FLSR001.T

FLSR_V01 LITTELFUSE | Alldatasheet

Document overview

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Technical content

Littelfuse.com/FLSR © 2021 Littelfuse, Inc. Rev: 090721 Class RK5 Fuses FLSR Series

600 V ac • Dual Element • Time Delay • 1⁄10–600 A

Description

Littelfuse FLSR series fuses have been the superior UL Class RK5 dual-element time-delay fuses, and are the most widely used class of fuses. FLSR series fuses provide excellent protection for all types of circuits especially those containing motors. Also available in indicating version, see FLSR_ID series.

Applications

• Service entrance switches
• Transformers
• Switchboard mains and feeders
• Motor control central mains and motor branch circuits
• All general purpose circuits Specifications Voltage Rating Ac: 600 V Dc: 300 V Interrupting Ratings Ac: 200 kA rms symmetrical; 300 kA rms symmetrical (Littelfuse self-certified) Dc: 20 kA Ampere Range 1⁄10 –600 A Applicable Standards UL 248-12, Class RK5 Features & Benefits FEATURES BENEFITS Excellent short-circuit protection Improve safety through faster response to fault currents Dual-element design Provides advanced short circuit and overload protection Current limiting Restricts fault currents to provide a high degree of circuit protection.

Littelfuse.com/FLSR © 2021 Littelfuse, Inc. Rev: 090721 Class RK5 Fuses FLSR Series Certification & Compliance UL UL Listed (File: E81895) CSA CSA Certified (File: LR29862) Accessories LFR60 series fuse holder

Ordering Information

AMPERE RATING CATALOG NUMBER PRODUCT MARKING PACKING QUANTITY ORDERING NUMBER UPC CODE 1⁄10 FLSR.100 FLSR 1⁄10 A 10 FLSR.100T 07945817011 15⁄100 FLSR.150 FLSR 15⁄100 A 10 FLSR.150T 07945817013 2⁄10 FLSR.200 FLSR 2⁄10 A 10 FLSR.200T 07945817018 1⁄4 FLSR.250 FLSR 1⁄4 A 10 FLSR.250T 07945817019 3⁄10 FLSR.300 FLSR 3⁄10 A 10 FLSR.300T 07945800092 4⁄10 FLSR.400 FLSR 4⁄10 A 10 FLSR.400T 07945817023 1⁄2 FLSR.500 FLSR 1⁄2 A 10 FLSR.500T 07945817024 6⁄10 FLSR.600 FLSR 6⁄10 A 10 FLSR.600T 07945800093 8⁄10 FLSR.800 FLSR 8⁄10 A 10 FLSR.800T 07945800094 1 FLSR001 FLSR 1A 10 FLSR001.T 07945817031 1 1⁄8 FLSR1.12 FLSR 1 1⁄8 A 10 FLSR1.12T 07945817032 1 1⁄4 FLSR1.25 FLSR 1 1⁄4 A 10 FLSR1.25T 07945817034 1 4⁄10 FLSR01.4 FLSR 1 4⁄10 A 10 FLSR01.4T 07945817036 1 1⁄2 FLSR01.5 FLSR 1 1⁄2 A 10 FLSR01.5T 07945817037 1 6⁄10 FLSR01.6 FLSR 1 6⁄10 A 10 FLSR01.6T 07945817038 1 8⁄10 FLSR01.8 FLSR 1 8⁄10 A 10 FLSR01.8T 07945817040 2 FLSR002 FLSR 2A 10 FLSR002.T 07945817041 2 1⁄4 FLSR2.25 FLSR 2 1⁄4 A 10 FLSR2.25T 07945817042 2 1⁄2 FLSR02.5 FLSR 2 1⁄2 A 10 FLSR02.5T 07945817043 2 8⁄10 FLSR02.8 FLSR 2 8⁄10 A 10 FLSR02.8T 07945817046 3 FLSR003 FLSR 3A 10 FLSR003.T 07945817047 3 2⁄10 FLSR03.2 FLSR 3 2⁄10 A 10 FLSR03.2T 07945817049 3 1⁄2 FLSR03.5 FLSR 3 1⁄2 A 10 FLSR03.5T 07945817051 4 FLSR004 FLSR 4A 10 FLSR004.T 07945817053 4 1⁄2 FLSR04.5 FLSR 4 1⁄2 A 10 FLSR04.5T 07945817054 5 FLSR005 FLSR 5A 10 FLSR005.T 07945817055 5 6⁄10 FLSR05.6 FLSR 5 6⁄10 A 10 FLSR05.6T 07945817056 6 FLSR006 FLSR 6A 10 FLSR006.T 07945817058 6 1⁄4 FLSR6.25 FLSR 6 1⁄4 A 10 FLSR6.25T 07945817059 7 FLSR007 FLSR 7A 10 FLSR007.T 07945817061 7 1⁄2 FLSR07.5 FLSR 7 1⁄2 A 10 FLSR07.5T 07945817062

Littelfuse.com/FLSR © 2021 Littelfuse, Inc. Rev: 090721 Class RK5 Fuses FLSR Series Ordering Information (cont.) AMPERE RATING CATALOG NUMBER PRODUCT MARKING PACKING QUANTITY ORDERING NUMBER UPC CODE 8 FLSR008 FLSR 8A 10 FLSR008.T 07945817063 9 FLSR009 FLSR 9A 10 FLSR009.T 07945817064 10 FLSR010 FLSR 10A 10 FLSR010.T 07945817065 12 FLSR012 FLSR 12A 10 FLSR012.T 07945817066 15 FLSR015 FLSR 15A 10 FLSR015.T 07945817068 17 1⁄2 FLSR17.5 FLSR 17 1⁄2 A 10 FLSR17.5T 07945817069 20 FLSR020 FLSR 20A 10 FLSR020.T 07945817071 25 FLSR025 FLSR 25A 10 FLSR025.T 07945817072 30 FLSR030 FLSR 30A 10 FLSR030.T 07945817073 35 FLSR035 FLSR 35A 10 FLSR035.T 07945817074 40 FLSR040 FLSR 40A 10 FLSR040.T 07945817075 45 FLSR045 FLSR 45A 10 FLSR045.T 07945817076 50 FLSR050 FLSR 50A 10 FLSR050.T 07945817077 60 FLSR060 FLSR 60A 10 FLSR060.T 07945817078 70 FLSR070 FLSR 70A 5 FLSR070.V 07945817079 75 FLSR075 FLSR 75A 5 FLSR075.V 07945800217 80 FLSR080 FLSR 80A 5 FLSR080.V 07945817080 90 FLSR090 FLSR 90A 5 FLSR090.V 07945817081 100 FLSR100 FLSR 100A 5 FLSR100.V 07945817082 110 FLSR110 FLSR 110A 1 FLSR110.X 07945817083 125 FLSR125 FLSR 125A 1 FLSR125.X 07945817084 150 FLSR150 FLSR 150A 1 FLSR150.X 07945817086 175 FLSR175 FLSR 175A 1 FLSR175.X 07945817087 200 FLSR200 FLSR 200A 1 FLSR200.X 07945817088 225 FLSR225 FLSR 225A 1 FLSR225.X 07945817089 250 FLSR250 FLSR 250A 1 FLSR250.X 07945817090 300 FLSR300 FLSR 300A 1 FLSR300.X 07945817091 350 FLSR350 FLSR 350A 1 FLSR350.X 07945817092 400 FLSR400 FLSR 400A 1 FLSR400.X 07945817093 450 FLSR450 FLSR 450A 1 FLSR450.X 07945817095 500 FLSR500 FLSR 500A 1 FLSR500.X 07945817096 600 FLSR600 FLSR 600A 1 FLSR600.X 07945817098

Littelfuse.com/FLSR © 2021 Littelfuse, Inc. Rev: 090721 Class RK5 Fuses FLSR Series CHICAGO, ILLINOIS 60631 3RD ANGLE PROJECTION

1 OL for Datasheet

® REVISION DRWG NO. TITLE B DRW DATE GRAMS/PIECE FINISH GOOD WT myork 8/30/2021 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 NTS CRITICAL CHARACTERISTIC FOR PART SAFETY/COMPLIANCE<S> REVISION REV DATE DESCRIPTION 1 8/30/21 DRAWING CREATED MRY A B C D E F G A B C D E F H J K FIG. 1 FIG. 2 Disclaimer Notice – Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer. AMPS FIGURE NUMBER DIMENSIONS INCHES (MM) A B C D E F G H J K 1⁄10 –30 1 5 (127.0) 0.76 (19.2) 0.63 (15.9) 0.81 (20.7) 0.09 (2.4) 0.19 (4.7) 0.61 (15.5) - - - 35–60 1 5.50 (139.7) (25.1) 0.63 (15.9) 1.06 (27.0) 0.09 (2.4) 0.25 (6.4) 0.88 (22.2) - - - 70–100 2 7.88 (200.0) 1.24 (31.5) 1.06 (27.0) 1.28 (32.6) 0.13 (3.2) 0.75 (19.1) - 0.25 (6.4) 0.28 (7.1) 0.50 (12.7) 110–200 2 9.63 (244.5) 1.74 (44.2) 1.47 (37.3) 1.79 (45.4) 0.19 (4.8) 1.13 (28.6) - 0.44 (11.1) 0.28 (7.1) 0.69 (17.5) 225 –400 2 11.63 (295.3) 2.50 (63.1) (50.8) 2.54 (64.6) 0.25 (6.4) 1.63 (41.3) - 0.63 (15.9) 0.41 (10.3) 0.95 (24.0) 450 –600 2 13.38 (339.7) (76.0) 2.41 (61.1) 3.04 (77.3) 0.25 (6.5) (50.8) - 0.75 (19.1) 0.53 (13.5) 1.13 (28.6) SHORT CIRCUIT CURRENT* APPARENT RMS SYMMETRICAL CURRENT FOR VARIOUS FUSE RATINGS

30 A 60 A 100 A 200 A 400 A 600 A

5,000 1,250 2,100 3,200 5,000 5,000 5,000 10,000 1,600 2,850 4,300 7,25 0 10,000 10,000 15,000 1,800 3,400 5,000 8,500 13,500 15,000 20,000 2,250 3,800 5,500 9,500 15,750 19,000 25,000 2,450 4,100 5,700 10,250 17 ,000 21,000 30,000 2,700 4,500 6,400 10,750 18,000 23,000 35,000 2,900 4,800 6,700 11,500 19,000 24,250 40,000 3,000 5,000 7,25 0 12,000 19,500 27 ,000 50,000 3,400 5,250 7,75 0 13,000 21,000 29,000 60,000 3,600 5,750 8,100 14,000 22,000 30,500 80,000 3,900 6,250 9,000 15,000 24,000 33,000 100,000 4,300 6,750 9,750 16,500 26,000 35,000 150,000 4,500 7,6 0 0 11,100 19,000 28,000 38,000 200,000 4,600 8,400 12,250 21,500 30,000 40,000 Current-Limiting Effects of FLSR Fuses Dimensions *Prospective RMS Symmetrical Amperes Short-Circuit Current Note: Data Derived from Peak Let-Thru Curves