POWR-SPEED Fuse PSR SERIES HIGH-SPEED SQUARE BODY S Semiconductor Fuses Flush End 40 A2250 A Specifications Voltage Range Ac: 450 V1300 V Dc: 450 V1000 V Amperage Range 40 A2250 A Interrupting Range Ac: 100 kA200 kA Dc: 150 kA Time Constant 10 ms at IR Microswitch Yes Mounting Flush-end style Material Body: ceramic Contacts: plated brass Approvals UL 248-13 Recognized (File: E71611) cURus (File: E71611) CCC* Description Applicable Standards UL248-13, IEC 60269-4 (Class aR) Littelfuse PSR series high-speed square body fuses are Environmental RoHS Compliant, REACH specially designed for protection of power semiconductor Operating Temperature -55 C to +125 C devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, Storage Temperature Up to +35 C with relative humidity and other solid state devices that are typically designed <65 % into power conversion and power conditioning equipment. Country of Origin Mexico Variable frequency drives, inverters, UPS, rectifiers, and soft-starters are examples of typical equipment designed with sensitive power semiconductor devices that cannot Ordering Part Number withstand any line surge or overcurrent conditions and require high-speed protection. PSR 030 FL 0550 Z Littelfuse POWR-SPEED PSR series products offer optimized circuit protection at the extremely fast speed Series required to protect modern day power conversion devices. Case Size Packing Quantity Such products are commonly found in numerous applications 30, 31, 32, 33, 70, 71, 72, 73 Z = (23 pcs/box) including pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment Termination Amperage plants, and various large factories and MRO facilities. FL - Flush end metric thread FS - Flush end inches thread Features/Benefits Best in class dc performance Catalog Number Extremely current limiting Superior cycling capability CASE CATALOG ORDERING SERIES TERMINATION AMPERAGE Global certification cURus, CCC* SIZE NUMBER PART NUMBER Direct bus-bar mount design PSR 030 FL 0550 PSR030FL0550 PSR030FL0550Z Visual and optional microswitch fuse blown indication Low watt-loss design Compliance with US and Canadian requirements Recommended Accessories Fast-acting Class aR performance Microswitch: MS3H1000C (case size 30 to 33) MS7H1500C (case size 70 to 73) Applications Power conversion devices (UPS, inverter, rectifiers, drives) Dc systems (dc common bus, dc injection braking) Web Resources Battery protection application (energy storage systems) Download technical documents: Littelfuse.com/PSR Electric vehicle charging stations Note: high-speed fuses are designed for fixed installations. They are not Heaters and power supplies intended for use in moving vehicle applications. * Refer to CCC section of Electrical Characteristics table Littelfuse.com/PSR 2021 Littelfuse, Inc. 1 of 20 Rev: 120721 POWR-SPEED Fuse PSR SERIES HIGH-SPEED SQUARE BODY Electrical Characteristics TOTAL VOLTAGE INTERRUPTING AGENCY WATT LOSS CATALOG NUMBER CLEARING MELTING RATING (V) RATING CERTIFICATION CASE AMPERE AT 100 % 2 2 I T (A s) AT (PRE-ARC) SIZE RATING (A) RATED AC 2 2 FLUSH END FLUSH END RATED VOLTAGE I T (A s) DC AC DC cURus CCC* CURRENT (W) METRIC THREAD INCHES THREAD IEC UL AC DC PSR030FL0040 PSR030FS0040 40 690 700 600 200 kA 150 kA 76 280 260 12 PSR030FL0050 PSR030FS0050 50 690 700 600 200 kA 150 kA 110 598 384 15 PSR030FL0063 PSR030FS0063 63 690 700 600 200 kA 150 kA 176 1023 640 20 PSR030FL0080 PSR030FS0080 80 690 700 600 200 kA 150 kA 304 1728 1252 24 PSR030FL0100 PSR030FS0100 100 690 700 600 200 kA 150 kA 437 2835 1575 27 PSR030FL0125 PSR030FS0125 125 690 700 600 200 kA 150 kA 707 4684 2783 36 PSR030FL0160 PSR030FS0160 160 690 700 600 200 kA 150 kA 1359 9114 5507 39 PSR030FL0200 PSR030FS0200 200 690 700 600 200 kA 150 kA 3012 15169 14700 39 30 PSR030FL0250 PSR030FS0250 250 690 700 600 200 kA 150 kA 4668 29952 20833 50 PSR030FL0315 PSR030FS0315 315 690 700 600 200 kA 150 kA 7131 61830 31600 61 PSR030FL0350 PSR030FS0350 350 690 700 600 200 kA 150 kA 12007 85320 49273 62 PSR030FL0400 PSR030FS0400 400 690 700 600 200 kA 150 kA 16209 114750 63367 75 PSR030FL0450 PSR030FS0450 450 690 700 600 200 kA 150 kA 23133 160110 93533 75 PSR030FL0500 PSR030FS0500 500 690 700 600 200 kA 150 kA 31429 225180 137333 80 PSR030FL0550 PSR030FS0550 550 690 700 600 200 kA 150 kA 44323 268920 145400 78 PSR030FL0630 PSR030FS0630 630 690 700 550 200 kA 150 kA 57404 480010 267800 90 PSR031FL0200 PSR031FS0200 200 690 700 600 200 kA 150 kA 1965 17334 16188 49 PSR031FL0250 PSR031FS0250 250 690 700 600 200 kA 150 kA 3789 35343 21080 52 PSR031FL0315 PSR031FS0315 315 690 700 600 200 kA 150 kA 6862 59130 30694 61 PSR031FL0350 PSR031FS0350 350 690 700 600 200 kA 150 kA 9523 76140 40996 63 PSR031FL0400 PSR031FS0400 400 690 700 600 200 kA 150 kA 14770 124335 64359 64 PSR031FL0450 PSR031FS0450 450 690 700 600 200 kA 150 kA 22457 178200 97444 69 31 PSR031FL0500 PSR031FS0500 500 690 700 600 200 kA 150 kA 29751 251505 125935 81 PSR031FL0550 PSR031FS0550 550 690 700 600 200 kA 150 kA 42056 289170 171845 77 PSR031FL0630 PSR031FS0630 630 690 700 600 200 kA 150 kA 45403 415500 175500 93 PSR031FL0700 PSR031FS0700 700 690 700 600 200 kA 150 kA 98187 601425 337260 92 PSR031FL0800 PSR031FS0800 800 690 700 600 200 kA 150 kA 137208 848880 502800 106 PSR031FL0900 PSR031FS0900 900 550 600 550 200 kA 150 kA 155163 945100 631820 118 PSR032FL0400 PSR032FS0400 400 690 700 600 200 kA 150 kA 11104 79650 44533 82 PSR032FL0450 PSR032FS0450 450 690 700 600 200 kA 150 kA 15535 116100 65463 88 PSR032FL0500 PSR032FS0500 500 690 700 600 200 kA 150 kA 21573 161460 88277 94 PSR032FL0550 PSR032FS0550 550 690 700 600 200 kA 150 kA 26327 177660 107960 104 PSR032FL0630 PSR032FS0630 630 690 700 600 200 kA 150 kA 34790 234900 156963 110 PSR032FL0700 PSR032FS0700 700 690 700 600 200 kA 150 kA 51191 291870 209287 117 32 PSR032FL0800 PSR032FS0800 800 690 700 600 200 kA 150 kA 60125 472770 249000 145 PSR032FL0900 PSR032FS0900 900 690 700 600 200 kA 150 kA 107785 764100 404000 145 PSR032FL1000 PSR032FS1000 1000 690 700 600 200 kA 150 kA 190102 933120 672333 146 PSR032FL1100 PSR032FS1100 1100 690 700 600 200 kA 150 kA 225379 1247400 744000 149 PSR032FL1250 PSR032FS1250 1250 550** 600** 550** 200 kA 150 kA 336661 1114994 1197000 149 PSR032FL1400 PSR032FS1400 1400 450 500 450 200 kA 150 kA 551749 1611639 1865400 154 PSR032FL1500 PSR032FS1500 1500 450 500 450 200 kA 150 kA 673360 2045907 1735500 171 PSR033FL0450 PSR033FS0450 450 690 700 600 200 kA 150 kA 13600 106380 58947 99 PSR033FL0500 PSR033FS0500 500 690 700 600 200 kA 150 kA 16434 140400 77846 107 PSR033FL0550 PSR033FS0550 550 690 700 600 200 kA 150 kA 23314 187650 100461 108 PSR033FL0630 PSR033FS0630 630 690 700 600 200 kA 150 kA 38727 285930 142437 113 PSR033FL0700 PSR033FS0700 700 690 700 600 200 kA 150 kA 56763 392580 209863 113 PSR033FL0800 PSR033FS0800 800 690 700 600 200 kA 150 kA 84691 575505 348500 120 PSR033FL0900 PSR033FS0900 900 690 700 600 200 kA 150 kA 122619 740340 451177 122 PSR033FL1000 PSR033FS1000 1000 690 700 600 200 kA 150 kA 222350 1170450 787750 124 33 PSR033FL1100 PSR033FS1100 1100 690 700 600 200 kA 150 kA 310824 1568700 821400 127 PSR033FL1250 PSR033FS1250 1250 690 700 600 200 kA 150 kA 476902 2403000 1674333 131 PSR033FL1400 PSR033FS1400 1400 690 700 500 200 kA 150 kA 583552 2920050 1979750 144 PSR033FL1500 PSR033FS1500 1500 600 650 500 200 kA 150 kA 674538 2433200 1996733 163 PSR033FL1600 PSR033FS1600 1600 600 650 500 200 kA 150 kA 779948 2942800 2301633 182 PSR033FL1800 PSR033FS1800 1800 600 650 500 200 kA 150 kA 952196 3785040 2724180 224 PSR033FL2000 PSR033FS2000 2000 550 600 500 200 kA 150 kA 1234315 4131600 3755180 222 PSR033FL2250 PSR033FS2250 2250 500 550 450 200 kA 150 kA 1236000 4459651 3859500 299 *CCC Certification only on Flush End Metric Thread Version **Littelfuse self-certified Littelfuse.com/PSR 2021 Littelfuse, Inc. 2 of 20 Rev: 120721