JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
Littelfuse JTD400 - Class J Time-Delay Fuse 400A 600V (200kA AIC Rating)
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JTD400 Littelfuse JTD Series - UL Class J Time-Delay Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
Littelfuse JTD400 - Class J Time-Delay Fuse 400A 600V (200kA AIC Rating)

Littelfuse JTD400 - Class J Time-Delay Fuse 400A 600V (200kA AIC Rating)

Littelfuse
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Littelfuse JTD400 is a UL Class J time-delay fuse designed for circuit protection in industrial power distribution systems. Rated for 600V AC/DC operation with a 400A current capacity, it provides reliable overload and short-circuit protection with a 200kA interrupting rating at 600V. The fuse features a bolt-in connection type, single-barrel construction, and measures 7-1/8 inches in length with a 2-inch diameter. Certified to UL 248-8 Class J, CSA, and CE standards, it meets stringent safety requirements for industrial applications including motor protection, transformers, and feeder circuits.

Key Features & Specifications
  • Type: UL Class J time-delay fuse with single-barrel construction
  • Voltage Rating: 600V AC/DC
  • Current Rating: 400A
  • Dimensions: 7-1/8" length x 2" diameter
  • Standards: UL 248-8 Class J, CSA Certified, CE, UL Listed
  • Applications: Industrial power distribution, motor protection, transformers
  • Class Rating: J
  • Connection: Bolt-In
  • Barrels: 1
  • AIC rating: 200kA@600V
  • Weight: 1.82 lb
  • Country of Origin: Mexico
Product Identification
  • UPC: 079458202342
  • GTIN: 00079458202342