Littelfuse.com/PSR
© 2022 Littelfuse, Inc.
Rev: 012422
2 of 20
POWR-SPEED
®
Fuse
PSR SERIES HIGH-SPEED SQUARE BODY
Electrical Characteristics
CASE
SIZE
CATALOG NUMBER
AMPERE
RATING (A)
VOLTAGE
RATING (V)
INTERRUPTING
RATING
MELTING
(PRE-ARC)
I
2
T (A
2
S)
TOTAL CLEARING
I
2
T (A
2
S) AT
RATED VOLTAGE
WATT LOSS
AT 100 %
RATED
CURRENT
(W)
AGENCY
CERTIFICATION
BOLTED SHORT
BLADE (US)
BOLTED LONG
BLADE (UL)
AC
DC AC DC AC DC cURus
IEC* UL
30
PSR030US0040 PSR030UL0040 40 690 700 600 200 kA 150 kA 76 280 260 13
•
PSR030US0050 PSR030UL0050 50 690 700 600 200 kA 150 kA 110 598 384 16 •
PSR030US0063 PSR030UL0063 63 690 700 600 200 kA 150 kA 176 1023 640 20 •
PSR030US0080 PSR030UL0080 80 690 700 600 200 kA 150 kA 304 1728 1252 24 •
PSR030US0100 PSR030UL0100 100 690 700 600 200 kA 150 kA 437 2835 1575 28 •
PSR030US0125 PSR030UL0125 125 690 700 600 200 kA 150 kA 707 4684 2783 37 •
PSR030US0160 PSR030UL0160 160 690 700 600 200 kA 150 kA 1359 9114 5507 40 •
PSR030US0200 PSR030UL0200 200 690 700 600 200 kA 150 kA 3012 15169 14700 40 •
PSR030US0250 PSR030UL0250 250 690 700 600 200 kA 150 kA 4668 29952 20833 52 •
PSR030US0315 PSR030UL0315 315 690 700 600 200 kA 150 kA 7131 61830 31600 64 •
PSR030US0350 PSR030UL0350 350 690 700 600 200 kA 150 kA 12007 85320 49273 66 •
PSR030US0400 PSR030UL0400 400 690 700 600 200 kA 150 kA 16209 114750 63367 78 •
PSR030US0450 PSR030UL0450 450 690 700 600 200 kA 150 kA 23133 160110 93533 80 •
PSR030US0500 PSR030UL0500 500 690 700 600 200 kA 150 kA 31429 225180 137333 84 •
PSR030US0550 PSR030UL0550 550 690 700 600 200 kA 150 kA 44323 268920 145400 85 •
PSR030US0630 PSR030UL0630 630 690 700 550 200 kA 150 kA 57404 480010 267800 91 •
31
PSR031US0200 PSR031UL0200 200 690 700 600 200 kA 150 kA 1965 17334 16188 49 •
PSR031US0250 PSR031UL0250 250 690 700 600 200 kA 150 kA 3789 35343 21080 52 •
PSR031US0315 PSR031UL0315 315 690 700 600 200 kA 150 kA 6862 59130 30694 63 •
PSR031US0350 PSR031UL0350 350 690 700 600 200 kA 150 kA 9523 76140 40996 67 •
PSR031US0400 PSR031UL0400 400 690 700 600 200 kA 150 kA 14770 124335 64359 70 •
PSR031US0450 PSR031UL0450 450 690 700 600 200 kA 150 kA 22457 178200 97444 70 •
PSR031US0500 PSR031UL0500 500 690 700 600 200 kA 150 kA 29751 251505 125935 74 •
PSR031US0550 PSR031UL0550 550 690 700 600 200 kA 150 kA 42056 289170 171845 86 •
PSR031US0630 PSR031UL0630 630 690 700 600 200 kA 150 kA 73513 507465 276315 87 •
PSR031US0700 PSR031UL0700 700 690 700 600 200 kA 150 kA 98187 601425 337260 93 •
PSR031US0800 PSR031UL0800 800 690 700 600 200 kA 150 kA 137208 848880 502815 107 •
PSR031US0900 PSR031UL0900 900 550 600 550 200 kA 150 kA 155163 945100 631820 126 •
32
PSR032US0400 PSR032UL0400 400 690 700 600 200 kA 150 kA 11104 79650 44533 87 •
PSR032US0450 PSR032UL0450 450 690 700 600 200 kA 150 kA 15535 116100 65463 88 •
PSR032US0500 PSR032UL0500 500 690 700 600 200 kA 150 kA 21573 161460 88277 94 •
PSR032US0550 PSR032UL0550 550 690 700 600 200 kA 150 kA 26327 177660 107960 106 •
PSR032US0630 PSR032UL0630 630 690 700 600 200 kA 150 kA 34790 234900 156963 114 •
PSR032US0700 PSR032UL0700 700 690 700 600 200 kA 150 kA 51191 291870 209287 127 •
PSR032US0800 PSR032UL0800 800 690 700 600 200 kA 150 kA 60125 472770 249000 152 •
PSR032US0900 PSR032UL0900 900 690 700 600 200 kA 150 kA 107785 764100 404000 145 •
PSR032US1000 PSR032UL1000 1000 690 700 600 200 kA 150 kA 190102 933120 672333 149 •
PSR032US1100 PSR032UL1100 1100 690 700 600 200 kA 150 kA 225379 1247400 744000 161 •
PSR032US1250 PSR032UL1250 1250 550** 600** 550** 200 kA 150 kA 336661 1114994 1197000 166 •
PSR032US1400 PSR032UL1400 1400 450 500 450 200 kA 150 k A 551749 1611639 1865400 184 •
PSR032US1500 PSR032UL1500 1500 450 500 450 200 kA 150 kA 673360 2045907 1735500 192 •
33
PSR033US0450 PSR033UL0450 450 690 700 600 200 kA 150 kA 13600 106380 58947 107 •
PSR033US0500 PSR033UL0500 500 690 700 600 200 kA 150 kA 16434 140400 77846 107 •
PSR033US0550 PSR033UL0550 550 690 700 600 200 kA 150 kA 23314 187650 100461 111 •
PSR033US0630 PSR033UL0630 630 690 700 600 200 kA 150 kA 38727 285930 142437 120 •
PSR033US0700 PSR033UL0700 700 690 700 600 200 kA 150 kA 56763 392580 209863 116 •
PSR033US0800 PSR033UL0800 800 690 700 600 200 kA 150 kA 84691 575505 348500 122 •
PSR033US0900 PSR033UL0900 900 690 700 600 200 kA 150 kA 122619 740340 4 51177 138 •
PSR033US1000 PSR033UL1000 1000 690 700 600 200 kA 150 kA 222350 1170450 787750 138 •
PSR033US1100 PSR033UL1100 1100 690 700 600 200 kA 150 kA 310824 1568700 821400 138 •
PSR033US1250 PSR033UL1250 1250 690 700 500 200 kA 150 kA 476902 2403000 1674333 145 •
PSR033US1400 PSR033UL1400 1400 690 700 500 200 kA 150 kA 583552 2920050 1979750 173 •
PSR033US1500 PSR033UL1500 1500 600 650 500 200 kA 150 kA 674538 2433200 1996733 182 •
PSR033US1600 PSR033UL1600 1600 600 650 500 200 kA 150 k A 779948 2942800 2301633 208 •
PSR033US1800 PSR033UL1800 1800 600 650 500 200 kA 150 kA 952196 3785040 2724180 260 •
PSR033US2000 PSR033UL2000 2000 550 600 480 200 kA 150 kA 1234315 4131600 3755180 264 •
PSR033US2250 PSR033UL2250 2250 500 550 450 200 kA 150 k A 1236000 4459651 3859500 349 •
* Electrical compliance to IEC 60269-4
** Littelfuse self-certied