JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
Littelfuse JLS400 - UL Class J Fuse 400A 600V (200kA AIC Rating)
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
JLS400 Littelfuse JLS Series - UL Class J Fast-Acting Fuses Low Voltage Fuse 600V 400A Fuse - Essential Electric Supply
Littelfuse JLS400 - UL Class J Fuse 400A 600V (200kA AIC Rating)

Littelfuse JLS400 - UL Class J Fuse 400A 600V (200kA AIC Rating)

Littelfuse
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Littelfuse JLS400 is a UL Class J fast-acting fuse designed for high-current circuit protection in industrial applications. Rated for 600V AC/DC systems with a 400A current capacity, it features a durable single-barrel construction measuring 3-3/8 inches in length and 2 inches in diameter. This fuse meets UL 248-8 Class J, CSA, and CE standards with a 200kA interrupting rating at 600V for reliable fault protection. Its robust design is engineered for demanding environments including motor control centers, switchgear, and power distribution systems.

Key Features & Specifications
  • Type: UL Class J fast-acting fuse with single-barrel construction
  • Voltage Rating: 600V AC/DC
  • Current Rating: 400A
  • Dimensions: 3-3/8 in length x 2 in diameter
  • Weight: 1.69 lb
  • Standards: UL 248-8 Class J, UL Listed, CSA Certified, CE, QPL-W-F-1814
  • Applications: Motor protection, switchgear, power distribution panels
  • Class Rating: J
  • Barrels: 1
  • AIC rating: 200kA@600V
  • Certification: CE, UL 248-8 Class J, UL Listed, CSA Certified, QPL-W-F-1814
Product Identification
  • UPC: 079458200935
  • GTIN: 00079458200935