1 of 9 300/600 vac ? fast-acting ? 1-1200 a description jlln / jlls fuses are less than 1 / 3 the size of comparable class r fuses and are typically used for short circuit protection of drives and surge sensitive components. when rated in accordance with the nec ? , jlln / jlls fuses provide fast-acting overload and short circuit protection for non-inductive circuits and equipment. features/benefts ? extremely current-limiting ? compact design ? 200 ka interrupting rating ? jlln 35-60a available with pcb mounts applications ? variable speed drive protection ? power conversion devices (inverters, rectifers, ups) ? power supplies and power distribution units ? compact mains switches ampere ratings 1 25 70 175 450 1100 2 30 80 200 500 1200 3 35 90 225 600 6 40 100 250 700 10 45 110 300 800 15 50 125 350 900* 20 60 150 400 1000 *j l l s o nl y web resources download tc curves, cad drawings and other technical information: littelfuse.com/jlln littelfuse.com/jlls recommended fuse holders lft30 series lft60 series lscr series for 70-800 a ordering information part numbering system series amp pack size plating suffix mount suffix catalog number ordering number jlls 6 t C C jlls006 jlls006.t jlln 35 t C xl ? jlln035l jlln035.txl jlln 40 t C xlse ? jlln040lse jlln040.txlse jlln 100 v xp C jlln100p jlln100.vxp ? option is available for jlln 35-60 a only. premium plating is standard jlln xxxx v package quantity series options amperage t = 10 (1-60 a) v = 5 (70-100 a) x = 1 (110-1200 a) specifcations jlln voltage ratings ac: 300 v dc: 160 v (1 - 60 a) 125 v (70 - 1200 a) ampere range 1 C 1200 a interrupting ratings ac: 200 ka rms symmetrical dc: 50ka (1 - 30a) 20ka (35 - 1200a) approvals ac: ul standard 248-15, class t ul listed (file: e81895): 1 C 1200 a csa certifed (file: lr29862): 1 C 600 a dc: ul listed (file: e81895): 1 C 1200 a material 1-30 a: melamine body, bronze caps 35-1200 a: melamine body, copper caps environmental rohs compliant jlls voltage ratings ac: 600 v dc: 300 v ampere range 1 C 1200 a interrupting ratings ac: 200 ka rms symmetrical dc: 20ka approvals ac: ul standard 248-15, class t ul listed (file: e81895): 1 C 1200 a csa certifed (file: lr29862): 1 C 600 a dc: littelfuse self-certifed material 1-30 a: melamine body, copper caps 35-60 a: melamine body, bronze caps 70-1200 a: melamine body, copper caps environmental rohs compliant blank = standard non-plated xp = premium plated xl = leaded ? xv = vertical mount ? xls = solder lead ? xlse = solder lead extended ? powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
2 of 9 solder jlln-xls leaded jlln-xl vertical mount jlln-xv pcb mounting options (jlln 35-60 a only) b c a f d f e a b c d g a c d fig. 1 fig. 2 fig. 3 amperes refer to fig. no. series dimensions inches ( mm ) a b c d e f g 1 C 30 1 jlln .875 (22.2) .281 (7.1) .406 (10.3) jlls 1.500 (38.1) .281 (7.1) .562 (14.3) 35 C 60 1 jlln .875 (22.2) .281 (7.1) .562 (14.3) 2 jlls 1.562 (39.7) .812 (20.6) .406 (10.3) .994 (25.2) .062 (1.6) 1.09 4 (27.8) 70 C 100 3 jlln 2.156 (54.8) 1.562 (39.7) .750 (19.1) .812 (20.6) .830 (21.1) .281 (7.1) .125 (3.2) jlls 2.953 (75.0) 2.352 (59.7) .750 (19.1) .828 (21.0) 1.625 (41.3) .281 (7.1) .125 (3.2) 110 C 200 3 jlln 2.437 (61.9) 1.687 (42.9) .875 (22.2) 1.062 (27.0) .830 (21.1) .343 (8.7) .187 (4.8) jlls 3.250 (82.6) 2.507 (63.7) .875 (22.2) 1.078 (27.4) 1.656 (42.1) .343 (8.7) .187 (4.8) 225 C 400 3 jlln 2.750 (69.9) 1.843 (46.8) 1.000 (25.4) 1.312 (33.3) .828 (21.0) .406 (10.3) .250 (6.4) jlls 3.625 (92.1) 2.718 (69.1) 1.000 (25.4) 1.593 (40.5) 1.712 (43.5) .406 (10.3) .250 (6.4) 450 C 600 3 jlln 3.0 62 (77.8) 2.031 (51.6) 1.250 (31.8) 1.593 (40.5) .875 (22.2) .484 (12.3) .312 (7.9) jlls 3.984 (101.2) 2.953 (75.0) 1.250 (31.8) 2.062 (52.4) 1.765 (44.8) .484 (12.3) .312 (7.9) 700 C 800 3 jlln 3.375 (85.7) 2.218 (56.4) 1.750 (44.5) 2.062 (52.4) .875 (22.2) .546 (13.9) .375 (9.5) jlls 4.328 (109.9) 3.171 (80.6) 1.750 (44.5) 2.500 (63.5) 1.8 60 (47.2) .546 (13.9) .375 (9.5) 900 C 1200 3 jlln 4.000 (101.6) 2.531 (64.3) 2.000 (50.8) 2.500 (63.5) 1.033 (26.2) .609 (15.5) .437 (11.1) jlls 5.271 (133.9) 3.801 (96.5) 2.000 (50.8) 2.625 (66.7) 2.303 (58.5) .609 (15.5) .437 (11.1) dimensions inches (mm) powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
3 of 9 c h i c a g o , i l l i n o i s 6 0 6 3 1 3 r d a n g l e p r o j e c t i o n 1 o l - j l l n 0 0 0 l s e l i t t e l f u s e ? r e v i s i o n d r w g n o . t i t l e a d r w d a t e gr a m s / p i e c e f i ni s h go o d w t m y o r k 1 / 1 7 / 2 0 1 8 m a t l s p e c f i ni s h u n l e s s o t h e r w i s e s p e c i f i e d , d i m e n s i o n s a r e i n m i l l i m e t e r s , d i m e n s i o n s i n b r a c k e t s [ ] a r e i n c h e s d i m e n s i o n i n g a n d d o n o t i n c l u d e p l a t i n g . t o l e r a n c i n g t o b e i n t e r p r e t e d i n a c c o r d a n c e w i t h a n s i y 1 4 . 5 m - 1 9 9 4 d e n o t e s c r i t i c a l c h a r a c t e r i s t i c s . d e n o t e s c p k d i m e n s i o n s , - m i n i m u m c p k v a l u e d e n o t e s a c h a r a c t e r i s t i c t h a t p r o v i d e s a n i n d i c a t i o n o f p r o c e s s p e r f o r m a n c e . p r o c e d u r e f o r m e a s u r e m e n t a n d t r a c k i n g t o b e d e f i n e d i n l i t t e l f u s e i n s p e c t i o n i n s t r u c t i o n s . d e n o t e s c p d i m e n s i o n s , - m i n i m u m c p v a l u e m u s t b e w i t h i n t h e d i m e n s i o n a l l i m i t a t i o n s s h o w n o n d r a w i n g a n d i n i t i a l l y l o c a t e d t o a l l o w f o r m a xi m u m t o o l l i f e . c p k ? c p s h e e t 1 o f 1 s c a l e j l l n - l s e o u t l i n e n t s r e v i s i o n r e v d a t e d e s c r i p t i o n 1 1 / 1 7 / 1 8 p r e l i m i n a r y d r a w i n g c r e a t e d m r y 1 5 . 4 2 [ 0 . 6 0 7 ] r e f 4 . 0 9 [ 0 . 1 6 1 ] r e f 4 . 7 5 [ 0 . 1 8 7 ] r e f 1 2 . 7 0 [ 0 . 5 0 0 ] r e f 1 4 . 2 2 [ 0 . 5 6 0 ] r e f 1 2 . 9 5 - 0 . 0 0 0 . 1 3 + 0 . 5 1 0 - 0 . 0 0 0 0 . 0 0 5 + [ ] 2 4 . 4 9 [ 0 . 9 6 4 ] m ax 2 1 . 8 4 [ 0 . 8 6 0 ] m i n 1 . 3 2 [ 0 . 0 5 2 ] r e f 4 . 1 9 - 0 . 0 0 0 . 1 3 + 0 . 1 6 5 - 0 . 0 0 0 0 . 0 0 5 + [ ] p a d l a y o u t 4 . 1 9 [ 0 . 1 6 5 ] r e f 2 2 . 2 8 [ 0 . 8 7 7 ] r e f 2 3 . 9 8 [ 0 . 9 4 4 ] r e f l e ad - f r e e s o l d e r i n g p r o f i l e : p r e - h e at : ab o v e 1 3 0 c f o r 7 5 s e c o n d s m ax . r e f l o w : 2 7 8 c f o r 8 s e c o n d s m ax . t i m e : 2 5 0 s e c o n d s m ax . m ax . t e m p : 2 8 0 c p r e l i m i n a r y pcb mounting options (cont.) (jlln 35-60 a only) c h i c a g o , i l l i n o i s 6 0 6 3 1 3 r d a n g l e p r o j e c t i o n 1 o l - j l l n 0 0 0 l s e l i t t e l f u s e ? r e v i s i o n d r w g n o . t i t l e a d r w d a t e gr a m s / p i e c e f i ni s h go o d w t m y o r k 1 / 1 7 / 2 0 1 8 m a t l s p e c f i ni s h u n l e s s o t h e r w i s e s p e c i f i e d , d i m e n s i o n s a r e i n m i l l i m e t e r s , d i m e n s i o n s i n b r a c k e t s [ ] a r e i n c h e s d i m e n s i o n i n g a n d d o n o t i n c l u d e p l a t i n g . t o l e r a n c i n g t o b e i n t e r p r e t e d i n a c c o r d a n c e w i t h a n s i y 1 4 . 5 m - 1 9 9 4 d e n o t e s c r i t i c a l c h a r a c t e r i s t i c s . d e n o t e s c p k d i m e n s i o n s , - m i n i m u m c p k v a l u e d e n o t e s a c h a r a c t e r i s t i c t h a t p r o v i d e s a n i n d i c a t i o n o f p r o c e s s p e r f o r m a n c e . p r o c e d u r e f o r m e a s u r e m e n t a n d t r a c k i n g t o b e d e f i n e d i n l i t t e l f u s e i n s p e c t i o n i n s t r u c t i o n s . d e n o t e s c p d i m e n s i o n s , - m i n i m u m c p v a l u e m u s t b e w i t h i n t h e d i m e n s i o n a l l i m i t a t i o n s s h o w n o n d r a w i n g a n d i n i t i a l l y l o c a t e d t o a l l o w f o r m a xi m u m t o o l l i f e . c p k ? c p s h e e t 1 o f 1 s c a l e j l l n - l s e o u t l i n e n t s r e v i s i o n r e v d a t e d e s c r i p t i o n 1 1 / 1 7 / 1 8 p r e l i m i n a r y d r a w i n g c r e a t e d m r y 1 5 . 4 2 [ 0 . 6 0 7 ] r e f 4 . 0 9 [ 0 . 1 6 1 ] r e f 4 . 7 5 [ 0 . 1 8 7 ] r e f 1 2 . 7 0 [ 0 . 5 0 0 ] r e f 1 4 . 2 2 [ 0 . 5 6 0 ] r e f 1 2 . 9 5 - 0 . 0 0 0 . 1 3 + 0 . 5 1 0 - 0 . 0 0 0 0 . 0 0 5 + [ ] 2 4 . 4 9 [ 0 . 9 6 4 ] m ax 2 1 . 8 4 [ 0 . 8 6 0 ] m i n 1 . 3 2 [ 0 . 0 5 2 ] r e f 4 . 1 9 - 0 . 0 0 0 . 1 3 + 0 . 1 6 5 - 0 . 0 0 0 0 . 0 0 5 + [ ] p a d l a y o u t 4 . 1 9 [ 0 . 1 6 5 ] r e f 2 2 . 2 8 [ 0 . 8 7 7 ] r e f 2 3 . 9 8 [ 0 . 9 4 4 ] r e f l e ad - f r e e s o l d e r i n g p r o f i l e : p r e - h e at : ab o v e 1 3 0 c f o r 7 5 s e c o n d s m ax . r e f l o w : 2 7 8 c f o r 8 s e c o n d s m ax . t i m e : 2 5 0 s e c o n d s m ax . m ax . t e m p : 2 8 0 c p r e l i m i n a r y c h i c a g o , i l l i n o i s 6 0 6 3 1 3 r d a n g l e p r o j e c t i o n 1 o l - j l l n 0 0 0 l s e l i t t e l f u s e ? r e v i s i o n d r w g n o . t i t l e a d r w d a t e gr a m s / p i e c e f i ni s h go o d w t m y o r k 1 / 1 7 / 2 0 1 8 m a t l s p e c f i ni s h u n l e s s o t h e r w i s e s p e c i f i e d , d i m e n s i o n s a r e i n m i l l i m e t e r s , d i m e n s i o n s i n b r a c k e t s [ ] a r e i n c h e s d i m e n s i o n i n g a n d d o n o t i n c l u d e p l a t i n g . t o l e r a n c i n g t o b e i n t e r p r e t e d i n a c c o r d a n c e w i t h a n s i y 1 4 . 5 m - 1 9 9 4 d e n o t e s c r i t i c a l c h a r a c t e r i s t i c s . d e n o t e s c p k d i m e n s i o n s , - m i n i m u m c p k v a l u e d e n o t e s a c h a r a c t e r i s t i c t h a t p r o v i d e s a n i n d i c a t i o n o f p r o c e s s p e r f o r m a n c e . p r o c e d u r e f o r m e a s u r e m e n t a n d t r a c k i n g t o b e d e f i n e d i n l i t t e l f u s e i n s p e c t i o n i n s t r u c t i o n s . d e n o t e s c p d i m e n s i o n s , - m i n i m u m c p v a l u e m u s t b e w i t h i n t h e d i m e n s i o n a l l i m i t a t i o n s s h o w n o n d r a w i n g a n d i n i t i a l l y l o c a t e d t o a l l o w f o r m a xi m u m t o o l l i f e . c p k ? c p s h e e t 1 o f 1 s c a l e j l l n - l s e o u t l i n e n t s r e v i s i o n r e v d a t e d e s c r i p t i o n 1 1 / 1 7 / 1 8 p r e l i m i n a r y d r a w i n g c r e a t e d m r y 1 5 . 4 2 [ 0 . 6 0 7 ] r e f 4 . 0 9 [ 0 . 1 6 1 ] r e f 4 . 7 5 [ 0 . 1 8 7 ] r e f 1 2 . 7 0 [ 0 . 5 0 0 ] r e f 1 4 . 2 2 [ 0 . 5 6 0 ] r e f 1 2 . 9 5 - 0 . 0 0 0 . 1 3 + 0 . 5 1 0 - 0 . 0 0 0 0 . 0 0 5 + [ ] 2 4 . 4 9 [ 0 . 9 6 4 ] m ax 2 1 . 8 4 [ 0 . 8 6 0 ] m i n 1 . 3 2 [ 0 . 0 5 2 ] r e f 4 . 1 9 - 0 . 0 0 0 . 1 3 + 0 . 1 6 5 - 0 . 0 0 0 0 . 0 0 5 + [ ] p a d l a y o u t 4 . 1 9 [ 0 . 1 6 5 ] r e f 2 2 . 2 8 [ 0 . 8 7 7 ] r e f 2 3 . 9 8 [ 0 . 9 4 4 ] r e f l e ad - f r e e s o l d e r i n g p r o f i l e : p r e - h e at : ab o v e 1 3 0 c f o r 7 5 s e c o n d s m ax . r e f l o w : 2 7 8 c f o r 8 s e c o n d s m ax . t i m e : 2 5 0 s e c o n d s m ax . m ax . t e m p : 2 8 0 c p r e l i m i n a r y solder jlln-xlse powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
4 of 9 - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 - 1a - 2a - 3a - 6a - 10a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 1/21/14 a 2 of 8 fcc01 - jllnp jllnp 1a - 1200a current in amperes time in seconds time current curve jlln (1-10a) - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 15a - 20a - 25a - 30a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 1/21/14 a 3 of 8 fcc01 - jllnp jllnp 1a - 1200a current in amperes time in seconds - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 35a - 40a - 45a - 50a - 60a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 1/21/14 a 4 of 8 fcc01 - jllnp jllnp 1a - 1200a current in amperes time in seconds - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 70a - 80a - 90a - 100a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 1/21/14 a 5 of 8 fcc01 - jllnp jllnp 1a - 1200a current in amperes time in seconds time current curve jlln (15-30a) time current curve jlln (35-60a) time current curve jlln (70-100a) powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
5 of 9 - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 110a - 125a - 150a - 175a - 200a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 1/21/14 a 6 of 8 fcc01 - jllnp jllnp 1a - 1200a current in amperes time in seconds - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 225a - 250a - 300a - 350a - 400a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 1/21/14 a 7 of 8 fcc01 - jllnp jllnp 1a - 1200a current in amperes time in seconds - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 450a - 500a - 600a - 700a - 800a - 1000a - 1100a - 1200a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 1/21/14 a 8 of 8 fcc01 - jllnp jllnp 1a - 1200a current in amperes time in seconds time current curve jlln (110-200a) time current curve jlln (225-400a) time current curve jlln (450-1200a) powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
6 of 9 - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 - 1a - 2a - 3a - 6a - 15a - 20a - 25a - 30a - 10a current in amperes time in seconds basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 01/21/14 a 2 of 8 fcc01 - jllsp jllsp 1a - 1200a time current curve jlls (1-30a) - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 35a - 40a - 45a - 50a - 60a current in amperes time in seconds basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 01/21/14 a 3 of 8 fcc01 - jllsp jllsp 1a - 1200a - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 70a - 80a - 90a - 100a current in amperes time in seconds basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 01/21/14 a 4 of 8 fcc01 - jllsp jllsp 1a - 1200a - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 110a - 125a - 150a - 175a - 200a current in amperes time in seconds basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 01/21/14 a 5 of 8 fcc01 - jllsp jllsp 1a - 1200a time current curve jlls (35-60a) time current curve jlls (70-100a) time current curve jlls (110-200a) powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
7 of 9 - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 225a - 250a - 300a - 350a - 400a current in amperes time in seconds basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 01/21/14 a 6 of 8 fcc01 - jllsp jllsp 1a - 1200a - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 450a - 500a - 600a current in amperes time in seconds basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 01/21/14 a 7 of 8 fcc01 - jllsp jllsp 1a - 1200a - data generated in excel - 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 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 0.01 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 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 - 700a - 800a - 900a - 1000a - 1100a - 1200a basis for data: test voltage: time constant/power factor: fuse catalog number: drawn by: date: revision: drawing no.: sheet time current characteristic curves littelfuse, inc. chicago, il. usa lll 01/21/14 a 8 of 8 fcc01 - jllsp jllsp 1a - 1200a current in amperes time in seconds time current curve jlls (225-400a) time current curve jlls (450-600a) time current curve jlls (700-1200a) powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
8 of 9 short circuit current* apparent rms symmetrical current for various fuse ratings 30 a 60 a 100 a 200 a 400 a 600 a 800 a 1200 a 5,000 700 775 1,100 1,650 3,500 4,000 5,000 5,000 10,000 900 1,000 1,400 2,100 4,400 5,100 6,750 8,250 15,000 1,000 1,100 1,600 2,400 5,000 5,900 7,75 0 10,000 20,000 1,100 1,250 1,800 2,700 5,500 6,500 8,750 11,000 25,000 1,230 1,300 1,950 2,900 6,000 7,000 9,500 12,000 30,000 1,300 1,475 2,050 3,100 6,400 7,500 10,000 12,500 35,000 1,330 1,575 2,150 3,300 6,750 7,75 0 10,500 13,500 40,000 1,430 1,600 2,300 3,500 7,000 8,000 11,000 14,000 50,000 1,500 1,750 2,400 3,700 7,500 8,750 12,000 15,000 60,000 1,700 1,900 2,700 4,000 8,000 9,500 12,500 16,000 80,000 1,850 2,100 2,800 4,400 9,000 10,500 14,000 17,500 100,000 2,000 2,250 3,150 4,800 9,750 11,500 15,000 18,500 150,000 2,300 2,600 3,600 5,500 11,000 13,000 17,500 22,000 200,000 2,600 2,800 3,900 6,000 12,000 14,500 19,500 24,000 *prospective rms symmetrical amperes short-circuit current note: data derived from peak let-thru curves - data generated in excel - 100 1,000 10,000 100,000 1,000,000 100 1,000 10,000 100,000 peak let - thru in amperes available fault current symmetrical r.m.s. amperes 1200a - 800a - 600a - 400a - 200a - 100a - 60a - 30a - basis for data: test voltage: 300v 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 01/21/2014 a 2 of 2 fcc05 - jllnp jllnp 30a - 1200a peak let-thru curve and current-limiting effects of jlln (300 v) fuses powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
9 of 9 class t C jlln / jlls series fuses short circuit current* apparent rms symmetrical current for various fuse ratings 30 a 60 a 100 a 200 a 400 a 600 a 800 a 1200 a 5,000 750 1,225 1,810 2,500 4,600 5,000 5,000 5,000 10,000 945 1,525 2,300 3,150 6,000 8,500 9,400 10,000 15,000 1,050 1,700 2,610 3,600 6,600 9,750 10,500 13,000 20,000 1,150 1,900 2,900 3,950 7, 25 0 10,500 11,000 14,750 25,000 1,300 2,050 3,100 4,250 8,000 11,500 12,500 15,500 30,000 1,375 2,150 3,300 4,500 8,250 12,000 13,750 16,500 35,000 1,400 2,250 3,500 4,750 8,500 13,000 14,000 17,000 40,000 1,425 2,400 3,650 4,950 8,700 14,000 14,750 18,000 50,000 1,600 2,450 3,900 5,350 9,500 14,500 16,000 20,000 60,000 1,650 2,625 4,150 5,650 10,000 15,500 17, 3 0 0 21,000 80,000 1,825 2,800 4,570 6,250 11,000 17,000 18,750 23,000 100,000 2,000 3,100 4,950 6,700 12,000 18,000 20,000 25,000 150,000 2,250 3,400 5,650 7,70 0 13,000 21,000 23,000 28,500 200,000 2,450 3,800 6,200 8,450 15,000 23,000 25,000 31,000 *prospective rms symmetrical amperes short-circuit current note: data derived from peak let-thru curves - data generated in excel - 100 1,000 10,000 100,000 1,000,000 100 1,000 10,000 100,000 peak let - thru in amperes available fault current symmetrical r.m.s. amperes 800a - 600a - 400a - 200a - 100a - 60a - 30a - basis for data: test voltage: 600v 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 01/28/2014 a 2 of 3 fcc05 - jlls jlls 30a - 1200a - data generated in excel - 1,000 10,000 100,000 1,000,000 1,000 10,000 100,000 peak let - thru in amperes available fault current symmetrical r.m.s. amperes 1200a - 1100a - 1000a - 900a - basis for data: test voltage: 600v 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 01/28/2014 a 3 of 3 fcc05 - jlls jlls 30a - 1200a peak let-thru curve and current-limiting effects of jlls (600 v) fuses 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. powr-gard ? fuse datasheet ? 2018 littelfuse powr-gard ? products rev: 2-b-051718 littelfuse.com class t C jlln / jlls series fuses
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