L70QS225

L70QS300.X LITTELFUSE | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 11

Technical content

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) Power supplies UPS Variable speed drives Control circuits Soft starters Recommended Fuse Blocks LSCR001 (35–100 A) LSCR002 (125–800 A)

700 V ac/dc • Very Fast Acting • 35–800 A

L70 QS 700 .X Body Type Ampere Code Series Package Quantity X = 1 (225–800 A) V = 5 (35–200 A) SERIES BODY TYPE AMPERE CODE PACKAGE QUANTITY CATALOG NUMBER ORDERING NUMBER L70 QS 700 1 L70QS700 L70QS700.X Web Resources Download technical documents: Littelfuse.com/L70QS Note: high-speed fuses are designed for fixed installations. They are not intended for use in moving vehicle applications. HF Refer to Ordering Information table

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 2 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY SERIES AMPERAGE RATING AMPERE CODE CATALOG NUMBER ORDERING NUMBER PACK QUANTITY UPC 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

Ordering Information

(PRE-ARC) I2T (A2s) TOTAL CLEARING I2T (A2s) TOTAL CLEARING I2T (A2s) WATTS LOSS AT 80 % RATED CURRENT WATTS LOSS AT 100 % RATED CURRENT 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

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 3 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY Dimensions Millimeters [inches] Stud Size: M8 (5/16”) Recommended Torque: 15 Nm (132.76 in-lb) Stud Size: M8 (5/16”) Recommended Torque: 15 Nm (132.76 in-lb) Stud Size: M8 (5/16”) Recommended Torque: 15 Nm (132.76 in-lb) Stud Size: M12 (1/2”) Recommended Torque: 54 Nm (477.94 in-lb) Stud Size: M12 (1/2”) Recommended Torque: 54 Nm (477.94 in-lb) Document Number: OL-L70QS000 3RD ANGLE PROJECTION E OL-L70QS000 Littelfuse ® REVISION DRWG NO. TITLE C DRWD ATE GRAMS/PIECE FINISH GOOD WT MYORK 9/3/2015 MATL SPEC FINISH UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN LITTELFUSE INSPECTION INSTRUCTIONS. DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS SHOWN ON DRAWING AND INITIALLY LOCATED TO ALLOW FOR MAXIMUM TOOL LIFE. CPK CP SHEET 1 OF 1 SCALE L70QS SERIES OUTLINE NTS REVISION REV DATE DESCRIPTION A 3/23/16 515693GCP - RELEASE MRY B 9/6/16 516327ECP/D - CHG DATA SHEET REVISION MRY C 6/6/17 517424ECP/D - REMOVE DATA SHEET REVISION MRY D 9/5/17 517727ECP/D - ADD DIMENSION TOLERANCES MRY E 3/25/19 520556ECP/D - ADD BLADE TOLERANCES MRY 111.13±1 .59 4.375±0 .063[] 95.24± 1.59 3.749±0 .063[] 84.12± 1.59 3.312± 0.063[] 73.03 [2.875] 17.02± 0.89 0.670±0 .035[] 8.73 [0.344] Ø25.40±0 .381 1.000± 0.015[] 3.18±0 .15 0.125± 0.006[] 72.24 [2.844] 73.03 [2.875] 30.94±Ø0 .381 1.218±0 .015[] 38.10±0 .89 1.500±0 .035[] 10.41 [0.410] 129.39±1 .59 5.094± 0.063[] 108.72± 1.59 4.280±0 .063[] 86.76± 1.59 3.416±0 .063[] 6.35±0 .15 0.250± 0.006[] 50.80±Ø0 .381 2.000±0 .015[] 6.35±0 .15 0.250± 0.006[] 63.50±Ø0 .381 2.500±0 .015[] 9.53±0 .15 0.375±0 .006[] 38.10±0 .89 1.500±0 .035[] 13.46 [0.530] 180.09±1 .59 7.090±0 .063[] 156.47± 1.59 6.160± 0.063[] 89.67±1 .59 [2.844] 50.80±0 .89 2.000± 0.035[] 13.46 [0.530] 173.05± 1.59 6.813±0 .063[] 142.83±1 .59 5.623±0 .063[] 103.20±1 .59 4.063± 0.063[] 72.24 [2.844] 35–100A 125–200A 225–400A 450–600A 700–800A 129.16±1 .59 5.085±0 .063[] 106.30±1 .59 4.185±0 .063[] 88.77±1 .59 3.495±0 .063[] 10.41 [0.410] 22.73±0 .89 0.895±0 .035[] 4.75±0 .15 0.187± 0.006[] 14.29 [0.563] 33.27 [1.310] 46.86 [1.845] 21.39 [0.842] 19.18 [0.755] 3RD ANGLE PROJECTION E OL-L70QS000 Littelfuse ® REVISION DRWG NO. TITLE C DRWD ATE GRAMS/PIECE FINISH GOOD WT MYORK 9/3/2015 MATL SPEC FINISH UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN LITTELFUSE INSPECTION INSTRUCTIONS. DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS SHOWN ON DRAWING AND INITIALLY LOCATED TO ALLOW FOR MAXIMUM TOOL LIFE. CPK CP SHEET 1 OF 1 SCALE L70QS SERIES OUTLINE NTS REVISION REV DATE DESCRIPTION A 3/23/16 515693GCP - RELEASE MRY B 9/6/16 516327ECP/D - CHG DATA SHEET REVISION MRY C 6/6/17 517424ECP/D - REMOVE DATA SHEET REVISION MRY D 9/5/17 517727ECP/D - ADD DIMENSION TOLERANCES MRY E 3/25/19 520556ECP/D - ADD BLADE TOLERANCES MRY 111.13±1 .59 4.375±0 .063[] 95.24± 1.59 3.749±0 .063[] 84.12± 1.59 3.312± 0.063[] 73.03 [2.875] 17.02± 0.89 0.670±0 .035[] 8.73 [0.344] Ø25.40±0 .381 1.000± 0.015[] 3.18±0 .15 0.125± 0.006[] 72.24 [2.844] 73.03 [2.875] 30.94±Ø0 .381 1.218±0 .015[] 38.10±0 .89 1.500±0 .035[] 10.41 [0.410] 129.39±1 .59 5.094± 0.063[] 108.72± 1.59 4.280±0 .063[] 86.76± 1.59 3.416±0 .063[] 6.35±0 .15 0.250± 0.006[] 50.80±Ø0 .381 2.000±0 .015[] 6.35±0 .15 0.250± 0.006[] 63.50±Ø0 .381 2.500±0 .015[] 9.53±0 .15 0.375±0 .006[] 38.10±0 .89 1.500±0 .035[] 13.46 [0.530] 180.09±1 .59 7.090±0 .063[] 156.47± 1.59 6.160± 0.063[] 89.67±1 .59 [2.844] 50.80±0 .89 2.000± 0.035[] 13.46 [0.530] 173.05± 1.59 6.813±0 .063[] 142.83±1 .59 5.623±0 .063[] 103.20±1 .59 4.063± 0.063[] 72.24 [2.844] 35–100A 125–200A 225–400A 450–600A 700–800A 129.16±1 .59 5.085±0 .063[] 106.30±1 .59 4.185±0 .063[] 88.77±1 .59 3.495±0 .063[] 10.41 [0.410] 22.73±0 .89 0.895±0 .035[] 4.75±0 .15 0.187± 0.006[] 14.29 [0.563] 33.27 [1.310] 46.86 [1.845] 21.39 [0.842] 19.18 [0.755] 3RD ANGLE PROJECTION E OL-L70QS000 Littelfuse ® REVISION DRWG NO. TITLE C DRWD ATE GRAMS/PIECE FINISH GOOD WT MYORK 9/3/2015 MATL SPEC FINISH UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN LITTELFUSE INSPECTION INSTRUCTIONS. DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS SHOWN ON DRAWING AND INITIALLY LOCATED TO ALLOW FOR MAXIMUM TOOL LIFE. CPK CP SHEET 1 OF 1 SCALE L70QS SERIES OUTLINE NTS REVISION REV DATE DESCRIPTION A 3/23/16 515693GCP - RELEASE MRY B 9/6/16 516327ECP/D - CHG DATA SHEET REVISION MRY C 6/6/17 517424ECP/D - REMOVE DATA SHEET REVISION MRY D 9/5/17 517727ECP/D - ADD DIMENSION TOLERANCES MRY E 3/25/19 520556ECP/D - ADD BLADE TOLERANCES MRY 111.13±1 .59 4.375±0 .063[] 95.24± 1.59 3.749±0 .063[] 84.12± 1.59 3.312± 0.063[] 73.03 [2.875] 17.02± 0.89 0.670±0 .035[] 8.73 [0.344] Ø25.40±0 .381 1.000± 0.015[] 3.18±0 .15 0.125± 0.006[] 72.24 [2.844] 73.03 [2.875] 30.94±Ø0 .381 1.218±0 .015[] 38.10±0 .89 1.500±0 .035[] 10.41 [0.410] 129.39±1 .59 5.094± 0.063[] 108.72± 1.59 4.280±0 .063[] 86.76± 1.59 3.416±0 .063[] 6.35±0 .15 0.250± 0.006[] 50.80±Ø0 .381 2.000±0 .015[] 6.35±0 .15 0.250± 0.006[] 63.50±Ø0 .381 2.500±0 .015[] 9.53±0 .15 0.375±0 .006[] 38.10±0 .89 1.500±0 .035[] 13.46 [0.530] 180.09±1 .59 7.090±0 .063[] 156.47± 1.59 6.160± 0.063[] 89.67±1 .59 [2.844] 50.80±0 .89 2.000± 0.035[] 13.46 [0.530] 173.05± 1.59 6.813±0 .063[] 142.83±1 .59 5.623±0 .063[] 103.20±1 .59 4.063± 0.063[] 72.24 [2.844] 35–100A 125–200A 225–400A 450–600A 700–800A 129.16±1 .59 5.085±0 .063[] 106.30±1 .59 4.185±0 .063[] 88.77±1 .59 3.495±0 .063[] 10.41 [0.410] 22.73±0 .89 0.895±0 .035[] 4.75±0 .15 0.187± 0.006[] 14.29 [0.563] 33.27 [1.310] 46.86 [1.845] 21.39 [0.842] 19.18 [0.755] 3RD ANGLE PROJECTION E OL-L70QS000 Littelfuse ® REVISION DRWG NO. TITLE C DRWD ATE GRAMS/PIECE FINISH GOOD WT MYORK 9/3/2015 MATL SPEC FINISH UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN LITTELFUSE INSPECTION INSTRUCTIONS. DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS SHOWN ON DRAWING AND INITIALLY LOCATED TO ALLOW FOR MAXIMUM TOOL LIFE. CPK CP SHEET 1 OF 1 SCALE L70QS SERIES OUTLINE NTS REVISION REV DATE DESCRIPTION A 3/23/16 515693GCP - RELEASE MRY B 9/6/16 516327ECP/D - CHG DATA SHEET REVISION MRY C 6/6/17 517424ECP/D - REMOVE DATA SHEET REVISION MRY D 9/5/17 517727ECP/D - ADD DIMENSION TOLERANCES MRY E 3/25/19 520556ECP/D - ADD BLADE TOLERANCES MRY 111.13±1 .59 4.375±0 .063[] 95.24± 1.59 3.749±0 .063[] 84.12± 1.59 3.312± 0.063[] 73.03 [2.875] 17.02± 0.89 0.670±0 .035[] 8.73 [0.344] Ø25.40±0 .381 1.000± 0.015[] 3.18±0 .15 0.125± 0.006[] 72.24 [2.844] 73.03 [2.875] 30.94±Ø0 .381 1.218±0 .015[] 38.10±0 .89 1.500±0 .035[] 10.41 [0.410] 129.39±1 .59 5.094± 0.063[] 108.72± 1.59 4.280±0 .063[] 86.76± 1.59 3.416±0 .063[] 6.35±0 .15 0.250± 0.006[] 50.80±Ø0 .381 2.000±0 .015[] 6.35±0 .15 0.250± 0.006[] 63.50±Ø0 .381 2.500±0 .015[] 9.53±0 .15 0.375±0 .006[] 38.10±0 .89 1.500±0 .035[] 13.46 [0.530] 180.09±1 .59 7.090±0 .063[] 156.47± 1.59 6.160± 0.063[] 89.67±1 .59 [2.844] 50.80±0 .89 2.000± 0.035[] 13.46 [0.530] 173.05± 1.59 6.813±0 .063[] 142.83±1 .59 5.623±0 .063[] 103.20±1 .59 4.063± 0.063[] 72.24 [2.844] 35–100A 125–200A 225–400A 450–600A 700–800A 129.16±1 .59 5.085±0 .063[] 106.30±1 .59 4.185±0 .063[] 88.77±1 .59 3.495±0 .063[] 10.41 [0.410] 22.73±0 .89 0.895±0 .035[] 4.75±0 .15 0.187± 0.006[] 14.29 [0.563] 33.27 [1.310] 46.86 [1.845] 21.39 [0.842] 19.18 [0.755] 3RD ANGLE PROJECTION E OL-L70QS000 Littelfuse ® REVISION DRWG NO. TITLE C DRWD ATE GRAMS/PIECE FINISH GOOD WT MYORK 9/3/2015 MATL SPEC FINISH UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN LITTELFUSE INSPECTION INSTRUCTIONS. DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS SHOWN ON DRAWING AND INITIALLY LOCATED TO ALLOW FOR MAXIMUM TOOL LIFE. CPK CP SHEET 1 OF 1 SCALE L70QS SERIES OUTLINE NTS REVISION REV DATE DESCRIPTION A 3/23/16 515693GCP - RELEASE MRY B 9/6/16 516327ECP/D - CHG DATA SHEET REVISION MRY C 6/6/17 517424ECP/D - REMOVE DATA SHEET REVISION MRY D 9/5/17 517727ECP/D - ADD DIMENSION TOLERANCES MRY E 3/25/19 520556ECP/D - ADD BLADE TOLERANCES MRY 111.13±1 .59 4.375±0 .063[] 95.24± 1.59 3.749±0 .063[] 84.12± 1.59 3.312± 0.063[] 73.03 [2.875] 17.02± 0.89 0.670±0 .035[] 8.73 [0.344] Ø25.40±0 .381 1.000± 0.015[] 3.18±0 .15 0.125± 0.006[] 72.24 [2.844] 73.03 [2.875] 30.94±Ø0 .381 1.218±0 .015[] 38.10±0 .89 1.500±0 .035[] 10.41 [0.410] 129.39±1 .59 5.094± 0.063[] 108.72± 1.59 4.280±0 .063[] 86.76± 1.59 3.416±0 .063[] 6.35±0 .15 0.250± 0.006[] 50.80±Ø0 .381 2.000±0 .015[] 6.35±0 .15 0.250± 0.006[] 63.50±Ø0 .381 2.500±0 .015[] 9.53±0 .15 0.375±0 .006[] 38.10±0 .89 1.500±0 .035[] 13.46 [0.530] 180.09±1 .59 7.090±0 .063[] 156.47± 1.59 6.160± 0.063[] 89.67±1 .59 [2.844] 50.80±0 .89 2.000± 0.035[] 13.46 [0.530] 173.05± 1.59 6.813±0 .063[] 142.83±1 .59 5.623±0 .063[] 103.20±1 .59 4.063± 0.063[] 72.24 [2.844] 35–100A 125–200A 225–400A 450–600A 700–800A 129.16±1 .59 5.085±0 .063[] 106.30±1 .59 4.185±0 .063[] 88.77±1 .59 3.495±0 .063[] 10.41 [0.410] 22.73±0 .89 0.895±0 .035[] 4.75±0 .15 0.187± 0.006[] 14.29 [0.563] 33.27 [1.310] 46.86 [1.845] 21.39 [0.842] 19.18 [0.755]

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 4 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY Time Current Curve L70QS Series 100908070 100908070 1000009000080000 70000 60000 50000 40000 30000 20000 1000090008000 7000 6000 5000 4000 3000 2000 1000900800 700 600 500 400 300 200 1009080 1098 10987 10987 460A4 10.90.80.7 0.6 0.5 10.90.80.7 0.6 0.5 CONDS - 60A - 50A - 40A - 35A 0.4 0.3 0.2 0.10.090.080.07 0.06 0.05 0.04 0.4 0.3 0.2 0.10.090.080.07 0.06 0.05 0.04 E‐ARCING) TIME IN SEC 0.03 0.02 0.010.00900.00800.0070 0.0060 0.0050 0.0040 0.03 0.02 0.010.00900.00800.0070 0.0060 0.0050 0.0040 MELTING (PR 0.0030 0.0020 0.00100.00090.00080.0007 0.0006 0.0005 0.0004 0 0003 0.0030 0.0020 0.00100.00090.00080.0007 0.0006 0.0005 0.0004 0 00030.0003 0.0002 0.0001 0.0003 0.0002 0.0001 1000009000080000 70000 60000 50000 40000 30000 20000 1000090008000 7000 6000 5000 4000 3000 2000 1000900800 700 600 500 400 300 200 1009080 1098 PROSPECTIVE R.M.S CURRENT IN AMPERE BASIS FOR DATA: TEST VOLTAGE: 700V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 10/15/2015 A

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• THIS DATA IS GENERATED IN EXCEL - TIME CURRENT CHARACTERISTIC CURVES FCC01 L70QS

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 5 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY Time Current Curve L70QS Series 100908070 100908070 200000 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 10987 10987 4- 600A4 10.90.80.7 0.6 0.5 10.90.80.7 0.6 0.5 CONDS 600A - 500A - 450A - 200A - 175A 150A0.4 0.3 0.2 0.10.090.080.07 0.06 0.05 0.04 0.4 0.3 0.2 0.10.090.080.07 0.06 0.05 0.04 E‐ARCING) TIME IN SEC - 150A - 125A 0.03 0.02 0.010.00900.00800.0070 0.0060 0.0050 0.0040 0.03 0.02 0.010.00900.00800.0070 0.0060 0.0050 0.0040 MELTING (PR 0.0030 0.0020 0.00100.00090.00080.0007 0.0006 0.0005 0.0004 0 0003 0.0030 0.0020 0.00100.00090.00080.0007 0.0006 0.0005 0.0004 0 00030.0003 0.0002 0.0001 0.0003 0.0002 0.0001 200000 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 PROSPECTIVE R.M.S CURRENT IN AMPERE BASIS FOR DATA: TEST VOLTAGE: 700V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 10/15/2015 A

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• THIS DATA IS GENERATED IN EXCEL - TIME CURRENT CHARACTERISTIC CURVES FCC01 L70QS * Dc minimum breaking capacity = 6 x In (125-200 A only)

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 6 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY Time Current Curve L70QS Series 100908070 100908070 200000 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 10987 10987 - 800A - 700A 10.90.80.7 0.6 0.5 10.90.80.7 0.6 0.5 CONDS - 400A - 300A - 350A - 250A 0.4 0.3 0.2 0.10.090.080.07 0.06 0.05 0.04 0.4 0.3 0.2 0.10.090.080.07 0.06 0.05 0.04 E‐ARCING) TIME IN SEC - 225A 0.03 0.02 0.010.00900.00800.0070 0.0060 0.0050 0.0040 0.03 0.02 0.010.00900.00800.0070 0.0060 0.0050 0.0040 MELTING (PR 100A - 0.0030 0.0020 0.00100.00090.00080.0007 0.0006 0.0005 0.0004 0 0003 0.0030 0.0020 0.00100.00090.00080.0007 0.0006 0.0005 0.0004 0 0003 90A - 80A - 70A - 0.0003 0.0002 0.0001 0.0003 0.0002 0.0001 200000 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 PROSPECTIVE R.M.S CURRENT IN AMPERE BASIS FOR DATA: TEST VOLTAGE: 700V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 10/15/2015 A

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• THIS DATA IS GENERATED IN EXCEL - TIME CURRENT CHARACTERISTIC CURVES FCC01 L70QS

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 7 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY Peak Let-Thru Curve L70QS Series 200,000 100,000 90,000 80,000 70,000 60,000 50,000 40,000 30,000 20,000 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 100 100,000 90,000 80,000 70,000 60,000 50,000 40,000 30,000 20,000 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 100,000 90,000 80,000 70,000 60,000 50,000 40,000 30,000 20,000 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 PEAK LET- THRU IN AMPERES 800A - 600A - 400A - 200A - 100A - 60A - 200,000 100,000 90,000 80,000 70,000 60,000 50,000 40,000 30,000 20,000 10,000 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 100 1,000 900 800 700 600 500 400 300 200 100 1,000 900 800 700 600 500 400 300 200 100 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET PEAK LET‐THRU CHARACTERISTIC CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 10/13/2015 A

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• DATA GENERATED IN EXCEL -

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 8 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY T emperature De-rating Curve (temperature of air immediately surrounding fuse) L70QS Series - THIS DATA IS GENERATED IN EXCEL - BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET TEMPERATURE RE-RATING CURVE LITTELFUSE, INC. CHICAGO, IL. USA LLL 08/14/2017 A 20% 140°C 284°F 20% 120°C 248°F 80°C 176°F 40°C 104°F -20°C -4°F -40°C -40°F -60°C -76°F 40% 0°C 32°F 20°C 68°F 100°C 212°F 60°C 140°F PERCENT OF UPRATING AMBIENT TEMPERATURE 10% 30% 10% 30% 50%

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 9 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY T otal Clearing I2t Correction Factor Curve L70QS Series 0.9 0.9 700 600 500 400 300 200 100 0.8 0.7 0.6 0.8 0.7 0.6 0.5 0.4 0.5 0.4 ACTOR 0.3 0.3 ING I2T CORRECTION FA - 35A - 800A 0.2 0.2 TOTAL CLEAR 0.1 0.1 700 600 500 400 300 200 100 OPERATING VOLTAGE IN VOLT BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET I2T CORRECTION FACTOR LITTELFUSE, INC. CHICAGO, IL. USA LLL 01/26/2015 A

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BASIS FOR DATA: TEST VOLTAGE: 100V - 500V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET I2T VARIATION CURVES LITTELFUSE, INC. CHICAGO, IL. USA LLL 10/30/2015 A

• THIS DATA IS GENERATED IN EXCEL - I2T CORRECTION FACTOR FCC0I2T VARIATION CURVES FCC07 L70QS

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 10 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY Watts Loss Correction Factor Curve L70QS Series 0.9 0.9 100 0.8 0.7 0.6 0.8 0.7 0.6 0.5 0.4 0.5 0.4 TOR 0.3 0.3 OSS CORRECTION FACT - 35A - 800A 0.2 0.2 WATTS LO 0.1 0.1 100 PERCENT OF RATED CURRENT (%) BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET I2T CORRECTION FACTOR LITTELFUSE, INC. CHICAGO, IL. USA LLL 01/26/2015 A L50S 35-800ABASIS FOR DATA: TEST VOLTAGE: 700V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET DERATING CURVE ‐WATTS LOSS CORRECTION LITTELFUSE, INC. CHICAGO, IL. USA LLL 10/30/2015 A

• THIS DATA IS GENERATED IN EXCEL - I2T CORRECTION FACTOR FCC0DERATING CURVE WATTS LOSS CORRECTION FCC08 L70QS

Littelfuse.com/L70QS © 2020 Littelfuse, Inc. Rev: 092820 11 of 11 POWR-SPEED® Fuse L70QS SERIES HIGH-SPEED ROUND BODY Peak Arc Voltage Curve L70QS Series 2000 1800 2000 1800 700 600 500 400 300 200 1600 1400 1200 1600 1400 1200 1000 800 1000 800 OLT 600 600 AK ARC VOLTAGE IN VO 400 400 PEA 200 200 700 600 500 400 300 200 OPERATING VOLTAGE IN VOLTS BASIS FOR DATA: TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET ARC VOLTAGE LITTELFUSE, INC. CHICAGO, IL. USA LLL 01/26/2015 A L70S 35-800ABASIS FOR DATA: TEST VOLTAGE: 200V - 700V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: DRAWN BY: DATE: REVISION: DRAWING NO.: SHEET MAX ARC VOLTAGE VARIATION CURVE LITTELFUSE, INC. CHICAGO, IL. USA LLL 10/30//2015 A

• THIS DATA IS GENERATED IN EXCEL - ARC VOLTAGE FCC0MAX ARC VOLTAGE VARIATION CURVE FCC09 L70QS 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.com/Product-Disclaimer