L70QS Series - High-Speed Round Body Fuses

Roll Over to Zoom
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.

The L70QS Series is a next generation High-Speed Fuse for the protection of power semiconductor devices and is designed in the Traditional North American Bolted Style package.

L70QS Series High-Speed Fuses are extremely current limiting and are used to protect power converters, drives and control circuit applications. Designed with lower I2t performance characteristics, these fuses provide balanced performance to extend longevity while lowering potentially damaging heat energy to the devices being protected. In addition L70QS Series fuses have been designed with a universal mounting option to meet customer requirements for installation into a variety of application configurations Littelfuse POWR-SPEED™ products offer optimized circuit protection at the extremely fast speed required to protect modern day, sensitive, high-power semiconductor devices. Such products are commonly found in various industries including pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment plants and large factories and MRO facilities.

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)VDC (V)Interrupting RatingOpeningStockSamplesCompare
L70QS03535700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS04040700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS05050700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS06060700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS07070700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS08080700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS09090700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS100100700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS125125700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS150150700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS175175700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS200200700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS225225700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS250250700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS300300700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS350350700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS400400700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS450450700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS500500700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS600600700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS700700700700200kA@700VACVery Fast-Acting (FF)CheckOrder
L70QS800800700700200kA@700VACVery Fast-Acting (FF)CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
L70QS035.V FUS 700V SEMICONDUCTOR 35A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS040.V FUS 700V SEMICONDUCTOR 40A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS050.V FUS 700V SEMICONDUCTOR 50A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS060.V FUS 700V SEMICONDUCTOR 60A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS070.V FUS 700V SEMICONDUCTOR 70A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS080.V FUS 700V SEMICONDUCTOR 80A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS090.V FUS 700V SEMICONDUCTOR 90A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS100.V FUS 700V SEMICONDUCTOR 100A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS125.V FUS 700V SEMICONDUCTOR 125A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS150.V FUS 700V SEMICONDUCTOR 150A RoHS No 01/22/2017 PbFree No 01/22/2017 CoC_RoHS9_L70QS150.V_11-26-2020 REACH209_Declaration_-Contain-_L70QS150.V_11-26-2020 Yes
01/22/2017
Contains
L70QS175.V FUS 700V SEMICONDUCTOR 175A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS200.V FUS 700V SEMICONDUCTOR 200A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS225.X FUS 700V SEMICONDUCTOR 225A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS250.X FUS 700V SEMICONDUCTOR 250A RoHS No 01/22/2017 PbFree No 01/22/2017 CoC_RoHS9_L70QS250.X_11-26-2020 REACH209_Declaration_-Contain-_L70QS250.X_11-26-2020 Yes
01/22/2017
Contains
L70QS300.X FUS 700V SEMICONDUCTOR 300A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS350.X FUS 700V SEMICONDUCTOR 350A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS400.X FUS 700V SEMICONDUCTOR 400A RoHS No 01/22/2017 PbFree No 01/22/2017 CoC_RoHS9_L70QS400.X_11-26-2020 REACH209_Declaration_-Contain-_L70QS400.X_11-26-2020 Yes
01/22/2017
Contains
L70QS450.X FUS 700V SEMICONDUCTOR 450A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS500.X FUS 700V SEMICONDUCTOR 500A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS600.X FUS 700V SEMICONDUCTOR 600A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
L70QS700.X FUS 700V SEMICONDUCTOR 700A RoHS No 05/16/2016 PbFree No 05/16/2016 Yes
05/16/2016
L70QS800.X FUS 700V SEMICONDUCTOR 800A RoHS No 01/22/2017 PbFree No 01/22/2017 Yes
01/22/2017
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.

  • Showing 1 items