LDFJ Series - UL Class J Fast-Acting Fuses

LDFJ Fuses
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Disclaimer Notice

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.

LDFJ series fuses provide space saving, high-speed performance and short-circuit protection for AC and DC drives.
LDFJ series offers current limiting features with lowest I2T for protection of power semiconductor devices and motor controllers.

Applications:
  • All AC/DC drives (Including variable frequency drives)
  • Power converters and solid-state devices
  • Resistive loads, such as resistance electric heat

Access specifications, certifications, check availability and order parts below

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

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