POWR-SPEED Fuse L70QS SERIES HIGH-SPEED ROUND BODY 700 V ac/dc Very Fast Acting 35800 A HF Specifications Voltage Rating Ac: 700 V Dc: 700 V Amperage Rating 35800 A Interrupting Rating Ac: 200 kA Dc: 50 kA Time Constant 10 ms Material Body: melamine Caps: copper alloy (silver plated) Approvals UL Recognized (E71611) cURus (E71611) Environmental RoHS Compliant, REACH Country of Origin Mexico Operating Temperature -55 C to +125 C Storage Temperature Up to 35 C with relative humidity <65 % Description The L70QS series is a next generation high-speed fuse Part Numbering System for the protection of power semiconductor devices and is designed in the traditional North American bolted style L70 QS 700 .X package. Series L70QS series high-speed fuses are extremely current limiting and are used to protect power converters, drives 2 Body Type Package Quantity and control circuit applications. Designed with lower I t X = 1 (225800 A) Ampere Code performance characteristics, these fuses provide balanced V = 5 (35200 A) Refer to Ordering performance to extend longevity while lowering potentially Information table damaging heat energy to the devices being protected. In addition L70QS series fuses have been designed with a BODY AMPERE PACKAGE CATALOG ORDERING SERIES universal mounting option to meet customer requirements TYPE CODE QUANTITY NUMBER NUMBER for installation into a variety of application configurations L70 QS 700 1 L70QS700 L70QS700.X Littelfuse POWR-SPEED products offer optimized circuit protection at the extremely fast speed required to Recommended Fuse Blocks protect modern day, sensitive, high-power semiconductor LSCR001 (35100 A) devices. Such products are commonly found in various LSCR002 (125800 A) industries including pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment plants and large factories and MRO facilities. Features Compliance with US and Canadian requirements Traditional North American bolted style dimensions Class aR performance Direct bus-bar mount or stud mount design Halogen free, RoHS and REACH Compliant Applications Power converters (inverters, rectifiers) Web Resources Power supplies Download technical documents: Littelfuse.com/L70QS UPS Variable speed drives Note: high-speed fuses are designed for fixed installations. They are not Control circuits intended for use in moving vehicle applications. Soft starters Littelfuse.com/L70QS 2020 Littelfuse, Inc. 1 of 11 Rev: 092820 POWR-SPEED Fuse L70QS SERIES HIGH-SPEED ROUND BODY Electrical Specifications TOTAL TOTAL WATTS LOSS WATTS LOSS VOLTAGE INTERRUPT MELTING CLEARING CLEARING AT 80 % RATED AT 100 % RATED CATALOG RATING RATING 2 2 2 2 (PRE-ARC) I T (A s) I T (A s) CURRENT CURRENT NUMBER 2 2 I T (A s) AC DC AC DC 200 kA 700 V AC 50 kA 700 V DC (W) (W) L70QS035 35 700 700 200 kA 50 kA 129 332 308 5 8 L70QS040 40 700 700 200 kA 50 kA 153 599 416 6 9 L70QS050 50 700 700 200 kA 50 kA 196 711 588 6 12 L70QS060 60 700 700 200 kA 50 kA 269 1,233 678 9 15 L70QS070 70 700 700 200 kA 50 kA 359 1,575 1,075 10 20 L70QS080 80 700 700 200 kA 50 kA 452 2,755 1,415 12 22 L70QS090 90 700 700 200 kA 50 kA 625 3,365 1,920 13 25 L70QS100 100 700 700 200 kA 50 kA 966 3,747 2,347 15 30 L70QS125 125 700 700 200 kA 50 kA 2,208 8,795 5,570 13 24 L70QS150 150 700 700 200 kA 50 kA 3,026 13,650 8,195 17 32 L70QS175 175 700 700 200 kA 50 kA 4,219 19,550 11,650 20 38 L70QS200 200 700 700 200 kA 50 kA 5,529 22,067 16,100 22 42 L70QS225 225 700 700 200 kA 50 kA 9,226 34,900 25,400 22 40 L70QS250 250 700 700 200 kA 50 kA 10,999 43,750 31,650 27 46 L70QS300 300 700 700 200 kA 50 kA 16,296 64,400 45,500 31 57 L70QS350 350 700 700 200 kA 50 kA 24,778 91,500 65,250 35 67 L70QS400 400 700 700 200 kA 50 kA 34,225 110,667 94,666 41 79 L70QS450 450 700 700 200 kA 50 kA 38,946 145,500 113,500 45 81 L70QS500 500 700 700 200 kA 50 kA 42,747 173,000 125,500 56 112 L70QS600 600 700 700 200 kA 50 kA 67,363 220,333 179,667 67 138 L70QS700 700 700 700 200 kA 50 kA 99,387 368,000 298,000 72 138 L70QS800 800 700 700 200 kA 50 kA 156,137 466,333 415,333 76 142 Ordering Information AMPERAGE AMPERE CATALOG ORDERING PACK SERIES UPC RATING CODE NUMBER NUMBER QUANTITY L70QS 35 035 L70QS035 L70QS035.V 5 Pcs/ Box 07945886015 L70QS 40 040 L70QS040 L70QS040.V 5 Pcs/ Box 07945886016 L70QS 50 050 L70QS050 L70QS050.V 5 Pcs/ Box 07945886017 L70QS 60 060 L70QS060 L70QS060.V 5 Pcs/ Box 07945886018 L70QS 70 070 L70QS070 L70QS070.V 5 Pcs/ Box 07945886019 L70QS 80 080 L70QS080 L70QS080.V 5 Pcs/ Box 07945886020 L70QS 90 090 L70QS090 L70QS090.V 5 Pcs/ Box 07945886021 L70QS 100 100 L70QS100 L70QS100.V 5 Pcs/ Box 07945886022 L70QS 125 125 L70QS125 L70QS125.V 5 Pcs/ Box 07945886023 L70QS 150 150 L70QS150 L70QS150.V 5 Pcs/ Box 07945886024 L70QS 175 175 L70QS175 L70QS175.V 5 Pcs/ Box 07945886025 L70QS 200 200 L70QS200 L70QS200.V 5 Pcs/ Box 07945886026 L70QS 225 225 L70QS225 L70QS225.X 1 Pc/ Box 07945886027 L70QS 250 250 L70QS250 L70QS250.X 1 Pc/ Box 07945886028 L70QS 300 300 L70QS300 L70QS300.X 1 Pc/ Box 07945886029 L70QS 350 350 L70QS350 L70QS350.X 1 Pc/ Box 07945886030 L70QS 400 400 L70QS400 L70QS400.X 1 Pc/ Box 07945886031 L70QS 450 450 L70QS450 L70QS450.X 1 Pc/ Box 07945886032 L70QS 500 500 L70QS500 L70QS500.X 1 Pc/ Box 07945886033 L70QS 600 600 L70QS600 L70QS600.X 1 Pc/ Box 07945886034 L70QS 700 700 L70QS700 L70QS700.X 1 Pc/ Box 07945886035 L70QS 800 800 L70QS800 L70QS800.X 1 Pc/ Box 07945886036 Littelfuse.com/L70QS 2020 Littelfuse, Inc. 2 of 11 Rev: 092820 AMPERAGE RATING