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Littelfuse

Littelfuse JTD450ID 450A 600V Class J Indicating Time-Delay Fuse

Part Number: JTD450ID

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For 450A protection, Littelfuse offers JTD450ID within the JTD_ID Series. Its rating set pairs 600V AC / 500V DC service with 200kA AC interrupting performance. Indicator® technology gives visual blown-fuse identification, while the dual-element design accommodates high in-rush loads. Package and mounting details are included below; verify final use against the official datasheet.

Rated Current450A
Rated Voltage600V AC / 500V DC
Breaking Capacity200kA AC
PackageClass J

JTD450ID is specified by Littelfuse as a 450A device in the JTD_ID Series. Littelfuse specifies 600V AC / 500V DC; the listed breaking capability is 200kA AC. Indicator® technology gives visual blown-fuse identification, while the dual-element design accommodates high in-rush loads. Mechanical selection uses a Class J format with Cartridge / Clip installation and ferrule / blade (amp-dependent) termination. Published dimensions are 203.2mm overall length; 63.5mm body diameter. Typical applications include Motor, Transformer, Motor Control Center, General Purpose. Check the official Littelfuse datasheet before final coordination.

Technical Specifications

Part Number
JTD450ID
Manufacturer Part Number
JTD450ID
Series
JTD_ID Series
Fuse Type
Indicating Dual-Element Time-Delay Class J Fuse
Current Rating
450A
Voltage Rating
600V AC / 500V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC
Package / Dimensions
Class J
Mounting
Cartridge / Clip
Application
General purpose protection · Motor · Motor control centers · Transformer
Standard
UL 248-8
Terminal Type
Ferrule / Blade (amp-dependent)
Fuse Speed
Dual Element · Time Delay
Utilization Class
Class J
Approvals
CSA · UL Listed
Certifications
UL Listed · CSA
DC Voltage Rating
500V DC
DC Interrupting Rating
20kA

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