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Littelfuse

Littelfuse JTD1.25ID 1.25A 600V Class J Indicating Time-Delay Fuse

Part Number: JTD1.25ID

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The Littelfuse JTD_ID Series uses JTD1.25ID for its 1.25A configuration. The electrical envelope is 600V AC / 300V DC, supported by 200kA AC breaking capability. 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 Current1.25A
Rated Voltage600V AC / 300V DC
Breaking Capacity200kA AC
PackageClass J

JTD1.25ID is specified by Littelfuse as a 1.25A device in the JTD_ID Series. Its manufacturer ratings call out 600V AC / 300V DC service and 200kA AC breaking capacity. 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 57.2mm length; 20.6mm max body diameter. Typical applications include Motor, Transformer, Motor Control Center, General Purpose. Check the official Littelfuse datasheet before final coordination.

Technical Specifications

Part Number
JTD1.25ID
Manufacturer Part Number
JTD1.25ID
Series
JTD_ID Series
Fuse Type
Indicating Dual-Element Time-Delay Class J Fuse
Current Rating
1.25A
Voltage Rating
600V AC / 300V 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
300V DC
DC Interrupting Rating
20kA

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