Littelfuse KLKd Series Catalog Page
POWR-GARD® Fuse Datasheet
KLKd
Series
10x38
mm
FUSES
600 VAC/600 VDC • Fast Acting
Description
The KLKD fuse series is fast-acting with a high DC voltage rating. This family of Midget style fuses (10 x 38 mm) is used in solar combiner boxes and in circuits with DC fault currents up to 50,000 amperes. KLKD fuses are available in standard and board-mount configurations.
In addition, the KLKD series has been designed to meet both the UL and IEC photovoltaic fuse standards.
Littelfuse offers a wide range of ampere ratings to match specific requirements in a variety of applications.
Features/Benefits
•Designed to UL and IEC photovoltaic specifications
•1/10-30 A ratings available
•50 kA DC Voltage Interrupting Rating (1/10-30 A)
•Both standard and board-mount configurations available
•1-5 A meets UL1741 GFDI requirements
Recommended Fuseholders
LPSM Series
L60030M Series
L60030MPCB Board Mount Holder
Applications
•Combiner boxes
•Inverters
•Power supplies
•Desktop meters
•600 V circuit protection
Look for this logo to indicate products that are 
used in solar applications. Visit our website
www.littelfuse.com/solar for the latest updates on approvals, certifications, codes and standards.
Specifications
Voltage Rating: |
600 VAC/VDC |
Amperage Rating: |
1/10, 1/8, 2/10, 1/4, 3/10, 1/2, 3/4, 1, 11/2, 2, 21/2, 3, |
|
31/2, 4, 5, 6, 7, 8, 9,10, 12, 15, 20, 25, 30 |
Interrupting Ratings: |
AC: 100 kA |
|
DC: 1/10-30: 10 kA (UL 2579) |
|
1/10-30: 50 kA (UL 248-14) |
Material: |
Body: Melamine |
|
Caps: Copper Alloy |
Operating Temperature: |
See Rerating Curve |
Approvals: |
1/10-30 A UL 2579 Listed (File No. E339112) |
|
2-25 A IEC 60269-6 |
|
(VDE Approved to Certifications No. 40033094) |
|
UL 248-14 Listed (File No. E10480) |
|
CSA Certified (File No. LR29862) |
|
(1/10-30 A Ferrule Style Only) |
|
CE Certified |
Environmental: |
RoHS Compliant |
Country of Origin: |
Mexico |
Ordering Examples
AMPERAGE |
|
Part number |
|
ordering number |
1/8 |
|
KLKD.125 |
|
KLKD.125T |
|
|
|||
1 |
|
KLKD001 |
|
KLKD001.T |
2 |
|
KLKD002 |
|
KLKD002.T |
8 |
|
KLKD008 |
|
KLKD008.T |
30 (WITH PCB TABS) |
|
KLKD030R |
|
KLKD030.HXR |
Dimensions in inches(mm)
Ferrule Version |
PCB Version |
|
|
.06 (1.52) |
.14 |
|
.02 (.51) |
(3.56) |
|
|
.04 |
|
|
(1.02) |
1.5 (38.1) |
1.53 |
|
|
|
|
|
(38.86) |
|
|
.50 (12.7) |
|
MOUNTING HOLE |
|
|
DETAIL |
|
|
.12 (3.05) |
||
|
|
||
.406 |
.12 |
.28 |
.406 (10.31) |
(10.31) |
(3.05) |
(7.11) |
|
Web Resources
Downloadable CAD drawings and other technical information: www.littelfuse.com/klkd
www.littelfuse.com |
1 |
© November 2011 Littelfuse POWR-GARD Products |
POWR-GARD® Fuse Datasheet
KLKd
Series
10x38
mm
FUSES
600 VAC/600 VDC • Fast Acting
Ordering Information – Ferrule Version
PART |
ORDERING |
AMPERAGE |
UPC |
Agency Approvals |
||||
NUMBER |
NUMBER |
UL |
VDE |
CSA |
CE |
|||
|
|
|||||||
|
|
|
|
|||||
KLKD 1/10 |
KLKD.100T |
1/10 |
07945810189 |
• |
|
• |
• |
|
KLKD 1/8 |
KLKD.125T |
1/8 |
07945810190 |
• |
|
• |
• |
|
KLKD 2/10 |
KLKD.200T |
2/10 |
07945810191 |
• |
|
• |
• |
|
KLKD 1/4 |
KLKD.250T |
1/4 |
07945810192 |
• |
|
• |
• |
|
KLKD 3/10 |
KLKD.300T |
3/10 |
07945810193 |
• |
|
• |
• |
|
KLKD ½ |
KLKD.500T |
1/2 |
07945810194 |
• |
|
• |
• |
|
KLKD 3/4 |
KLKD.750T |
3/4 |
07945810195 |
• |
|
• |
• |
|
KLKD 1 |
KLKD001.T |
1 |
07945810196 |
• |
|
• |
• |
|
KLKD 1 1/2 |
KLKD01.5T |
1 1/2 |
07945810197 |
• |
|
• |
• |
|
KLKD 2 |
KLKD002.T |
2 |
07945810198 |
• |
• |
• |
• |
|
KLKD 2 1/2 |
KLKD02.5T |
2 1/2 |
07945810199 |
• |
• |
• |
• |
|
KLKD 3 |
KLKD003.T |
3 |
07945810200 |
• |
• |
• |
• |
|
KLKD 3 1/2 |
KLKD03.5T |
3 1/2 |
07945810214 |
• |
• |
• |
• |
|
KLKD 4 |
KLKD004.T |
4 |
07945810201 |
• |
• |
• |
• |
|
KLKD 5 |
KLKD005.T |
5 |
07945810202 |
• |
• |
• |
• |
|
KLKD 6 |
KLKD006.T |
6 |
07945810203 |
• |
• |
• |
• |
|
KLKD 7 |
KLKD007.T |
7 |
07945810204 |
• |
• |
• |
• |
|
KLKD 8 |
KLKD008.T |
8 |
07945810205 |
• |
• |
• |
• |
|
KLKD 9 |
KLKD009.T |
9 |
07945810215 |
• |
• |
• |
• |
|
KLKD 10 |
KLKD010.T |
10 |
07945810206 |
• |
• |
• |
• |
|
KLKD 12 |
KLKD012.T |
12 |
07945810207 |
• |
• |
• |
• |
|
KLKD 15 |
KLKD015.T |
15 |
07945810208 |
• |
• |
• |
• |
|
KLKD 20 |
KLKD020.T |
20 |
07945810209 |
• |
• |
• |
• |
|
KLKD 25 |
KLKD025.T |
25 |
07945810210 |
• |
• |
• |
• |
|
KLKD 30 |
KLKD030.T |
30 |
07945810211 |
• |
|
• |
• |
|
|
|
|
|
|
|
|
|
|
Ordering Information – PCB Version
PART |
ORDERING |
|
|
Agency |
|
AMPERAGE |
UPC |
Approvals |
|||
NUMBER |
NUMBER |
|
|
UL |
CE |
|
|
|
|
||
KLKD 1/10-R |
KLKD.100HXR |
1/10 |
07945814857 |
• |
• |
KLKD ½ -R |
KLKD.500HXR |
1/2 |
07945814858 |
• |
• |
KLKD 1-R |
KLKD001.HXR |
1 |
07945812133 |
• |
• |
KLKD 2 -R |
KLKD002.HXR |
2 |
07945894349 |
• |
• |
KLKD 3 -R |
KLKD003.HXR |
3 |
07945818991 |
• |
• |
KLKD 4 -R |
KLKD004.HXR |
4 |
07945811495 |
• |
• |
KLKD 5 -R |
KLKD005.HXR |
5 |
07945814859 |
• |
• |
KLKD 6 -R |
KLKD006.HXR |
6 |
07945894350 |
• |
• |
KLKD 8 -R |
KLKD008.HXR |
8 |
07945894351 |
• |
• |
KLKD 10 -R |
KLKD010.HXR |
10 |
07945814860 |
• |
• |
KLKD 12 -R |
KLKD012.HXR |
12 |
07945894352 |
• |
• |
KLKD 15 -R |
KLKD015.HXR |
15 |
07945894353 |
• |
• |
KLKD 20 -R |
KLKD020.HXR |
20 |
07945894354 |
• |
• |
KLKD 25 -R |
KLKD025.HXR |
25 |
07945894355 |
• |
• |
KLKD 30 -R |
KLKD030.HXR |
30 |
07945894356 |
• |
• |
|
|
|
|
|
|
Current-Limiting Effects |
|
|
|
|
|
Fuse Weight |
|
|
||||
Short circuit |
Apparent RMS Symmetrical Current for Various Fuse Ratings |
Amperage |
|
UNIT WEIGHT |
||||||||
|
||||||||||||
|
|
|
|
|
|
|
|
|
|
|
||
current* |
1 |
1/2 A |
12 A |
25 A |
|
30 A |
1/10 – 1 1/2 A |
|
.013 lb / 5.90 g |
|||
|
||||||||||||
|
|
|
2 – 30 A |
|
.017 lb / 7.71 g |
|||||||
5,000 |
|
240 |
|
292 |
|
654 |
|
722 |
|
|||
|
|
|
|
|
|
|
||||||
10,000 |
|
303 |
|
367 |
|
823 |
|
910 |
|
|
|
|
15,000 |
|
347 |
|
420 |
|
943 |
|
1042 |
|
|
|
|
20,000 |
|
381 |
|
463 |
|
1037 |
|
1147 |
|
|
|
|
25,000 |
|
411 |
|
498 |
|
1117 |
|
1235 |
|
|
|
|
30,000 |
|
437 |
|
530 |
|
1188 |
|
1313 |
|
|
|
|
35,000 |
|
460 |
|
558 |
|
1250 |
|
1382 |
|
|
|
|
40,000 |
|
481 |
|
583 |
|
1307 |
|
1445 |
|
|
|
|
50,000 |
|
518 |
|
628 |
|
1408 |
|
1556 |
|
|
|
|
60,000 |
|
550 |
|
667 |
|
1496 |
|
1654 |
|
|
|
|
80,000 |
|
605 |
|
735 |
|
1647 |
|
1820 |
|
|
|
|
100,000 |
|
652 |
|
791 |
|
1774 |
|
1961 |
|
|
|
|
*Prospective RMS Symmetrical Amperes Short-Circuit Current |
|
|
|
|
|
|
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
www.littelfuse.com |
|
|
|
|
|
2 |
© November 2011 Littelfuse POWR-GARD Products |
||||
POWR-GARD® Fuse Datasheet
KLKd
Series
10x38
mm
FUSES
600 VAC/600 VDC • Fast Acting
Opening Characteristics 10 x 38 mm Solar Fuses
|
|
DC / AC |
|
Interrupting |
|
Average peak |
|
average |
|
Total |
|
Total |
||
Part Number |
AMPERAGE |
|
Rating (kA) |
|
|
|
Clearing I2T |
|
Clearing I2T |
|||||
|
|
Voltage |
|
AC |
|
DC |
|
arc voltage * |
|
clearing time * |
|
(A2 Sec) 20 kA * |
|
(A2 Sec) 100 kA |
|
|
|
|
|
|
|
|
|
|
|
|
|
||
KLKD 1/10 |
|
600 |
|
100 |
|
50 |
|
754.32 |
|
0.000047 |
|
0.019 |
|
– |
0.1 |
|
|
|
|
|
|
||||||||
KLKD 1/8 |
0.125 |
600 |
|
100 |
|
50 |
|
811.56 |
|
0.000050 |
|
0.010 |
|
– |
KLKD 2/10 |
0.2 |
600 |
|
100 |
|
50 |
|
834.19 |
|
0.000073 |
|
0.032 |
|
– |
KLKD 1/4 |
0.25 |
600 |
|
100 |
|
50 |
|
– |
|
– |
|
– |
|
– |
KLKD 3/10 |
0.3 |
600 |
|
100 |
|
50 |
|
862.46 |
|
0.000101 |
|
0.067 |
|
– |
KLKD ½ |
0.5 |
600 |
|
100 |
|
50 |
|
961.38 |
|
0.000141 |
|
0.197 |
|
– |
KLKD 3/4 |
0.75 |
600 |
|
100 |
|
50 |
|
1675.55 |
|
0.000170 |
|
0.753 |
|
– |
KLKD 1 |
1 |
600 |
|
100 |
|
50 |
|
1422.41 |
|
0.000247 |
|
1.827 |
|
0.008 |
KLKD 1 1/2 |
1.5 |
600 |
|
100 |
|
50 |
|
1256.92 |
|
0.000828 |
|
13.956 |
|
280 |
KLKD 2 |
2 |
600 |
|
100 |
|
50 |
|
2867.96 |
|
0.000291 |
|
3.919 |
|
0.012 |
KLKD 2 1/2 |
2.5 |
600 |
|
100 |
|
50 |
|
2820.44 |
|
0.000387 |
|
8.877 |
|
– |
KLKD 3 |
3 |
600 |
|
100 |
|
50 |
|
2521.83 |
|
0.000449 |
|
14.835 |
|
– |
KLKD 3 1/2 |
3.5 |
600 |
|
100 |
|
50 |
|
2762.89 |
|
0.000471 |
|
21.048 |
|
– |
KLKD 4 |
4 |
600 |
|
100 |
|
50 |
|
2498.89 |
|
0.000507 |
|
30.76 |
|
0.019 |
KLKD 5 |
5 |
600 |
|
100 |
|
50 |
|
2397.30 |
|
0.000607 |
|
56.514 |
|
0.024 |
KLKD 6 |
6 |
600 |
|
100 |
|
50 |
|
2558.28 |
|
0.000735 |
|
96.824 |
|
0.035 |
KLKD 7 |
7 |
600 |
|
100 |
|
50 |
|
2433.04 |
|
0.000898 |
|
168.578 |
|
0.087 |
KLKD 8 |
8 |
600 |
|
100 |
|
50 |
|
2499.40 |
|
0.000945 |
|
210.595 |
|
0.656 |
KLKD 9 |
9 |
600 |
|
100 |
|
50 |
|
2191.16 |
|
0.000992 |
|
266.633 |
|
– |
KLKD 10 |
10 |
600 |
|
100 |
|
50 |
|
2296.23 |
|
0.001200 |
|
454.628 |
|
211.667 |
KLKD 12 |
12 |
600 |
|
100 |
|
50 |
|
2114.97 |
|
0.001455 |
|
744.775 |
|
440 |
KLKD 15 |
15 |
600 |
|
100 |
|
50 |
|
1428.37 |
|
0.001721 |
|
351.24 |
|
– |
KLKD 20 |
20 |
600 |
|
100 |
|
50 |
|
1436.40 |
|
0.006144 |
|
1151.185 |
|
2120 |
KLKD 25 |
25 |
600 |
|
100 |
|
50 |
|
1701.60 |
|
0.002085 |
|
1744.033 |
|
2085 |
KLKD 30 |
30 |
600 |
|
100 |
|
50 |
|
1353.76 |
|
0.002924 |
|
2021.801 |
|
3220 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
*Test Circuit: 600 VDC / 20 kA
www.littelfuse.com |
3 |
© November 2011 Littelfuse POWR-GARD Products |
POWR-GARD® Fuse Datasheet
KLKd
Series
10x38
mm
FUSES
600 VAC/600 VDC • Fast Acting
Performance Characteristics 10 x 38 mm Solar Fuses
Part Number |
AMPERAGE |
Nom Cold |
Average Melt Time * |
Average MELTING I2T * |
Watts Loss at 100% |
Watts Loss at 80% |
|
|
Resistance (Ohm) |
|
|
Rated Current (W) |
Rated current (W) |
KLKD 1/10 |
0.1 |
85.5 |
– |
– |
0.780 |
0.505 |
KLKD 1/8 |
0.125 |
65 |
– |
– |
0.975 |
0.659 |
KLKD 2/10 |
0.2 |
30.9 |
– |
– |
1.213 |
0.773 |
KLKD 1/4 |
0.25 |
22 |
– |
– |
1.364 |
0.870 |
KLKD 3/10 |
0.3 |
16.2 |
– |
– |
1.519 |
0.960 |
KLKD ½ |
0.5 |
8.16 |
– |
– |
1.961 |
1.237 |
KLKD 3/4 |
0.75 |
0.402 |
0.000063 |
0.234 |
0.361 |
0.199 |
KLKD 1 |
1 |
0.252 |
0.000094 |
0.678 |
0.388 |
0.273 |
KLKD 1 1/2 |
1.5 |
0.134 |
0.000153 |
2.890 |
0.409 |
0.229 |
KLKD 2 |
2 |
0.124 |
0.000145 |
2.379 |
0.823 |
0.606 |
KLKD 2 1/2 |
2.5 |
0.0989 |
0.000186 |
5.142 |
0.912 |
0.618 |
KLKD 3 |
3 |
0.0773 |
0.000211 |
7.821 |
0.957 |
0.654 |
KLKD 3 1/2 |
3.5 |
0.0613 |
0.000249 |
12.417 |
1.12 |
0.826 |
KLKD 4 |
4 |
0.0511 |
0.000284 |
18.945 |
1.367 |
0.891 |
KLKD 5 |
5 |
0.0363 |
0.000347 |
34.163 |
1.4 |
0.938 |
KLKD 6 |
6 |
0.0261 |
0.000423 |
62.951 |
1.516 |
0.998 |
KLKD 7 |
7 |
0.0205 |
0.000505 |
105.143 |
1.577 |
1.066 |
KLKD 8 |
8 |
0.0194 |
0.000541 |
130.266 |
1.824 |
1.205 |
KLKD 9 |
9 |
0.0166 |
0.000587 |
164.221 |
2.208 |
1.428 |
KLKD 10 |
10 |
0.0128 |
0.000701 |
278.390 |
1.893 |
1.3 |
KLKD 12 |
12 |
0.0103 |
0.000822 |
445.010 |
2.296 |
1.584 |
KLKD 15 |
15 |
0.00782 |
0.000544 |
137.333 |
2.045 |
1.57 |
KLKD 20 |
20 |
0.0045 |
0.000826 |
462.056 |
2.133 |
1.593 |
KLKD 25 |
25 |
0.003532 |
0.001007 |
834.529 |
2.55 |
1.933 |
KLKD 30 |
30 |
0.002776 |
0.000819 |
452.465 |
2.99 |
2.16 |
|
|
|
|
|
|
|
*Test Circuit: 600 VDC / 20 kA
www.littelfuse.com |
4 |
© November 2011 Littelfuse POWR-GARD Products |
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