POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Semiconductor Fuses * Flush End * 40 A - 2000 A S Specifications Voltage Range AC: 550 V - 1300 V DC: 500 V - 1000 V 40 A - 2000 A AC: 100 kA - 200 kA DC: 150 kA 10ms Yes Flush-End Style Body: Ceramic Contacts: Plated Brass UL 248-13 Recognized (File: E71611) C-UR-US (File: E71611) IEC 60269-4 (Class aR) CCC RoHS Compliant, REACH -55 C to +125 C Up to +35 C with Relative Humidity <65% Mexico Amperage Range Interrupting Range Time Constant Microswitch Mounting Material Description Littelfuse PSR Series High-Speed Square Body Fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs and other solid state devices that are typically designed into power conversion and power conditioning equipment. Variable frequency drives, inverters, UPS, rectifiers and soft-starters are examples of typical equipment designed with sensitive power semiconductor devices that cannot withstand any line surge or overcurrent conditions and require high-speed protection. Approvals Environmental Operating Temperature Storage Temperature Country of Origin Littelfuse POWR-SPEED PSR Series products offer optimized circuit protection at the extremely fast speed required to protect modern day power conversion devices. Such products are commonly found in numerous applications including pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment plants and various large factories and MRO facilities. (R) Features/Benefits Best in Class DC performance Extremely current limiting Superior cycling capability Global certification cURus, CCC, IEC Direct bus-bar mount design Visual and optional microswitch fuse blown indication Low watt-loss design Compliance with US and Canadian requirements Class aR performance according to IEC60269-4 Ordering Part Number PSR 030 FL 0550 Z Series Case Size Packing Quantity 30, 31, 32, 33, 70, 71, 72,73 Z = (2-3 Pcs/Box) Termination Catalog Number SERIES PSR Applications Power Conversion Devices (UPS, Inverter, Rectifiers, Drives) DC Systems (DC Common Bus, DC Injection Braking) Battery Protection Application (Energy Storage Systems) Electric Vehicle Charging Stations Heaters and Power Supplies Amperage FL - Flush End Metric Thread FS - Flush End Inches Thread CASE TERMINATION SIZE 030 FL AMPERAGE CATALOG NUMBER ORDERING PART NUMBER 0550 PSR030FL0550 PSR030FL0550Z Recommended Accessories Microswitch: MS3H1000C (Case Size 30 to 33) MS7H1500C (Case Size 70 to 73) 1 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Electrical Characteristics CATALOG NUMBER CASE SIZE* AMPERAGE RATING (A) FLUSH END FLUSH END METRIC THREAD INCHES THREAD VOLTAGE RATING (V) AC IEC UL INTERRUPTING RATING DC AC DC MELTING (PRE-ARC) I2T (A2s) TOTAL CLEARING 2 I T (A2s) AT RATED VOLTAGE AC DC AGENCY WATT LOSS CERTIFICATION AT 100% RATED CURRENT (W) cURus CCC 30 PSR030FL0040 PSR030FL0050 PSR030FL0063 PSR030FL0080 PSR030FL0100 PSR030FL0125 PSR030FL0160 PSR030FL0200 PSR030FL0250 PSR030FL0315 PSR030FL0350 PSR030FL0400 PSR030FL0450 PSR030FL0500 PSR030FL0550 PSR030FS0040 PSR030FS0050 PSR030FS0063 PSR030FS0080 PSR030FS0100 PSR030FS0125 PSR030FS0160 PSR030FS0200 PSR030FS0250 PSR030FS0315 PSR030FS0350 PSR030FS0400 PSR030FS0450 PSR030FS0500 PSR030FS0550 40 50 63 80 100 125 160 200 250 315 350 400 450 500 550 690 690 690 690 690 690 690 690 690 690 690 690 690 690 690 700 700 700 700 700 700 700 700 700 700 700 700 700 700 700 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 76 110 176 304 437 707 1359 3012 4668 7131 12007 16209 23133 31429 44323 280 260 598 384 1023 640 1728 1252 2835 1575 4684 2783 9114 5507 15169 14700 29952 20833 61830 31600 85320 49273 114750 63367 160110 93533 225180 137333 268920 145400 12 15 20 24 27 36 39 39 50 61 62 75 75 80 78 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 31 PSR031FL0200 PSR031FL0250 PSR031FL0315 PSR031FL0350 PSR031FL0400 PSR031FL0450 PSR031FL0500 PSR031FL0550 PSR031FL0630 PSR031FL0700 PSR031FL0800 PSR031FS0200 PSR031FS0250 PSR031FS0315 PSR031FS0350 PSR031FS0400 PSR031FS0450 PSR031FS0500 PSR031FS0550 PSR031FS0630 PSR031FS0700 PSR031FS0800 200 250 315 350 400 450 500 550 630 700 800 690 690 690 690 690 690 690 690 690 690 690 700 700 700 700 700 700 700 700 700 700 700 600 600 600 600 600 600 600 600 600 600 600 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 1965 3789 6862 9523 14770 22457 29751 42056 73513 98187 137208 17334 16188 35343 21080 59130 30694 76140 40996 124335 64359 178200 97444 251505 125935 289170 171845 507465 276315 601425 337260 848880 502800 49 52 61 63 63 68 74 79 86 89 107 * * * * * * * * * * * * * * * * * * * * * * 32 PSR032FL0400 PSR032FL0450 PSR032FL0500 PSR032FL0550 PSR032FL0630 PSR032FL0700 PSR032FL0800 PSR032FL0900 PSR032FL1000 PSR032FL1100 PSR032FS0400 PSR032FS0450 PSR032FS0500 PSR032FS0550 PSR032FS0630 PSR032FS0700 PSR032FS0800 PSR032FS0900 PSR032FS1000 PSR032FS1100 400 450 500 550 630 700 800 900 1000 1100 690 690 690 690 690 690 690 690 690 690 700 700 700 700 700 700 700 700 700 700 600 600 600 600 600 600 600 600 600 600 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 11104 15535 21573 26327 34790 51191 60125 107785 190102 225379 79650 116100 161460 177660 234900 291870 472770 764100 933120 1247400 44533 65463 88277 107960 156963 209287 249000 404000 672333 744000 82 88 94 104 110 117 145 145 146 149 * * * * * * * * * * * * * * * * * * * * 33 PSR033FL0450 PSR033FL0500 PSR033FL0550 PSR033FL0630 PSR033FL0700 PSR033FL0800 PSR033FL0900 PSR033FL1000 PSR033FL1100 PSR033FL1250 PSR033FL1400 PSR033FL1500 PSR033FL1600 PSR033FL1800 PSR033FL2000 PSR033FS0450 PSR033FS0500 PSR033FS0550 PSR033FS0630 PSR033FS0700 PSR033FS0800 PSR033FS0900 PSR033FS1000 PSR033FS1100 PSR033FS1250 PSR033FS1400 PSR033FS1500 PSR033FS1600 PSR033FS1800 PSR033FS2000 450 500 550 630 700 800 900 1000 1100 1250 1400 1500 1600 1800 2000 690 690 690 690 690 690 690 690 690 690 690 600 600 600 550 700 700 700 700 700 700 700 700 700 700 700 650 650 650 600 600 600 600 600 600 600 600 600 600 600 500 500 500 500 500 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 200kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 13600 16434 23314 38727 56763 84691 122619 222350 310824 476902 583552 674538 779948 952196 1234315 106380 140400 187650 285930 392580 575505 740340 1170450 1568700 2403000 2920050 2433200 2942800 3785040 4131600 58947 77846 100461 142437 209863 348500 451177 787750 821400 1674333 1979750 1996733 2301633 2724180 3755180 99 107 108 113 113 120 122 124 127 131 144 163 182 224 222 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 2 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Electrical Characteristics (cont.) CATALOG NUMBER CASE SIZE* AMPERAGE RATING (A) FLUSH END FLUSH END METRIC THREAD INCHES THREAD VOLTAGE RATING (V) AC IEC UL INTERRUPTING RATING DC AC DC MELTING (PRE-ARC) I2T (A2s) TOTAL CLEARING I2T (A2s) AT RATED VOLTAGE AC DC AGENCY WATT LOSS CERTIFICATION AT 100% RATED CURRENT (W) cURus CCC 70 PSR070FL0050 PSR070FL0063 PSR070FL0080 PSR070FL0100 PSR070FL0125 PSR070FL0160 PSR070FL0200 PSR070FL0250 PSR070FL0280 PSR070FL0315 PSR070FS0050 PSR070FS0063 PSR070FS0080 PSR070FS0100 PSR070FS0125 PSR070FS0160 PSR070FS0200 PSR070FS0250 PSR070FS0280 PSR070FS0315 50 63 80 100 125 160 200 250 280 315 1250 1250 1250 1250 1250 1250 1250 1250 1250 1250 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 100kA 100kA 100kA 100kA 100kA 100kA 100kA 100kA 100kA 100kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 177 273 583 974 1352 2377 4177 8629 11844 18162 2050 3399 6732 10996 13011 25662 39087 89790 113201 142051 400 900 2200 3750 5150 8950 17267 36750 46750 66833 21 23 24 29 43 51 61 71 71 69 * * * * * * * * * * * * * * * * * * * * PSR071FS0160 PSR071FS0200 PSR071FS0250 PSR071FS0280 PSR071FS0315 PSR071FS0350 PSR071FS0400 PSR071FS0450 160 200 250 280 315 350 400 450 1250 1250 1250 1250 1250 1250 1250 1250 1300 1300 1300 1300 1300 1300 1300 1300 1000 1000 1000 1000 1000 1000 1000 1000 100kA 100kA 100kA 100kA 100kA 100kA 100kA 100kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 2756 4918 10592 13763 20882 23301 43211 55915 24600 50307 104427 131897 200244 225500 374986 452394 8800 19050 43100 54150 67450 102500 185000 241333 42 52 54 58 60 71 69 88 * * * * * * * * * * * 71 PSR071FL0160 PSR071FL0200 PSR071FL0250 PSR071FL0280 PSR071FL0315 PSR071FL0350 PSR071FL0400 PSR071FL0450 PSR072FL0250 PSR072FL0280 PSR072FL0315 PSR072FL0350 PSR072FL0400 PSR072FL0450 PSR072FL0500 PSR072FL0550 PSR072FL0630 PSR072FS0250 PSR072FS0280 PSR072FS0315 PSR072FS0350 PSR072FS0400 PSR072FS0450 PSR072FS0500 PSR072FS0550 PSR072FS0630 250 280 315 350 400 450 500 550 630 1250 1250 1250 1250 1250 1250 1250 1250 1250 1300 1300 1300 1300 1300 1300 1300 1300 1300 1000 1000 1000 1000 1000 1000 1000 1000 1000 100kA 100kA 100kA 100kA 100kA 100kA 100kA 100kA 100kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 7737 10915 16187 18727 27112 35927 50398 73858 126126 72789 28567 124538 46897 145140 58867 160447 69633 243540 108000 406413 159133 425375 216333 539833 271333 942180 436000 63 62 67 80 89 107 115 115 119 * * * * * * * * * * * * * * * * * * PSR073FL0315 PSR073FL0350 PSR073FL0400 PSR073FL0450 PSR073FL0500 PSR073FL0550 PSR073FL0630 PSR073FL0700 PSR073FS0315 PSR073FS0350 PSR073FS0400 PSR073FS0450 PSR073FS0500 PSR073FS0550 PSR073FS0630 PSR073FS0700 315 350 400 450 500 550 630 700 1250 1250 1250 1250 1250 1250 1250 1250 1300 1300 1300 1300 1300 1300 1300 1300 1000 1000 1000 1000 1000 1000 1000 1000 100kA 100kA 100kA 100kA 100kA 100kA 100kA 100kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 150kA 10245 13586 19797 29834 42751 55513 94649 158097 106600 159627 211273 279073 416437 491713 804338 1170960 88 96 124 122 121 130 136 135 * * * * * * * * * * * * * * * * 72 73 3 of 21 38650 57467 86800 114333 184500 224500 377500 575667 * * * * littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Ordering Information FLUSH END - METRIC THREAD FLUSH END - INCHES THREAD CATALOG NUMBER ORDERING PART NUMBER UPC CATALOG NUMBER ORDERING PART NUMBER UPC BOX QUANTITY PCS/BOX 30 PSR030FL0040 PSR030FL0050 PSR030FL0063 PSR030FL0080 PSR030FL0100 PSR030FL0125 PSR030FL0160 PSR030FL0200 PSR030FL0250 PSR030FL0315 PSR030FL0350 PSR030FL0400 PSR030FL0450 PSR030FL0500 PSR030FL0550 PSR030FL0040Z PSR030FL0050Z PSR030FL0063Z PSR030FL0080Z PSR030FL0100Z PSR030FL0125Z PSR030FL0160Z PSR030FL0200Z PSR030FL0250Z PSR030FL0315Z PSR030FL0350Z PSR030FL0400Z PSR030FL0450Z PSR030FL0500Z PSR030FL0550Z 07945820436 07945820437 07945820438 07945820439 07945820440 07945820441 07945820442 07945820443 07945820444 07945820445 07945820446 07945820447 07945820448 07945820449 07945820450 PSR030FS0040 PSR030FS0050 PSR030FS0063 PSR030FS0080 PSR030FS0100 PSR030FS0125 PSR030FS0160 PSR030FS0200 PSR030FS0250 PSR030FS0315 PSR030FS0350 PSR030FS0400 PSR030FS0450 PSR030FS0500 PSR030FS0550 PSR030FS0040Z PSR030FS0050Z PSR030FS0063Z PSR030FS0080Z PSR030FS0100Z PSR030FS0125Z PSR030FS0160Z PSR030FS0200Z PSR030FS0250Z PSR030FS0315Z PSR030FS0350Z PSR030FS0400Z PSR030FS0450Z PSR030FS0500Z PSR030FS0550Z 07945820451 07945820452 07945820453 07945820454 07945820455 07945820456 07945820457 07945820458 07945820459 07945820460 07945820461 07945820462 07945820463 07945820464 07945820465 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 31 PSR031FL0200 PSR031FL0250 PSR031FL0315 PSR031FL0350 PSR031FL0400 PSR031FL0450 PSR031FL0500 PSR031FL0550 PSR031FL0630 PSR031FL0700 PSR031FL0800 PSR031FL0200Z PSR031FL0250Z PSR031FL0315Z PSR031FL0350Z PSR031FL0400Z PSR031FL0450Z PSR031FL0500Z PSR031FL0550Z PSR031FL0630Z PSR031FL0700Z PSR031FL0800Z 07945820466 07945820467 07945820468 07945820469 07945820470 07945820471 07945820472 07945820473 07945820474 07945820475 07945820476 PSR031FS0200 PSR031FS0250 PSR031FS0315 PSR031FS0350 PSR031FS0400 PSR031FS0450 PSR031FS0500 PSR031FS0550 PSR031FS0630 PSR031FS0700 PSR031FS0800 PSR031FS0200Z PSR031FS0250Z PSR031FS0315Z PSR031FS0350Z PSR031FS0400Z PSR031FS0450Z PSR031FS0500Z PSR031FS0550Z PSR031FS0630Z PSR031FS0700Z PSR031FS0800Z 07945820477 07945820478 07945820479 07945820480 07945820481 07945820482 07945820483 07945820484 07945820485 07945820486 07945820487 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 32 PSR032FL0400 PSR032FL0450 PSR032FL0500 PSR032FL0550 PSR032FL0630 PSR032FL0700 PSR032FL0800 PSR032FL0900 PSR032FL1000 PSR032FL1100 PSR032FL0400Z PSR032FL0450Z PSR032FL0500Z PSR032FL0550Z PSR032FL0630Z PSR032FL0700Z PSR032FL0800Z PSR032FL0900Z PSR032FL1000Z PSR032FL1100Z 07945820488 07945820489 07945820490 07945820491 07945820492 07945820493 07945820494 07945820495 07945820496 07945820497 PSR032FS0400 PSR032FS0450 PSR032FS0500 PSR032FS0550 PSR032FS0630 PSR032FS0700 PSR032FS0800 PSR032FS0900 PSR032FS1000 PSR032FS1100 PSR032FS0400Z PSR032FS0450Z PSR032FS0500Z PSR032FS0550Z PSR032FS0630Z PSR032FS0700Z PSR032FS0800Z PSR032FS0900Z PSR032FS1000Z PSR032FS1100Z 07945820498 07945820499 07945820500 07945820501 07945820502 07945820503 07945820504 07945820505 07945820506 07945820507 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 33 PSR033FL0450 PSR033FL0500 PSR033FL0550 PSR033FL0630 PSR033FL0700 PSR033FL0800 PSR033FL0900 PSR033FL1000 PSR033FL1100 PSR033FL1250 PSR033FL1400 PSR033FL1500 PSR033FL1600 PSR033FL1800 PSR033FL2000 PSR033FL0450Z PSR033FL0500Z PSR033FL0550Z PSR033FL0630Z PSR033FL0700Z PSR033FL0800Z PSR033FL0900Z PSR033FL1000Z PSR033FL1100Z PSR033FL1250Z PSR033FL1400Z PSR033FL1500Z PSR033FL1600Z PSR033FL1800Z PSR033FL2000Z 07945822163 07945820508 07945820509 07945820510 07945820511 07945820512 07945820513 07945820514 07945820515 07945820516 07945820517 07945820518 07945820519 07945820520 07945820521 PSR033FS0450 PSR033FS0500 PSR033FS0550 PSR033FS0630 PSR033FS0700 PSR033FS0800 PSR033FS0900 PSR033FS1000 PSR033FS1100 PSR033FS1250 PSR033FS1400 PSR033FS1500 PSR033FS1600 PSR033FS1800 PSR033FS2000 PSR033FS0450Z PSR033FS0500Z PSR033FS0550Z PSR033FS0630Z PSR033FS0700Z PSR033FS0800Z PSR033FS0900Z PSR033FS1000Z PSR033FS1100Z PSR033FS1250Z PSR033FS1400Z PSR033FS1500Z PSR033FS1600Z PSR033FS1800Z PSR033FS2000Z 07945822164 07945820522 07945820523 07945820524 07945820525 07945820526 07945820527 07945820528 07945820529 07945820530 07945820531 07945820532 07945820533 07945820534 07945820535 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box 3 Pcs/Box CASE SIZE 4 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Ordering Information (cont.) FLUSH END - METRIC THREAD FLUSH END - INCHES THREAD UPC CATALOG NUMBER ORDERING PART NUMBER UPC BOX QUANTITY PCS/BOX PSR070FL0050Z PSR070FL0063Z PSR070FL0080Z PSR070FL0100Z PSR070FL0125Z PSR070FL0160Z PSR070FL0200Z PSR070FL0250Z PSR070FL0280Z PSR070FL0315Z 07945820536 07945820537 07945820538 07945820539 07945820540 07945820541 07945820542 07945820543 07945820544 07945820545 PSR070FS0050 PSR070FS0063 PSR070FS0080 PSR070FS0100 PSR070FS0125 PSR070FS0160 PSR070FS0200 PSR070FS0250 PSR070FS0280 PSR070FS0315 PSR070FS0050Z PSR070FS0063Z PSR070FS0080Z PSR070FS0100Z PSR070FS0125Z PSR070FS0160Z PSR070FS0200Z PSR070FS0250Z PSR070FS0280Z PSR070FS0315Z 07945820546 07945820547 07945820548 07945820549 07945820550 07945820551 07945820552 07945820553 07945820554 07945820555 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 71 PSR071FL0160 PSR071FL0200 PSR071FL0250 PSR071FL0280 PSR071FL0315 PSR071FL0350 PSR071FL0400 PSR071FL0450 PSR071FL0160Z PSR071FL0200Z PSR071FL0250Z PSR071FL0280Z PSR071FL0315Z PSR071FL0350Z PSR071FL0400Z PSR071FL0450Z 07945820556 07945820557 07945820558 07945820573 07945820560 07945820561 07945820562 07945820563 PSR071FS0160 PSR071FS0200 PSR071FS0250 PSR071FS0280 PSR071FS0315 PSR071FS0350 PSR071FS0400 PSR071FS0450 PSR071FS0160Z PSR071FS0200Z PSR071FS0250Z PSR071FS0280Z PSR071FS0315Z PSR071FS0350Z PSR071FS0400Z PSR071FS0450Z 07945820564 07945820565 07945820566 07945820582 07945820568 07945820569 07945820570 07945820571 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 72 PSR072FL0250 PSR072FL0280 PSR072FL0315 PSR072FL0350 PSR072FL0400 PSR072FL0450 PSR072FL0500 PSR072FL0550 PSR072FL0630 PSR072FL0250Z PSR072FL0280Z PSR072FL0315Z PSR072FL0350Z PSR072FL0400Z PSR072FL0450Z PSR072FL0500Z PSR072FL0550Z PSR072FL0630Z 07945820572 07945820573 07945820574 07945820575 07945820576 07945820577 07945820578 07945820579 07945820580 PSR072FS0250 PSR072FS0280 PSR072FS0315 PSR072FS0350 PSR072FS0400 PSR072FS0450 PSR072FS0500 PSR072FS0550 PSR072FS0630 PSR072FS0250Z PSR072FS0280Z PSR072FS0315Z PSR072FS0350Z PSR072FS0400Z PSR072FS0450Z PSR072FS0500Z PSR072FS0550Z PSR072FS0630Z 07945820581 07945820582 07945820583 07945820584 07945820585 07945820586 07945820587 07945820588 07945820589 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 73 PSR073FL0315 PSR073FL0350 PSR073FL0400 PSR073FL0450 PSR073FL0500 PSR073FL0550 PSR073FL0630 PSR073FL0700 PSR073FL0315Z PSR073FL0350Z PSR073FL0400Z PSR073FL0450Z PSR073FL0500Z PSR073FL0550Z PSR073FL0630Z PSR073FL0700Z 07945820590 07945820591 07945820592 07945820593 07945820594 07945820595 07945820596 07945820597 PSR073FS0315 PSR073FS0350 PSR073FS0400 PSR073FS0450 PSR073FS0500 PSR073FS0550 PSR073FS0630 PSR073FS0700 PSR073FS0315Z PSR073FS0350Z PSR073FS0400Z PSR073FS0450Z PSR073FS0500Z PSR073FS0550Z PSR073FS0630Z PSR073FS0700Z 07945820602 07945820603 07945820604 07945820605 07945820606 07945820607 07945820608 07945820609 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box 2 Pcs/Box CASE SIZE CATALOG NUMBER ORDERING PART NUMBER 70 PSR070FL0050 PSR070FL0063 PSR070FL0080 PSR070FL0100 PSR070FL0125 PSR070FL0160 PSR070FL0200 PSR070FL0250 PSR070FL0280 PSR070FL0315 5 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products ENSIONS MM (IN) F G FL METRIC THREAD FS INCHES THREAD POWR-SPEED(R) Fuse 7) 47.4 (1.86) 0) 48.2 (1.90) RECOMMENDED TORQUE 1/4" TERMIN 76.4 (3.01) PSR UNC-2B SERIES M8x1.25 HIGH-SPEED5/16"-18 SQUARE BODY 13-20 Nm 84.9 (3.34) Dimensions M8x1.25 5/16"-18 UNC-2B 13-20 Nm 1) 48.8 (1.92) 93.4 (3.68) M10x1.5 3/8"-16 UNC-2B 26-35 Nm 8) 49.2 (1.94) 106.9 (4.21) M12x1.75 1/2"-13 UNC-2B 45-55 Nm 0) 741.4 (2.81) 76.4 (3.01) M8x1.25 FL/FS 5/16"-18 UNC-2B 13-20 Nm 9) 72.2 (2.84) 84.9 (3.34) M8x1.25 5/16"-18 UNC-2B 13-20 Nm 1) 72.8 (2.87) 93.4 (3.68) M10x1.5 3/8"-16 UNC-2B 26-35 Nm 8) 73.2 (2.88) 106.9 (4.21) E M12x1.75 1/2"-13 UNC-2B D B 45-55 Nm M4x0.7 THRE 10.00 (.39 STUD LENG G C F A 1/4" QC TERMINAL VISUAL INDICATOR M4x0.7 THREAD 10.00 (.394) STUD LENGTH DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE CPK DIMENSIONS IN MM (IN) F A CASE SIZE A B C D E F G FL METRIC THREAD FS INCHES THREAD CP DENOTES A CHARACTERISTIC THAT PROVIDES AN INDI OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUR 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. RECOMMENDED TORQUE 30 50.0 (1.97) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.67) 47.4 (1.86) 76.4 (3.01) M8 x 1.25 5/16"-18 MATL SPEC UNC 2B 31 50.0 (1.97) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.8) 48.2 (1.90) 84.9 (3.34) M8 x 1.25 5/16"-18 UNC 2B DRW 32 51.0 (2.01) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 48.8 (1.92) 93.4 (3.68) M10 x 1.5 33 51.0 (2.01) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 49.2 (1.94) 106.9 (4.21) M12 x 1.75 1/2"-13 UNC 2B 3RD ANGLE 45-55 Nm 70 74.0 (2.91) 43.0 (1.69) 43.0 (1.69) 49.0 (1.93) 17.0 (0.67) 71.4 (2.81) 5/16"-18 UNC 2B 13-20 Nm 76.4 (3.01) M8 x 1.25 71 74.0 (2.91) 51.5 (2.03) 51.5 (2.03) 57.5 (2.26) 20.0 (0.79) 72.2 (2.84) 84.9 (3.34) M8 x 1.25 72 75.0 (2.95) 60.0 (2.36) 60.0 (2.36) 66.0 (2.60) 23.0 (0.91) 72.8 (2.87) 93.4 (3.68) M10 x 1.5 73 75.0 (2.95) 73.5 (2.89) 73.5 (2.89) 79.5 (3.13) 30.0 (1.18) 73.2 (2.88) 106.9 (4.21) M12 x 1.75 6 of 21 myork DATE 13-20 Nm FINISH 13-20 Nm SCALE 1/30/2017 FIN NTS UNLESSUNC OTHERWISE ARE IN MILLIMETERS, D 3/8"-16 2B SPECIFIED, 26-35DIMENSIONS Nm BRACKETS [ ] ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATIN TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1 PROJECTION TITLE 5/16"-18 UNC 2B PSR SERIES OUTLINE 13-20 Nm (R) 3/8"-16 Littelfuse UNC 2B 26-35 NmREVISION CHICAGO, ILLINOIS 60631 1/2"-13 UNC 2B 45-55 Nm 5 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products DRWG NO. PSR SERIE POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (30 Case Size) 100 90 80 70 60 50 40 30 30 20 20 10 9 8 7 6 5 4 - 40A - 50A - 63A 3 - 80A 2 VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS 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 90 80 70 60 50 40 30 20 10 100 90 80 70 60 50 40 - 100A - 125A 1 0.9 0.8 0.7 0.6 0.5 0.4 - 160A - 200A - 250A 0.3 - 315A 0.2 - 350A - 400A 0.1 0.09 0.08 0.07 0.06 0.05 0.04 - 450A - 500A - 550A 0.03 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 0.0001 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 90 80 70 60 50 40 30 20 10 PROSPECTIVE R.M.S CURRENT IN AMPERE TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: * DC Minimum Breaking Capacity = 9 x In BASIS FOR DATA: FUSE CATALOG NUMBER: PSR30 40A - 550A LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL 03/21/2017 DATE: B REVISION: DRAWING NO.: SHEET 2 OF 2 FCC01-PSR30 - THIS DATA IS GENERATED IN EXCEL - 7 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (31 Case Size) 100 90 80 70 60 50 40 30 30 20 20 10 9 8 7 6 5 4 10 9 8 7 6 5 4 - 200A - 250A - 315A 3 3 - 350A 2 VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 100 90 80 70 60 50 40 2 - 400A - 450A 1 0.9 0.8 0.7 0.6 0.5 0.4 1 0.9 0.8 0.7 0.6 0.5 0.4 - 500A - 550A - 630A 0.3 0.3 - 700A 0.2 0.2 - 800A 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 0.0001 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 TEST VOLTAGE: * DC Minimum Breaking Capacity = 9 x In TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR31 200A - 800A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL 09/29/2017 DATE: A REVISION: DRAWING NO.: SHEET 2 OF 2 FCC01-PSR31 - THIS DATA IS GENERATED IN EXCEL - 8 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (32 Case Size) 100 90 80 70 60 50 40 30 30 20 20 10 9 8 7 6 5 4 10 9 8 7 6 5 4 - 400A - 450A - 500A 3 3 - 550A 2 VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 100 90 80 70 60 50 40 2 - 630A - 700A 1 0.9 0.8 0.7 0.6 0.5 0.4 - 800A - 900A - 1000A 0.3 - 1100A 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 0.0001 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 TEST VOLTAGE: * DC Minimum Breaking Capacity = 9 x In TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR32 400A - 1100A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL 03/21/2017 DATE: B REVISION: DRAWING NO.: SHEET 2 OF 2 FCC01-PSR32 - THIS DATA IS GENERATED IN EXCEL - 9 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (33 Case Size) 100 90 80 70 60 50 40 30 30 20 20 10 9 8 7 6 5 4 10 9 8 7 6 5 4 - 450A - 450A - 500A 3 3 - 630A 2 VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS 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 90 80 70 60 50 40 2 - 700A - 800A 1 0.9 0.8 0.7 0.6 0.5 0.4 1 0.9 0.8 0.7 0.6 0.5 0.4 - 900A - 1000A - 1100A 0.3 0.3 - 1250A 0.2 0.2 - 1400A - 1500A 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.1 0.09 0.08 0.07 0.06 0.05 0.04 - 1600A - 1800A - 2000A 0.03 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 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 PROSPECTIVE R.M.S CURRENT IN AMPERE TEST VOLTAGE: * DC Minimum Breaking Capacity = 9 x In TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR33 450A - 2000A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL 09/29/2017 DATE: A REVISION: DRAWING NO.: SHEET 2 OF 2 FCC01-PSR33 - THIS DATA IS GENERATED IN EXCEL - 10 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (70 Case Size) 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 90 80 70 60 50 40 30 20 10 100 90 80 70 60 50 40 100 90 80 70 60 50 40 30 30 - 315A 20 20 - 280A 10 9 8 7 6 5 4 - 250A - 160A 10 9 8 7 6 5 4 3 - 125A 3 2 - 100A 2 - 200A VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS - 80A 1 0.9 0.8 0.7 0.6 0.5 0.4 1 0.9 0.8 0.7 0.6 0.5 0.4 - 63A - 50A 0.3 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 0.0001 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 90 80 70 60 50 40 30 20 10 PROSPECTIVE R.M.S CURRENT IN AMPERE TEST VOLTAGE: * DC Minimum Breaking Capacity = 9 x In TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR070 50A - 315A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL 04/13/2018 DATE: REVISION: A DRAWING NO.: SHEET 2 OF 2 FCC01-PSR70 - THIS DATA IS GENERATED IN EXCEL - 11 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (71 Case Size) 100 90 80 70 60 50 40 30 30 20 20 10 9 8 7 6 5 4 10 9 8 7 6 5 4 - 160A - 200A - 250A 3 3 - 280A 2 VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 100 90 80 70 60 50 40 2 - 315A - 350A 1 0.9 0.8 0.7 0.6 0.5 0.4 1 0.9 0.8 0.7 0.6 0.5 0.4 - 400A - 450A 0.3 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 0.0001 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 TEST VOLTAGE: * DC Minimum Breaking Capacity = 9 x In TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR071 160A - 450A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL 03/21/2017 DATE: REVISION: C DRAWING NO.: SHEET 2 OF 2 FCC01-PSR71 - THIS DATA IS GENERATED IN EXCEL - 12 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (72 Case Size) 100 90 80 70 60 50 40 30 30 20 20 10 9 8 7 6 5 4 10 9 8 7 6 5 4 - 630A - 550A - 500A 3 3 - 450A 2 VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 100 90 80 70 60 50 40 2 - 400A - 350A 1 0.9 0.8 0.7 0.6 0.5 0.4 1 0.9 0.8 0.7 0.6 0.5 0.4 - 315A - 280A - 250A 0.3 0.3 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 0.0001 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 TEST VOLTAGE: * DC Minimum Breaking Capacity = 9 x In TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR072 250A - 630A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL 03/21/2017 DATE: REVISION: C DRAWING NO.: SHEET 2 OF 2 FCC01-PSR72 - THIS DATA IS GENERATED IN EXCEL - 13 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Time Current Curve (73 Case Size) 100000 90000 80000 70000 60000 50000 40000 30000 20000 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 900 800 700 600 500 400 300 200 100 100 90 80 70 60 50 40 100 90 80 70 60 50 40 30 30 20 20 10 9 8 7 6 5 4 10 9 8 7 6 5 4 3 3 2 2 VIRTUAL MELTING (PRE-ARCING) TIME IN SECONDS - 700A 1 0.9 0.8 0.7 0.6 0.5 0.4 - 630A - 550A - 500A 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 - 450A 0.3 0.2 - 400A 0.2 - 350A 0.1 0.09 0.08 0.07 0.06 0.05 0.04 - 315A 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.03 0.02 0.02 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.003 0.002 0.002 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.001 0.0009 0.0008 0.0007 0.0006 0.0005 0.0004 0.0003 0.0003 0.0002 0.0002 0.0001 0.0001 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 TEST VOLTAGE: * DC Minimum Breaking Capacity = 9 x In TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR073 315A - 700A BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TIME CURRENT CHARACTERISTIC CURVES DRAWN BY: LLL DATE: 04/13/2018 REVISION: A DRAWING NO.: SHEET 2 OF 2 FCC01-PSR73 - THIS DATA IS GENERATED IN EXCEL - 14 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Peak Let-Thru Curve (30 Case Size) 100,000 B 550A 500A 450A 400A 350A 315A - PEAK LET- THRU IN AMPERES 250A 200A - 10,000 160A 125A 100A 80A 63A 50A 40A - 1,000 A 100 100 1,000 10,000 100,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES PSR30 40A-550A FCC05-PSR30 PEAK LET-THRU CHARACTERISTIC CURVES - DATA GENERATED IN EXCEL - Peak Let-Thru Curve (31 Case Size) 100,000 B 800A 700A 630A 550A - PEAK LET- THRU IN AMPERES 500A 450A - 10,000 400A 350A 315A 250A 200A - 1,000 A 100 200 2,000 20,000 200,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES PSR31 200A-800A PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR31 - DATA GENERATED IN EXCEL - 15 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Peak Let-Thru Curve (32 Case Size) PEAK LET- THRU IN AMPERES 200,000 B 1100A 1000A 900A 800A - 20,000 700A 630A 550A 500A 450A 400A - 2,000 A 200 2,000 20,000 200,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES PSR032 400A-1100A Peak Let-Thru Curve (33 Case Size)PEAK LET-THRU CHARACTERISTIC CURVES FCC05-PSR32 - DATA GENERATED IN EXCEL - 80,000 B 2000A 1800A 1600A 1500A 1400A 1250A - PEAK LET- THRU IN AMPERES 1100A 1000A 900A 800A 700A 630A - 8,000 500A 450A 400A - 800 A 200 2,000 20,000 200,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES PSR33 400A - 2000A PEAK LET-THRU CHARACTERISTIC CURVES - DATA GENERATED IN EXCEL - 16 of 21 FCC05-PSR33 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Peak Let-Thru Curve (70 Case Size) 100,000 B 315A 280A 250A 200A - PEAK LET- THRU IN AMPERES 160A 125A - 10,000 100A 80A 63A 50A - 1,000 A 100 100 1,000 10,000 100,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES FCC05-PSR70 (A) PEAK LET-THRU CHARACTERISTIC CURVES PSR070 50A - 315A - DATA GENERATED IN EXCEL - Peak Let-Thru Curve (71 Case Size) PEAK LET- THRU IN AMPERES 100,000 B 450A 400A 350A 315A 280A - 10,000 250A 200A 160A - 1,000 A 100 1,000 10,000 100,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES PSR071 160A - 450A PEAK LET-THRU CHARACTERISTIC CURVES - DATA GENERATED IN EXCEL - 17 of 21 FCC05-PSR71(D) littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Peak Let-Thru Curve (72 Case Size) 100,000 B 630A 550A 500A 450A 400A 350A - PEAK LET- THRU IN AMPERES 315A 280A 250A - 10,000 A 1,000 1,000 10,000 100,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES PSR072 250A - 630A Peak Let-Thru Curve (73 Case Size) 100,000 FCC05-PSR72 (C) PEAK LET-THRU CHARACTERISTIC CURVES - DATA GENERATED IN EXCEL - B 700A 630A 550A 500A 450A 400A - PEAK LET- THRU IN AMPERES 350A 315A - 10,000 A 1,000 1,000 10,000 100,000 AVAILABLE FAULT CURRENT SYMMETRICAL R.M.S. AMPERES PSR073 315A - 700A PEAK LET-THRU CHARACTERISTIC CURVES - DATA GENERATED IN EXCEL - 18 of 21 FCC05-PSR73 (A) littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Total Clearing I2t Correction Factor Curve Total Clearing I2t Correction Factor Curve Case Size (30, 31, 32 and 33) Case Size (70, 71, 72, and 73) 1.1 1.1 1 1 0.9 0.9 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 600V 690V - TOTAL CLEARING I2t CORRECTION FACTOR 0.9 0.8 TOTAL CLEARING I2t CORRECTION FACTOR 1400 1200 1000 550V - 0.9 800 1 600 1.1 1.0 400 200 800 700 600 500 400 300 200 100 1.1 1400 CHICAGO, IL. USA 1200 Peak Arc Voltage Curve I2T VARIATION CURVES Case Size (30, 31, 32 and 33) FUSE CATALOG NUMBER: PSR 1250V BASIS FOR DATA: DRAWN BY: LLL 03/23/2017 DATE: A REVISION: DRAWING NO.: TIME CONSTANT/POWER FACTOR: TEST VOLTAGE: 200V - 1250V PSR 550V - 690V LITTELFUSE, INC. 1000 FUSE CATALOG NUMBER: BASIS FOR DATA: 800 TIME CONSTANT/POWER FACTOR: 600 400 200 800 700 600 500 400 300 200 100 OPERATING VOLTAGE IN VOLTS OPERATING VOLTAGE IN VOLTS TEST VOLTAGE: 100V - 690V DRAWN BY: LLL 03/23/2017 DATE: A REVISION: LITTELFUSE, INC. Peak Arc Voltage Curve I2T VARIATION CURVES CHICAGO, IL. USA FCC07-PSR SHEET 2 OF 3 DRAWING NO.: Case Size (70, 71, 72, and 73) - THIS DATA IS GENERATED IN EXCEL - FCC07-PSR SHEET 3 OF 3 - THIS DATA IS GENERATED IN EXCEL - 1400 2400 2300 1300 2200 1200 2100 PEAK ARC VOLTAGE IN VOLT PEAK ARC VOLTAGE IN VOLT 2000 1100 1000 900 1900 1800 1700 1600 1500 800 1400 700 1300 600 1200 100 200 300 400 500 600 700 500 600 TEST VOLTAGE: 100V-690V TIME CONSTANT/POWER FACTOR: TEST VOLTAGE: 500V-1300V FUSE CATALOG NUMBER: PSR30 L70S 35-800A - PSR33 BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA - THIS DATA IS GENERATED IN EXCEL - DRAWING NO.: 800 900 1000 FCC09-PSR FCC0- TIME CONSTANT/POWER FACTOR: 1100 1200 1300 FUSE CATALOG NUMBER: PSR71 L70S 35-800A - PSR72 BASIS FOR DATA: LITTELFUSE, INC. DRAWN BY: LLL DATE: 01/26/2015 03/23/2017 REVISION: A MAX ARC VOLTAGE ARC VOLTAGE VARIATION CURVE 700 OPERATING VOLTAGE IN VOLTS OPERATING VOLTAGE IN VOLTS CHICAGO, IL. USA SHEET 32OF OF33 19 of 21 DRAWN BY: LLL 01/26/2015 01/23/2015 DATE: A REVISION: littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products MAX ARC VOLTAGE ARC VOLTAGE VARIATION CURVE DRAWING NO.: - THIS DATA IS GENERATED IN EXCEL - FCC09-PSR FCC0- SHEET 33OF OF33 POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Temperature Derating Curve Watts Loss Correction Factor Curve 100 90 80 70 60 50 30% 40 30 1 1 20% 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 0.5 0.5 0.4 0.4 0.3 0.3 0.2 0.2 0.1 0.1 10% 0 0 10% 30% 40% 50% -60C -76F -40C -40F -20C -4F 0C 32F 20C 68F 40C 104F 60C 140F 80C 176F 100C 212F 120C 248F PERCENT OF DOWNRATING 20% WATTS LOSS CORRECTION FACTOR PERCENT OF UPRATING (Temperature of Air Immediately Surrounding Fuse) 140C 284F 100 90 80 70 60 50 40 30 AMBIENT TEMPERATURE PERCENT OF RATED CURRENT(%) TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: TEST VOLTAGE: PSR Series BASIS FOR DATA: LITTELFUSE, INC. CHICAGO, IL. USA TEMPERATURE RE-RATING CURVE DRAWN BY: LLL 04/04/2017 DATE: A REVISION: DRAWING NO.: FCC11-PSR TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: PSR35-800A Series L50S BASIS FOR DATA: DRAWN BY: LLL 01/26/2015 03/20/2017 DATE: A REVISION: LITTELFUSE, INC. CHICAGO, IL. USA DERATINGI2T CURVE CORRECTION - WATTS LOSS FACTOR CORRECTION SHEET 2 OF 2 DRAWING NO.: FCC08-PSR FCC0- SHEET 2 3 OF 2 3 - THIS DATA IS GENERATED IN EXCEL - - THIS DATA IS GENERATED IN EXCEL - 20 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products POWR-SPEED(R) Fuse PSR SERIES HIGH-SPEED SQUARE BODY Microswitch [Dimensions in millimeters] MS3H1000C Document Number: OL-MS3H1000C Rev. B MS7H1500C Document Number: OL-MS7H1500C Rev. B 10.0 10.0 33.4 33.4 33.4 33.4 MS3H1000C MS3H1000C 32.3 32.3 10.0 10.0 33.432.3 32.3 33.4 33.4 33.4 MS7H1500C MS7H1500C 32.3 32.3 32.3 32.3 63.0 63.0 42.0 42.0 39.0 42.0 42.0 39.0 1000 30, 31, 32, 33 1500 70, 71, 72, 73 4V / 1mA Standard MS7H1500C* NO-NC CURRENT NON-INDUCTIVE INDUCTIVE LOAD LOAD (DC L/R=25ms) 30V 110V 250V 30V 110V 250V AC (50/60 Hz) 5A 5A 5A 5A 5A 4A DC 5A 0.6A 0.3A 3A 0.2A 0.1A AC (50/60 Hz) 5A 5A 5A 5A 5A 4A DC 5A 0.6A 0.3A 3A 0.2A 0.1A PACK QUANTITY Standard NO-NC INTERRUPTING RATING RELATIVE HUMIDITY MS3H1000C* INSULATION POSITIVE FUSE VOLTAGE OPERATING CASE RATING MIN VOLTAGE / SIZE (VAC) MIN CURRENT OPERATING TEMP. CATALOG NUMBER/ ORDERING NUMBER INDICATING STYLE Electrical Characteristics -60C to +125 C 95% 3 Pcs/Bag -60C to +125 C 95% 3 Pcs/Bag * Contains internal microswitch (Part Number: U83161.8), listed under UL File: E42016. 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. 21 of 21 littelfuse.com/psr Rev: 110118 (c) 2018 Littelfuse POWR-GARD(R) Products