Fuse Class J 450A JTD Series MPN:JTD450

Time-delay, nonindicating UL Class J fuses tolerate temporary inrush currents without opening, which prevents nuisance-blowing from motor and equipment startups. Also called slow-blow Class J fuses, they open to disconnect an electrical circuit when exposed to sustained loads and short circuits. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.

UL Class J fuses have a high interrupting rating for protecting against short circuits and are ideal for IEC motor starter applications. These 600VAC fuses are not interchangeable with any other UL fuse class. They are current-limiting to prevent electrical damage by disconnecting circuits before they're exposed to the full magnitude and duration of an overcurrent.

Technical Specifications

• Item Fuse
• Amps 450 A
• AC Voltage Rating 600V AC
• DC Voltage Rating 500V DC
• Class J
• Series JTD
• Visual Indication Nonindicating
• Speed Time Delay
• Body Style Blade
• Fits Fuse Block Style Nonrejection
• Interrupt Rating 200kA at 600V AC, 20kA at 500V DC
• Fuse Size 3-3/4 in L x 8 in dia
• Length 3 3/4 in
• Width Not Applicable
• Depth Not Applicable
• Diameter 8 in
• Equivalent Brand and Series Bussmann LPJ, Littelfuse JTD, Mersen AJT
• Equivalent Series AJT, JTD, LPJ
• Compatible Fuse Block Series LFJ
• Body Material Melamine
• Element Dual
• Standards CE, CSA Certified, UL 248-8 Class J, UL Listed

Manufacturer Details

• Manufacturer: Littelfuse
• Condensed Mfg Number: JTD450
• MPN: JTD450

Label Details

• Hazardous Material: N
• Green Material Flag: N
• Country of Origin: MX
• CA Prop 65 Wht Label: Y
• CA Prop 65 Cancer Warning: Lead
• CA Prop 65 Repro Warning: Lead
• CA Prop 65 Warning Msg Scenario: 4

Classification Details

• Harmonization Code: 8536100040
• GDS Category Name: Class J and CF Fuses
• GDS Family Name: Fuses
• GDS Segment Name: Electrical
• UNSPSC: 39121608
• UNSPSC Class ID: 16
• UNSPSC Commodity Name: Circuit protection devices and accessories
• UNSPSC Commodity ID: 08
• UNSPSC Commodity Name: Class type fuses
• UNSPSC Family ID: 12
• UNSPSC Family Name: Electrical equipment and components and supplies
• UNSPSC Segment ID: 39
• UNSPSC Segment Name: Electrical Systems and Lighting and Components and Accessories and Supplies

Shipping Details

• Not For Sale In: HI AK PR