LDFJ Series - Littelfuse LDFJ Fuses Provide High-Speed Protection

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The LDFJ Series fuses provide space-saving, high-speed performance and short-circuit protection for AC and DC drives. These fuses offer current-limiting features with low I2T for protection of power semiconductor devices and motor controllers. They have the lowest let-through energy of any branch circuit overcurrent protective device. These fuses are easily coordinated with existing and new variable speed drives and electric controllers.

Features

  • Fast acting
  • Current-limiting
  • 200,000 AIR
  • Standard Class J dimensions
  • Low let-through energy

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)Interrupting RatingVAC (V)StockSamplesCompare
LDFJ0011200 kA @ 600 Vac600Check
LDFJ0022200 kA @ 600 Vac600Check
LDFJ0033200 kA @ 600 Vac600Check
LDFJ0044200 kA @ 600 Vac600Check
LDFJ0055200 kA @ 600 Vac600Check
LDFJ0066200 kA @ 600 Vac600Check
LDFJ0088200 kA @ 600 Vac600Check
LDFJ01010200 kA @ 600 Vac600Check
LDFJ01212200 kA @ 600 Vac600Check
LDFJ01515200 kA @ 600 Vac600Check
LDFJ02020200 kA @ 600 Vac600Check
LDFJ02525200 kA @ 600 Vac600Check
LDFJ03030200 kA @ 600 Vac600CheckOrder
LDFJ03535200 kA @ 600 Vac600Check
LDFJ04040200 kA @ 600 Vac600Check
LDFJ04545200 kA @ 600 Vac600Check
LDFJ05050200 kA @ 600 Vac600Check
LDFJ06060200 kA @ 600 Vac600Check
LDFJ07070200 kA @ 600 Vac600Check
LDFJ08080200 kA @ 600 Vac600Check
LDFJ09090200 kA @ 600 Vac600Check
LDFJ100100200 kA @ 600 Vac600Check
LDFJ110110200 kA @ 600 Vac600Check
LDFJ125125200 kA @ 600 Vac600Check
LDFJ150150200 kA @ 600 Vac600Check
LDFJ175175200 kA @ 600 Vac600Check
LDFJ200200200 kA @ 600 Vac600Check
LDFJ225225200 kA @ 600 Vac600Check
LDFJ250250200 kA @ 600 Vac600Check
LDFJ300300200 kA @ 600 Vac600Check
LDFJ400400200 kA @ 600 Vac600Check
LDFJ450450200 kA @ 600 Vac600Check
LDFJ500500200 kA @ 600 Vac600Check
LDFJ600600200 kA @ 600 Vac600Check

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