Littelfuse JLLS50 Catalog Page
POWR-GARD® Fuse Datasheet
UL Class T
JLLN/JLLS CLASS T FUSES
300/600 VAC • Fast-Acting • 1-600 Amperes
Specifications
Voltage Ratings: AC: 300 V (JLLN) ; 600 V (JLLS)
DC: 125 V (JLLN 1 – 30 A)
160 V (JLLN 35 – 60 A)
125 V (JLLN 70 – 100 A)
125 V (JLLN 110 – 1200 A)
300 V (JLLS)
Interrupting Ratings: AC: 200 k A rms symmetrical
DC: 20 kA
(JLLN 70 – 100 A)
(JLLN 110 – 1200 A)
(JLLS 1 – 1200 A)
Ampere Range: 1 – 1200 A
Approvals: AC: Standard 248-15, Class T
UL Listed (File No. E81895):
JLLN (1-1200 A)
JLLS (1-800 A)
UL Recognized (File No. E71611)
JLLS ( 900 – 1200 A)
CSA Certified ( File No. LR29862)
JLLN/JLLS (1 – 600 A)
DC: UL Listed (File No. E81895):
JLLN (35 – 1200 A)
Littelfuse self-certified:
JLLN (1-30 A)
JLLS (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
short circuit protection for non-inductive circuits and equipment.
®
, JLLN/JLLS fuses provide fast-acting overload and
Applications
• Variable speed drive protection
• Compact mains switches
Features/Benefits
• Extremely current-limiting
• Compact design
• 200 kA Interrupting Rating
• JLLN Series is RoHS Compliant
Ordering Information
1 30 90 250 800
2 35 100 300 900*
3 40 110 350 1000
6 45 125 400 1100
10 50 150 450 1200
15 60 175 500
20 70 200 600
25 80 225 700
*JLL S o nl y
Note: Contact the factory for RoHS compliant Class T fuses.
SERIES VOLTA GE AMPER AGE
JLLS 600 V 6 JLLS006 JLLS006.T
JLLN 300 V 10 JLLN010 JLLN010 .T
AMPERE RATINGS
CATALOG
NUMBER
SYSTEM
NUMBER
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/jlln
www.littelfuse.com/jlls
Recommended Fuseholders
LFT30 Series
LFT60 Series
LSCR Series for 700-800 A
1
© JUNE 2011 Littelfuse POWR-GARD Productswww.littelfuse.com
POWR-GARD® Fuse Datasheet
UL Class T
JLLN/JLLS CLASS T FUSES
Dimensions in inches (mm)
C
Fig. 1
AMPERES
1 – 30 1
35 – 60
70 – 100 3
110 – 200 3
225 – 400 3
450 – 600 3
700 – 800 3
900 – 1200 3
REF ER TO
FIG. NO.
D
A
SERIES
JLLN
JLLS 1
1 JLLN
2 JLLS 1
JLLN 2
JLLS 2
JLLN 2
JLLS 3
JLLN 2
JLLS 3
JLLN 3
JLLS 3
JLLN 3
JLLS 4
JLLN 4 (101.6) 2
JLLS 5.27 (133.9) 3.80 (96.5) 2 ( 50.8 ) 2.63 (66.8) 2.30 ( 58.4) 0.67 (15.5) 0.44 (11.2)
B
B
C
F
A
D
F
C
E
A
G
D
Fig. 2 Fig. 3
DIMENSIONS IN INCHES (mm)
A B C D E F G
7
⁄8 (22.2) —
1
⁄2 (38.1) —
7
⁄8 (22.2) —
9
⁄16 (39.7)
5
⁄32 (54.8) 19⁄16 (39.7)
61
⁄64 (75.0) 223⁄64 (59.9)
7
⁄16 (61.9 ) 111⁄16 (42.9)
1
⁄4 (82.6) 21⁄2 (63.5)
3
⁄4 (69.9) 127⁄32 (46.8) 1 (25.4) 15⁄16 (33.3)
5
⁄8 (92 .1) 223⁄32 (69.1) 1 (25.4) 119⁄32 (40.5) 123⁄32 (43.7)
1
⁄16 (77. 8 ) 21⁄32 (51.6) 11⁄4 (31.8 ) 119⁄32 (40.5)
63
⁄64 (101.2) 261⁄64 (75.0) 11⁄4 (31.8 ) 21⁄16 (52.4) 149⁄64 (44.8)
3
⁄8 (85.7) 27⁄
21
⁄64 (109.9) 311⁄64 (80.6) 13⁄4 (44.5) 21⁄2 (63.5) 155⁄64 (47. 2)
13
⁄16 (20.6)
32
(64.3) 13⁄4 (44.5) 21⁄16 (52.4)
17
⁄32 (64.3) 2 (50.8) 21⁄2 (63.5) 11⁄32 (26.2)
9
⁄32 (7.1)
9
⁄32 (7.1)
9
⁄32 (7.1)
13
⁄32 (10.3) 1 (25.4)
3
⁄4 (19 .1)
3
⁄4 (19 .1)
7
⁄8 (22.2) 11⁄16 (27. 0 )
7
⁄8 (22.2) 11⁄16 (27. 0 ) 121⁄32 (4 2.1 )
13
⁄32 (10.3) — — —
9
⁄16 (14.3) — — —
9
⁄16 (14.3) — — —
13
⁄16 (20.6)
13
⁄16 (20.6) 141⁄64 (41.7)
1
⁄16 (1.6 ) 13⁄32 (27. 8 ) —
27
⁄32 (21.4)
27
⁄32 (21.4)
53
⁄64 (21.0)
7
⁄8 (22.2)
7
⁄8 (22.2)
9
⁄32 (7.1)
9
⁄32 (7.1)
11
⁄32 (8.7)
11
⁄32 (8.7)
13
⁄32 (10.3)
13
⁄32 (10.3)
31
⁄64 (12.3)
31
⁄64 (12.3)
35
⁄64 (13.9)
35
⁄64 (13.9)
39
⁄64 (15.5)
1
⁄8 (3.2)
1
⁄8 (3.2)
3
⁄16 (4.8)
3
⁄16 (4.8)
1
⁄4 (6.4)
1
⁄4 (6.4)
5
⁄16 (7.9 )
5
⁄16 (7.9 )
3
⁄8 (9.5)
3
⁄8 (9.5)
7
⁄16 (11.1 )
Current-Limiting Effects of JLLN (300 V) fuses
SHORT
CIRCUIT
CURRENT*
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data Derived from Peak Let-Thru Curves
APPA REN T RMS SYMME TRICAL CURRENT FOR
VARIOUS FUSE RATINGS
30 A 6 0 A 100 A 2 00 A 40 0 A 600 A 8 00 A 120 0 A
700 775 1,100 1,65 0 3,500 4,000 5,000 5,000
900 1,000 1, 400 2,10 0 4,400 5,100 6,750 8,250
1,000 1,10 0 1,6 00 2,400 5,000 5,900 7,7 50 10,000
1,100 1, 25 0 1,8 00 2,700 5,500 6,500 8,750 11,000
1,230 1, 30 0 1,95 0 2,900 6,000 7,000 9,500 12,000
1,3 00 1,475 2,050 3,100 6,400 7,500 10,000 12,500
1,3 30 1,5 75 2,150 3,300 6,750 7, 75 0 10,500 13,500
1,4 30 1,6 00 2,300 3,500 7,000 8,000 11,000 14,000
1,500 1,75 0 2,400 3,70 0 7,500 8,75 0 12,000 15,000
1,700 1,900 2,700 4,000 8,000 9,500 12,500 16,000
1,8 50 2,100 2,800 4,400 9,000 10,500 14,000 17,500
2,000 2,250 3,150 4,800 9,750 11,500 15,000 18,500
2,300 2,600 3,600 5,500 11,000 13,000 17,500 22,000
2,600 2,800 3,900 6,000 12,000 14,500 19,500 24,000
Current-Limiting Effects of JLLS (600 V) fuses
SHORT
CIRCUIT
CURRENT*
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data Derived from Peak Let-Thru Curves
2
APPA REN T RMS SYMME TRICAL CURRENT FOR
VARIOUS FUSE RATINGS
30 A 60 A 100 A 20 0 A 4 00 A 600 A 800 A 120 0 A
750 1,225 1,4 00 2,850 4,600 5,000 5,000 5,000
945 1,525 1,70 0 3,600 6,000 8,500 9,400 10,000
1,0 50 1,700 2,000 4,050 6,600 9,750 10,500 13,000
1,150 1,900 2,200 4,450 7, 250 10,500 11,000 14,750
1,3 00 2,050 2,400 4,800 8,000 11,500 12,500 15,500
1,3 75 2,150 2,450 5,000 8,250 12,000 13,750 16,500
1,4 00 2,250 2,600 5,100 8,500 13,000 14,000 17,000
1,4 25 2,400 2,800 5,200 8,700 14,000 14,750 18,000
1,6 00 2,450 2,900 6,000 9,500 14,500 16,000 20,000
1,6 50 2,625 3,100 6,250 10,000 15,500 17, 30 0 21,000
1,8 25 2,800 3,400 7,000 11,000 17,000 18,750 23,000
2,000 3,100 3,700 7, 25 0 12,000 18,000 20,000 25,000
2,250 3,400 4,300 8,500 13,000 21,000 23,000 28,500
2,450 3,800 4,600 9,000 15,000 23,000 25,000 31,000
© JUNE 2011 Littelfuse POWR-GARD Productswww.littelfuse.com
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