JLLN050.TXP [LITTELFUSE]

FUS 300V F/A CLASS T 50A PLTD;
JLLN050.TXP
型号: JLLN050.TXP
厂家: LITTELFUSE    LITTELFUSE
描述:

FUS 300V F/A CLASS T 50A PLTD

文件: 总9页 (文件大小:780K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
300/600 V ac • Fast-Acting • 1–1200 A  
Specifications  
JLLN  
Voltage Ratings  
Ac: 300 V  
Dc: 160 V (1–60 A)  
125 V (70–1200 A)  
Ampere Range  
Interrupting Ratings  
1–1200 A  
Ac: 200 kA rms symmetrical  
Dc: 50 kA (1–30 A)  
20 kA (35–1200 A)  
Approvals  
Material  
Ac: UL Standard 248-15, Class T  
UL Listed (File: E81895): 1–1200 A  
CSA Certified (File: LR29862): 1–600 A  
Dc: UL Listed (File: E81895): 1–1200 A  
1–30 A: melamine body, bronze caps  
35–1200 A: melamine body, copper caps  
RoHS Compliant  
Environmental  
Country of Origin  
Mexico  
JLLS  
Voltage Ratings  
Ac: 600 V  
Dc: 300 V  
Ampere Range  
Interrupting Ratings  
1–1200 A  
Ac: 200 kA rms symmetrical  
Dc: 20 kA  
Description  
JLLN / JLLS series fuses are less than /  
1
3
the size of  
Approvals  
Ac: UL Standard 248-15, Class T  
UL Listed (File: E81895): 1–1200 A  
CSA Certified (File: LR29862): 1– 600 A  
Dc: Littelfuse self-certified  
1–30 A: melamine body, copper caps  
35–60 A: melamine body, bronze caps  
70–1200 A: melamine body, copper caps  
RoHS Compliant  
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.  
Material  
Environmental  
Country of Origin  
Features/Benefits  
Mexico  
ꢁꢀ  
Extremely current-limiting  
Compact design  
200 kA interrupting rating  
JLLN 35–60 amperes available with PCB mounts  
Part Numbering System  
JLLN xxxx V —  
ꢁꢀ  
ꢁꢀ  
ꢁꢀ  
Options  
Series  
Blank = Standard Non-Plated  
XP = Premium Silver Plated  
XL = Leaded†  
Applications  
Amperage  
ꢁꢀ  
Variable speed drive protection  
Package Quantity  
T = 10 (160 A)  
V = 5 (70100 A)  
X = 1 (1101200 A)  
ꢁꢀ  
Power conversion devices (inverters, rectifiers, UPS)  
XV = Vertical Mount†  
XLS = Solder Lead†  
ꢁꢀ  
Power supplies and power distribution units  
ꢁꢀ  
Compact mains switches  
XLSE = Solder Lead Extended†  
Recommended Fuse Holders  
LFT30 series  
LFT60 series  
LSCR series for 70–800 amperes  
PACK PLATING MOUNT  
SERIES AMP  
CATALOG  
NUMBER  
JLLS006  
JLLN035L  
JLLN040LSE JLLN040.TXLSE  
ORDERING  
NUMBER  
JLLS006.T  
SIZE SUFFIX  
SUFFIX  
JLLS  
JLLN  
JLLN  
6
35  
40  
T
T
T
V
XL†  
JLLN035.TXL  
XLSE†  
JLLN 100  
XP  
JLLN100P  
JLLN100.VXP  
Option is available for JLLN 35–60 amperes only. Premium plating is standard  
Web Resources  
Download TC curves, CAD drawings and other technical  
information: Littelfuse.com/jlln  
Ordering Information  
Littelfuse.com/jlls  
AMPERE RATINGS  
1
2
3
6
10  
15  
20  
25  
30  
35  
40  
45  
50  
60  
70  
80  
90  
100  
110  
125  
150  
175  
200  
225  
250  
300  
350  
400  
450  
500  
600  
700  
800  
900*  
1000  
1100  
1200  
*NEC is a trademark of its respective owner.  
*JLLS only  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
1 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
Dimensions  
Inches (mm)  
DIMENSIONS INCHES (mm)  
D
REFER TO  
FIG. NO.  
AMPERES  
SERIES  
A
B
C
E
F
G
JLLN  
JLLS  
JLLN  
JLLS  
JLLN  
JLLS  
JLLN  
JLLS  
JLLN  
JLLS  
JLLN  
JLLS  
JLLN  
JLLS  
JLLN  
JLLS  
.875 (22.2)  
.281 (7.1)  
.281 (7.1)  
.406 (10.3)  
.562 (14.3)  
.562 (14.3)  
.994 (25.2)  
.812 (20.6)  
1–30  
1
1.500 (38.1)  
.875 (22.2)  
1
2
.281 (7.1)  
35–60  
70–100  
1.562 (39.7)  
2.156 (54.8)  
2.953 (75.0)  
2.437 (61.9)  
3.250 (82.6)  
2.750 (69.9)  
3.625 (92.1)  
3.062 (77.8)  
3.984 (101.2)  
3.375 (85.7)  
4.328 (109.9)  
4.000 (101.6)  
5.271 (133.9)  
.812 (20.6)  
1.562 (39.7)  
2.352 (59.7)  
1.687 (42.9)  
2.507 (63.7)  
1.843 (46.8)  
2.718 (69.1)  
2.031 (51.6)  
2.953 (75.0)  
2.218 (56.4)  
3.171 (80.6)  
2.531 (64.3)  
3.801 (96.5)  
.406 (10.3)  
.750 (19.1)  
.062 (1.6)  
1.094 (27.8)  
.281 (7.1)  
.281 (7.1)  
.343 (8.7)  
.343 (8.7)  
.406 (10.3)  
.406 (10.3)  
.484 (12.3)  
.484 (12.3)  
.546 (13.9)  
.546 (13.9)  
.609 (15.5)  
.609 (15.5)  
.830 (21.1)  
1.625 (41.3)  
.830 (21.1)  
1.656 (42.1)  
.828 (21.0)  
1.712 (43.5)  
.875 (22.2)  
1.765 (44.8)  
.875 (22.2)  
1.860 (47.2)  
1.033 (26.2)  
2.303 (58.5)  
.125 (3.2)  
.125 (3.2)  
.187 (4.8)  
.187 (4.8)  
.250 (6.4)  
.250 (6.4)  
.312 (7.9)  
.312 (7.9)  
.375 (9.5)  
.375 (9.5)  
.437 (11.1)  
.437 (11.1)  
3
3
3
3
3
3
.750 (19.1)  
.828 (21.0)  
1.062 (27.0)  
1.078 (27.4)  
1.312 (33.3)  
1.593 (40.5)  
1.593 (40.5)  
2.062 (52.4)  
2.062 (52.4)  
2.500 (63.5)  
2.500 (63.5)  
2.625 (66.7)  
.875 (22.2)  
.875 (22.2)  
1.000 (25.4)  
1.000 (25.4)  
1.250 (31.8)  
1.250 (31.8)  
1.750 (44.5)  
1.750 (44.5)  
2.000 (50.8)  
2.000 (50.8)  
110–200  
225–400  
450–600  
700–800  
900–1200  
C
G
B
D
B
D
C
F
C
A
F
E
A
D
A
Fig. 1  
Fig. 2  
Fig. 3  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
2 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
PCB Mounting Options (JLLN 35–60 A Only)  
+
-
0.13  
12.70±0.25  
12.95  
0.00  
[
]
0.500±0.010  
+
0.005  
0.000  
0.510  
[
]
-
4.95  
[0.195]  
REF  
Leaded  
JLLN-XL  
Vertical Mount  
JLLN-XV  
45.57 MAX  
[1.794]  
34.54  
[1.360]  
29.72  
[1.170]  
44.81  
[1.764]  
42.93 MIN  
[1.690]  
+
-
0.13  
4.19  
1.32  
0.00  
[0.052]  
+
0.005  
-
0.000  
0.165  
[
]
REF  
PAD LAYOUT  
Solder  
JLLN-XLS  
LSE Terminal Option  
+
0.13  
0.00  
12.95  
-
15.42 REF  
[0.607]  
0.165  
[
]
+
-
0.000  
0.005  
0.510  
[
]
-
0.000  
4.09 REF  
[0.161]  
PAD  
4.19 REF  
[0.165]  
22.28 REF  
[0.877]  
24.49 MAX  
[0.964]  
4.75 REF  
[0.187]  
23.98 REF  
[0.944]  
21.84 MIN  
[0.860]  
12.70 REF  
[0.500]  
14.22 REF  
[0.560]  
+
-
0.005  
0.000  
0.13  
0.00  
4.19  
1.32 REF  
[0.052]  
+
-
0.165  
[
]
DENOTES CRITICAL CHARACTERISTICS.  
4.09 REF  
[0.161]  
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALU  
DENOTES A CHARACTERISTIC THAT PROVIDES AN  
CPK  
PAD LAYOUT  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
3 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
Time Current Curve JLLN (1–10 A)  
Time Current Curve JLLN (15–30 A)  
1000  
900  
1000  
900  
1000  
900  
1000  
900  
800  
800  
800  
800  
700  
600  
700  
600  
700  
600  
700  
600  
500  
500  
500  
500  
400  
400  
400  
400  
300  
200  
300  
200  
300  
200  
300  
200  
-
-
-
-
15A  
20A  
25A  
30A  
-
-
-
-
-
1A  
2A  
3A  
6A  
10A  
100  
90  
100  
90  
100  
90  
100  
90  
80  
80  
80  
80  
70  
60  
70  
60  
70  
60  
50  
70  
60  
50  
50  
50  
40  
40  
40  
40  
30  
20  
30  
20  
30  
20  
30  
20  
10  
9
10  
9
10  
9
10  
9
8
8
8
8
7
6
7
6
7
6
7
6
5
5
5
5
4
4
4
4
3
2
3
2
3
2
3
2
1
0.9  
0.8  
0.7  
0.6  
1
1
0.9  
0.8  
0.7  
0.6  
1
0.9  
0.8  
0.9  
0.8  
0.7  
0.6  
0.7  
0.6  
0.5  
0.5  
0.5  
0.5  
0.4  
0.4  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.09  
0.08  
0.09  
0.08  
0.07  
0.06  
0.07  
0.06  
0.05  
0.05  
0.05  
0.05  
0.04  
0.04  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
0.01  
0.01  
CURRENT IN AMPERES  
CURRENT IN AMPERES  
Time Current Curve JLLN (35–60 A)  
Time Current Curve JLLN (70–100 A)  
1000  
900  
1000  
1000  
900  
1000  
900  
900  
800  
700  
800  
800  
800  
700  
600  
700  
600  
700  
600  
600  
500  
500  
500  
500  
400  
400  
300  
400  
400  
300  
200  
300  
200  
300  
200  
200  
-
-
-
-
70A  
80A  
90A  
100A  
-
-
-
-
-
35A  
40A  
45A  
50A  
60A  
100  
90  
100  
90  
100  
90  
100  
90  
80  
80  
80  
80  
70  
60  
50  
70  
60  
50  
70  
60  
50  
70  
60  
50  
40  
40  
40  
40  
30  
20  
30  
20  
30  
20  
30  
20  
10  
9
10  
9
10  
9
10  
9
8
8
8
8
7
6
7
6
7
6
7
6
5
5
5
5
4
4
4
4
3
2
3
2
3
2
3
2
1
0.9  
0.8  
0.7  
0.6  
1
1
0.9  
0.8  
0.7  
0.6  
1
0.9  
0.8  
0.9  
0.8  
0.7  
0.6  
0.7  
0.6  
0.5  
0.5  
0.5  
0.5  
0.4  
0.4  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.09  
0.08  
0.09  
0.08  
0.07  
0.06  
0.07  
0.06  
0.05  
0.05  
0.05  
0.05  
0.04  
0.04  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
0.01  
0.01  
CURRENT IN AMPERES  
CURRENT IN AMPERES  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
4 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
Time Current Curve JLLN (110–200 A)  
Time Current Curve JLLN (225–400 A)  
1000  
900  
1000  
900  
1000  
900  
1000  
900  
800  
800  
800  
800  
700  
600  
700  
600  
700  
600  
700  
600  
500  
500  
500  
500  
400  
400  
400  
400  
300  
200  
300  
200  
300  
200  
300  
200  
-
-
-
-
-
225A  
250A  
300A  
350A  
400A  
-
-
-
-
-
110A  
125A  
150A  
175A  
200A  
100  
90  
100  
90  
100  
90  
100  
90  
80  
80  
80  
80  
70  
60  
70  
60  
70  
60  
70  
60  
50  
50  
50  
50  
40  
40  
40  
40  
30  
20  
30  
20  
30  
20  
30  
20  
10  
9
10  
9
10  
9
10  
9
8
8
8
8
7
6
7
6
7
6
7
6
5
5
5
5
4
4
4
4
3
2
3
2
3
2
3
2
1
0.9  
0.8  
0.7  
0.6  
1
1
0.9  
0.8  
0.7  
0.6  
1
0.9  
0.8  
0.9  
0.8  
0.7  
0.6  
0.7  
0.6  
0.5  
0.5  
0.5  
0.5  
0.4  
0.4  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.09  
0.08  
0.09  
0.08  
0.07  
0.06  
0.07  
0.06  
0.05  
0.05  
0.05  
0.05  
0.04  
0.04  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
0.01  
0.01  
CURRENT IN AMPERES  
CURRENT IN AMPERES  
Time Current Curve JLLN (450–1200 A)  
1000  
900  
1000  
900  
800  
800  
700  
600  
700  
600  
500  
500  
400  
400  
300  
200  
300  
200  
-
-
-
-
-
-
-
-
450A  
500A  
600A  
700A  
800A  
1000A  
1100A  
1200A  
100  
90  
100  
90  
80  
80  
70  
60  
50  
70  
60  
50  
40  
40  
30  
20  
30  
20  
10  
9
10  
9
8
8
7
6
7
6
5
5
4
4
3
2
3
2
1
0.9  
0.8  
0.7  
0.6  
1
0.9  
0.8  
0.7  
0.6  
0.5  
0.5  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.09  
0.08  
0.07  
0.06  
0.05  
0.05  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
CURRENT IN AMPERES  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
5 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
Time Current Curve JLLS (1–30 A)  
Time Current Curve JLLS (35–60 A)  
1000  
900  
1000  
900  
1000  
900  
1000  
900  
800  
800  
800  
800  
700  
600  
700  
600  
700  
600  
500  
700  
600  
500  
500  
500  
400  
400  
400  
400  
300  
300  
200  
300  
200  
300  
200  
-
-
-
-
1A  
200  
2A  
3A  
6A  
100  
90  
80  
70  
60  
100  
90  
80  
70  
60  
100  
90  
100  
90  
-
-
-
-
-
10A  
15A  
20A  
25A  
30A  
80  
80  
70  
60  
70  
60  
50  
50  
50  
50  
-
-
-
-
-
35A  
40A  
45A  
50A  
60A  
40  
40  
40  
30  
40  
30  
20  
30  
20  
30  
20  
20  
10  
9
10  
9
10  
9
10  
9
8
8
8
8
7
6
7
6
7
6
5
7
6
5
5
5
4
4
4
4
3
2
3
2
3
2
3
2
1
0.9  
0.8  
0.7  
0.6  
1
1
0.9  
0.8  
0.7  
0.6  
1
0.9  
0.8  
0.9  
0.8  
0.7  
0.6  
0.7  
0.6  
0.5  
0.5  
0.5  
0.5  
0.4  
0.4  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.09  
0.08  
0.09  
0.08  
0.07  
0.06  
0.07  
0.06  
0.05  
0.05  
0.05  
0.05  
0.04  
0.04  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
0.01  
0.01  
CURRENT IN AMPERES  
CURRENT IN AMPERES  
Time Current Curve JLLS (70–100 A)  
Time Current Curve JLLS (110–200 A)  
1000  
900  
1000  
1000  
900  
1000  
900  
800  
700  
900  
800  
700  
800  
800  
700  
600  
500  
700  
600  
500  
600  
500  
600  
500  
400  
400  
300  
400  
400  
300  
300  
200  
300  
200  
200  
200  
100  
90  
100  
90  
100  
90  
100  
90  
80  
80  
80  
80  
70  
60  
50  
70  
60  
50  
70  
60  
50  
70  
60  
50  
-
-
-
-
70A  
80A  
90A  
100A  
40  
40  
40  
40  
30  
20  
30  
20  
30  
20  
30  
20  
10  
9
10  
9
10  
9
10  
9
8
8
8
8
7
6
5
7
6
5
-
-
-
-
-
110A  
125A  
150A  
175A  
200A  
7
6
5
7
6
5
4
3
4
4
4
3
2
3
2
3
2
2
1
0.9  
0.8  
1
1
0.9  
0.8  
1
0.9  
0.8  
0.9  
0.8  
0.7  
0.6  
0.7  
0.6  
0.5  
0.7  
0.6  
0.7  
0.6  
0.5  
0.5  
0.5  
0.4  
0.4  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.1  
0.1  
0.09  
0.08  
0.1  
0.09  
0.08  
0.09  
0.08  
0.07  
0.06  
0.07  
0.06  
0.05  
0.07  
0.06  
0.07  
0.06  
0.05  
0.05  
0.05  
0.04  
0.04  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
0.01  
0.01  
CURRENT IN AMPERES  
CURRENT IN AMPERES  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
6 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
Time Current Curve JLLS (225–400A)  
Time Current Curve JLLS (450–600A)  
1000  
900  
1000  
900  
1000  
900  
1000  
900  
800  
800  
800  
800  
700  
600  
500  
700  
600  
500  
700  
600  
500  
700  
600  
500  
400  
400  
400  
400  
300  
200  
300  
200  
300  
200  
300  
200  
100  
90  
100  
90  
100  
90  
100  
90  
80  
70  
-
-
-
-
-
225A  
250A  
300A  
350A  
400A  
80  
80  
80  
70  
60  
50  
70  
60  
50  
70  
60  
50  
60  
50  
40  
30  
40  
40  
40  
-
-
-
450A  
500A  
600A  
30  
20  
30  
20  
30  
20  
20  
10  
9
10  
9
10  
9
10  
9
8
8
8
8
7
6
7
6
7
6
7
6
5
5
5
5
4
4
4
4
3
2
3
2
3
2
3
2
1
0.9  
0.8  
1
1
0.9  
0.8  
1
0.9  
0.8  
0.9  
0.8  
0.7  
0.6  
0.7  
0.6  
0.5  
0.7  
0.6  
0.7  
0.6  
0.5  
0.5  
0.5  
0.4  
0.4  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.1  
0.1  
0.09  
0.08  
0.1  
0.09  
0.08  
0.09  
0.08  
0.07  
0.06  
0.07  
0.06  
0.05  
0.07  
0.06  
0.07  
0.06  
0.05  
0.05  
0.05  
0.04  
0.04  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
0.01  
0.01  
CURRENT IN AMPERES  
CURRENT IN AMPERES  
Time Current Curve JLLS (700–1200A)  
1000  
900  
1000  
900  
800  
800  
700  
600  
700  
600  
500  
500  
400  
400  
300  
200  
300  
200  
-
-
-
-
-
-
700A  
800A  
100  
90  
100  
90  
900A  
80  
80  
70  
60  
50  
70  
60  
50  
1000A  
1100A  
1200A  
40  
40  
30  
20  
30  
20  
10  
9
10  
9
8
8
7
6
7
6
5
5
4
4
3
2
3
2
1
0.9  
0.8  
0.7  
0.6  
1
0.9  
0.8  
0.7  
0.6  
0.5  
0.5  
0.4  
0.4  
0.3  
0.2  
0.3  
0.2  
0.1  
0.09  
0.08  
0.07  
0.06  
0.1  
0.09  
0.08  
0.07  
0.06  
0.05  
0.05  
0.04  
0.04  
0.03  
0.02  
0.03  
0.02  
0.01  
0.01  
CURRENT IN AMPERES  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
7 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
Peak Let-Thru Curve and Current-Limiting Effects of JLLN (300V) Fuses  
1,000,000  
1200A -  
800A -  
600A -  
100,000  
400A -  
200A -  
100A -  
60A -  
30A -  
10,000  
1,000  
100  
100  
1,000  
10,000  
100,000  
AVAILABLE FAULT CURRENT  
SYMMETRICAL R.M.S. AMPERES  
APPARENT RMS SYMMETRICAL CURRENT FOR VARIOUS FUSE RATINGS  
SHORT CIRCUIT  
CURRENT*  
30 A  
700  
60 A  
775  
100 A  
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  
3,900  
200 A  
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  
6,000  
400 A  
3,500  
4,400  
5,000  
5,500  
6,000  
6,400  
6,750  
7,000  
7,500  
8,000  
9,000  
9,750  
11,000  
12,000  
600 A  
4,000  
5,100  
800 A  
5,000  
1200 A  
5,000  
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  
900  
1,000  
1,100  
1,250  
1,300  
1,475  
1,575  
1,600  
1,750  
1,900  
2,100  
2,250  
2,600  
2,800  
6,750  
8,250  
1,000  
1,100  
1,230  
1,300  
1,330  
1,430  
1,500  
1,700  
1,850  
2,000  
2,300  
2,600  
5,900  
6,500  
7,000  
7,500  
7,750  
7,750  
10,000  
11,000  
12,000  
12,500  
13,500  
14,000  
15,000  
16,000  
17,500  
18,500  
22,000  
24,000  
8,750  
9,500  
10,000  
10,500  
11,000  
12,000  
12,500  
14,000  
15,000  
17,500  
19,500  
8,000  
8,750  
9,500  
10,500  
11,500  
13,000  
14,500  
*Prospective RMS Symmetrical Amperes Short-Circuit Current  
Note: Data Derived from Peak Let-Thru Curves  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
Rev: 061820  
8 of 9  
POWR-GARD® Fuse  
CLASS T – JLLN / JLLS SERIES  
Peak Let-Thru Curve and Current-Limiting Effects of JLLS (600V) Fuses  
1,000,000  
100,000  
10,000  
1,000,000  
100,000  
10,000  
1,000  
1200A -  
1100A -  
1000A -  
900A -  
800A -  
600A -  
500A -  
400A -  
200A -  
100A -  
60A -  
30A -  
1,000  
100  
1,000  
10,000  
100,000  
100  
1,000  
10,000  
100,000  
AVAILABLE FAULT CURRENT  
AVAILABLE FAULT CURRENT  
SYMMETRICAL R.M.S. AMPERES  
SYMMETRICAL R.M.S. AMPERES  
APPARENT RMS SYMMETRICAL CURRENT FOR VARIOUS FUSE RATINGS  
SHORT CIRCUIT  
CURRENT*  
30 A  
750  
60 A  
1,225  
1,525  
1,700  
1,900  
2,050  
2,150  
2,250  
2,400  
2,450  
2,625  
2,800  
3,100  
3,400  
3,800  
100 A  
1,810  
2,300  
2,610  
2,900  
3,100  
3,300  
3,500  
3,650  
3,900  
4,150  
4,570  
4,950  
5,650  
6,200  
200 A  
2,500  
3,150  
3,600  
3,950  
4,250  
4,500  
4,750  
4,950  
5,350  
5,650  
6,250  
6,700  
7,700  
8,450  
400 A  
4,600  
6,000  
6,600  
7,250  
600 A  
5,000  
800 A  
5,000  
1200 A  
5,000  
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  
945  
8,500  
9,400  
10,000  
13,000  
14,750  
15,500  
16,500  
17,000  
18,000  
20,000  
21,000  
23,000  
25,000  
28,500  
31,000  
1,050  
1,150  
1,300  
1,375  
1,400  
1,425  
1,600  
1,650  
1,825  
2,000  
2,250  
2,450  
9,750  
10,500  
11,000  
12,500  
13,750  
14,000  
14,750  
16,000  
17,300  
18,750  
20,000  
23,000  
25,000  
10,500  
11,500  
12,000  
13,000  
14,000  
14,500  
15,500  
17,000  
18,000  
21,000  
23,000  
8,000  
8,250  
8,500  
8,700  
9,500  
10,000  
11,000  
12,000  
13,000  
15,000  
*Prospective RMS Symmetrical Amperes Short-Circuit Current  
Note: Data Derived from Peak Let-Thru Curves  
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.  
Littelfuse.com/jlls, Littelfuse.com/jlln  
© 2020 Littelfuse, Inc.  
9 of 9  
Rev: 061820  

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