POWR-GARD
®
Fuse Datasheet
Class T – JllN / Jlls series FUses
300/600 VAC • Fast-Acting • 1-1200 A
Ordering Information
1
2
3
6
10
15
20
25
30
35
40
45
50
60
70
80
ampere raTiNgs
90
100
110
125
150
175
200
225
250
300
350
400
450
500
600
700
800
900*
1000
1100
1200
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.
*JLLS only
Note: Contact the factory for RoHS compliant Class T fuses.
series volTage
JLLS
JLLN
600
300
Applications
• Variable speed drive protection
• Compact mains switches
amp moUNTiNg
sUFFiX
6
–
35
V
CaTalog
NUmber
JLLS006
JLLN035V
orderiNg
NUmber
JLLS006.T
JLLN035.TXV
Part Numbering System
JLLN xxx T XL
Series
Amperage
Package Quantity
T = 10 (1-60 A)
V = 5 (70-100 A)
X = 1 (110-1200 A)
JLLN 35-60 A Only
Blank = Cartridge Type
XL = Leaded
XV = Vertical Mount
XLS = Solder Lead
Features/Benefits
• Extremely current-limiting
• Compact design
• 200 kA Interrupting Rating
Specifications
Voltage Ratings
AC: 300 V (JLLN)
600 V (JLLS)
DC: 160 V (JLLN 1 – 60 A)
125 V (JLLN 70 – 1200 A)
300 V (JLLS)
AC: 200 kA rms symmetrical
DC: 20 kA (JLLN & JLLS)
1 – 1200 A
AC: Standard 248-15, Class T
UL Listed (File: E81895):
JLLN (1 – 1200 A)
JLLS (1 – 800 A)
UL Recognized (File: E71611)
JLLN PCB Mount (35 – 60 A)
JLLS (900 – 1200 A)
CSA Certified (File: LR29862)
JLLN/JLLS (1 – 600 A)
DC: UL Listed (File: E81895):
JLLN (35 – 1200 A)
Littelfuse self-certified
JLLN (1 – 30 A)
JLLS (1 – 1200 A)
RoHS Compliant
Mounting Options
Interrupting Ratings
Ampere Range
Approvals
Web Resources
TC Curves, downloadable CAD drawings and other technical
information:
Littelfuse.com/jlln
Littelfuse.com/jlls
Recommended Fuse Holders
LFT30 Series
LFT60 Series
LSCR Series for 700-800 A
Environmental
Dimensions
Please refer to the Class T dimensions on page 3
Littelfuse.com
1 of 3
© 2013 Littelfuse POWR-GARD
®
Products
Rev: 012413
POWR-GARD
®
Fuse Datasheet
Class T – JllN / Jlls series FUses
Peak Let-Thru Curve and Current-Limiting Effects of JLLN (300 V) Fuses
JLLN
1000000
800000
600000
400000
300000
200000
100000
80000
60000
40000
30000
20000
200A
10000
8000
6000
4000
3000
2000
1000
800
600
400
300
200
100
60000
80000
100000
200000
6000
8000
10000
20000
30000
40000
600
800
1000
2000
3000
4000
100
200
300
400
100A
60A
30A
shorT
JLLS
appareNT rms symmeTriCal CUrreNT For
varioUs FUse raTiNgs
CirCUiT
1000000
CUrreNT*
30 a 60 a 100 a 200 a 400 a 600 a 800 a 1200 a
800000
600000
400000
300000
200000
100000
80000
60000
5,000
700
900
775
1,000
1,100
1,400
1,600
1,800
1,950
2,050
2,150
2,300
2,400
2,700
2,800
3,150
3,600
3000
4000
1,650
2,100
2,400
2,700
2,900
3,100
3,300
3,500
3,700
4,000
4,400
4,800
5,500
20000
3,500
4,400
5,000
5,500
6,000
6,400
6,750
7,000
7,500
8,000
9,000
9,750
4,000
5,100
5,900
6,500
800A
7,000
400A
600A
5,000
6,750
7,750
8,750
9,500
5,000
8,250
10,000
11,000
12,000
10,000
15,000
1,000 1,100
1,100 1,250
1,230 1,300
1,300 1,475
1,330 1,575
1,430 1,600
1,500 1,750
1,700 1,900
1,850 2,100
2,000 2,250
2,300 2,600
600
800
1000
2000
200
300
400
PEAK LET-THRU IN AMPERES
PEAK LET-THRU IN AMPERES
1200A
800A
600A
400A
20,000
40000
25,000
30000
20000
30,000
10000
35,000
8000
4000
3000
2000
1000
800
600
300
200A
7,500 10,000 12,500
100A
7,750 10,500 13,500
60A
30A
8,000
6000
40,000
11,000 14,000
12,000 15,000
12,500 16,000
50,000
60,000
80,000
8,750
9,500
10,500 14,000 17,500
11,500 15,000 18,500
400
100,000
200
150,000
11,000 13,000 17,500 22,000
60000
80000
100000
200000
30000
40000
AVAILABLE FAULT CURRENT
SYMMETRICAL R. M. S. AMPERES
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data Derived from Peak Let-Thru Curves
AVAILABLE FAULT CURRENT
SYMMETRICAL R. M. S. AMPERES
Peak Let-Thru Curve and Current-Limiting Effects of JLLS (600 V) Fuses
JLLS
1000000
800000
600000
400000
300000
200000
100000
80000
60000
40000
30000
appareNT rms symmeTriCal CUrreNT For
shorT
varioUs FUse raTiNgs
CirCUiT
CUrreNT*
30 a 60 a 100 a 200 a 400 a 600 a 800 a 1200 a
5,000
10,000
15,000
800A
600A
400A
200A
100A
60A
30A
750
945
1,225
1,525
1,400
1,700
2,000
2,200
2,400
2,450
2,600
2,800
2,900
3,100
3,400
3,700
4,300
4,600
6000
8000
10000
100
200,000
100
2,600 2,800
3,900
6,000
12,000 14,500 19,500 24,000
2,850
3,600
4,050
4,450
4,800
5,000
5,100
5,200
6,000
6,250
7,000
7,250
8,500
9,000
4,600
6,000
6,600
7,250
8,000
8,250
8,500
8,700
9,500
5,000
8,500
9,750
5,000
9,400
5,000
10,000
1,050 1,700
1,150 1,900
1,300 2,050
1,375 2,150
1,400 2,250
1,425 2,400
1,600 2,450
1,650 2,625
1,825 2,800
10,500 13,000
PEAK LET-THRU IN AMPERES
1200A
800A
600A
400A
200A
100A
60A
30A
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
10,500 11,000 14,750
11,500 12,500 15,500
12,000 13,750 16,500
13,000 14,000 17,000
14,000 14,750 18,000
14,500 16,000 20,000
20000
10000
8000
6000
4000
3000
2000
1000
800
600
400
300
200
100
60000
80000
100000
200000
6000
8000
10000
20000
30000
40000
600
800
1000
2000
3000
4000
100
200
300
400
10,000 15,500 17,300 21,000
11,000 17,000 18,750 23,000
12,000 18,000 20,000 25,000
13,000 21,000 23,000 28,500
15,000 23,000 25,000 31,000
100,000
2,000 3,100
150,000
2,250 3,400
200,000
2,450 3,800
60000
80000
100000
200000
AVAILABLE FAULT CURRENT
SYMMETRICAL R. M. S. AMPERES
*Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data Derived from Peak Let-Thru Curves
Littelfuse.com
2 of 3
© 2013 Littelfuse POWR-GARD
®
Products
Rev: 012413
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