003e 400A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum AC Voltage:\u003c\/strong\u003e 600VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum DC Voltage:\u003c\/strong\u003e 500VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Interrupting Value 1:\u003c\/strong\u003e 200,000A at 600VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Interrupting Value 2:\u003c\/strong\u003e 300,000A at 600VAC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Interrupting Rating:\u003c\/strong\u003e 20,000A at 500VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePublished Interrupting Rating:\u003c\/strong\u003e 20 kA at 500VDC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening Characteristic:\u003c\/strong\u003e Slo-Blo \/ Time Lag (T) \/ Time Delay\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Class:\u003c\/strong\u003e Class J\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFamily Style:\u003c\/strong\u003e POWR-PRO Fuse\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction \/ Size:\u003c\/strong\u003e Knife-Blade\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicating:\u003c\/strong\u003e No\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Method:\u003c\/strong\u003e Fuse Block \/ Clip \/ Holder\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecified PG Holder:\u003c\/strong\u003e LFJ60400 Series\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 supplied product information confirms the JTD400 electrical ratings, Class J designation, time-delay opening characteristic, knife-blade construction, non-indicating configuration, mounting method, and specified holder series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe JTD400 400A Class J time-delay fuse is best suited to electrical equipment specifically designed for a 400A Class J, non-indicating, knife-blade fuse with corresponding time-delay characteristics. For AC service, verify the equipment requirements against the 600VAC maximum rating and the applicable manufacturer-supplied AC interrupting value. For DC service, confirm compatibility with the 500VDC maximum voltage and 20 kA interrupting rating at 500VDC.\u003cbr\u003e\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\u003eLittelfuse® is a registered trademark of Littelfuse, Inc. Products sold are surplus, used, or refurbished and are \u003cstrong\u003eNOT \u003c\/strong\u003esupplied by Littelfuse, Inc. or its affiliates.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Littelfuse","offers":[{"title":"New In Box","offer_id":50459226767659,"sku":"JTD400","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Refurbished","offer_id":50459226800427,"sku":"JTD400  [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/jtd400","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}