LITTELFUSE KLKD25, KLKD20, KLKD2, KLKD15, KLKD12 Datasheet
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49
KLK Fuses
FAST-ACTING ■600 V AC
Fast-acting, high-interrupting capacity,
current-limiting type fuse. Especially suited
for control circuits, street lighting, H.I.D.
lighting, computers, and other applications
without high inrush currents.
Voltage Rating: 600 Volts AC
500 Volts DC
Interrupting Rating: UL Listed 100,000
amperes rms symmetrical
(Capable of 200,000 amperes)
Ampere Ratings:
KLKD Fuses
FAST-ACTING ■600 V AC/DC
Fast-acting, high-interrupting capacity,
current-limiting type fuse. Especially suited
for DC control circuits, street lighting, H.I.D.
lighting, computers, and other applications.
Voltage Rating: 600 Volts AC/DC
Interrupting Rating: AC:100,000 amperes
rms symmetrical; DC: 10,000 amperes
Ampere Ratings:
FLM Fuses
TIME-DELAY ■250 V AC
Use FLM 250 volt time-delay fuses to
protect control circuit transformers,
solenoids, and other circuits with high
inrush currents. Excellent for supplemental
protection of small motors. For motor
branch-circuit protection, See Class
CC fuses.
Voltage Rating: 250 Volts AC
Interrupting Rating: AC: 10,000 amperes
rms symmetrical.
Ampere Ratings:
FLQ Fuses
TIME-DELAY ■500 V AC
These 500 volt time-delay fuses provide
excellent supplemental protection of control
power transformers, solenoids, and circuits
with high inrush currents. UL and CSA 500
volt ratings permit use on 480 volt circuits.
FLQ fuses also provide supplemental
protection to small motors. For motor
branch-circuit protection, see Class
CC fuses.
Voltage Rating: 500 Volts AC
Interrupting Rating: 10,000 amperes
rms symmetrical
Ampere Ratings:
Approvals: Standard 248-14
UL Listed 3/10-30A
(File No: E10480)
CSA Certified 3/10-30A
(File No: LR29862)
Versions available to meet
MIL-F-5160/60, QPL F60C:
Contact Factory.
Dimensions: 13/32" x 1-1/2"
Example part number (series & amperage): KLK 1-1/2
Approvals: Standard 248-14
UL Listed 3/10-30A
(File No: E10480)
CSA Certified 3/10-30A
(File No: LR29862)
Dimensions: 13/32" x 1-1/2"
Example part number (series & amperage): KLKD 30
Approvals: Standard 248-14
UL Listed (File No: E10480)
CSA Certified
(File No: LR29862)
Dimensions: 13/32" x 1-1/2"
Example part number (series & amperage): FLM 15
1
⁄10 1410
1
⁄8 11⁄2 512
2
⁄10 2615
1
⁄4 21⁄2 720
3
⁄10 3825
1
⁄2 31⁄2 930
3
⁄4
1
⁄10 1410
1
⁄8 11⁄2 512
2
⁄10 2615
1
⁄4 21⁄2 720
3
⁄10 3825
1
⁄2 31⁄2 930
3
⁄4
1
⁄10 11⁄8 37
15
⁄100 11⁄4 32⁄10 8
2
⁄10 14⁄10 31⁄2 9
1
⁄4 11⁄2 410
3
⁄10 16⁄10 41⁄2 12
4
⁄10 18⁄10 515
1
⁄2 25
6
⁄10 20
6
⁄10 21⁄4 625
8
⁄10 21⁄2 61⁄4 30
12
8
⁄10
1
⁄10
8
⁄10 32⁄10 8
1
⁄8 13
1
⁄2 9
15
⁄100 11⁄8 410
3
⁄16 11⁄4 41⁄2 12
2
⁄10 11⁄2 514
1
⁄4 16⁄10 56⁄10 15
3
⁄10 2620
4
⁄10 21⁄4 61⁄4 25
1
⁄2 21⁄2 730
6
⁄10 3
RECOMMENDED FUSE BLOCKS
L60030M series. Refer to Fuse Block section of this catalog for additional information.
Midget Fuses
Supplementary Overcurrent Protection
Approvals: Standard 248-14
UL Listed (File No: E10480)
CSA Certified
(File No: LR29862)
Dimensions: 13/32" x 1-1/2"
Example part number (series & amperage): FLQ 1/2
50
BLN Fuses
FAST-ACTING ■250 V AC
Fiber tube, 250 volt BLN fuses provide lowcost protection for military applications and
control circuits.
Voltage Rating: 250 Volts AC
Interrupting Rating: 10,000 amperes rms
symmetrical
Ampere Ratings:
Approvals: Standard 248-14
UL Listed (File No: E10480)
CSA Certified
(File No: LR29862)
Versions available to meet
MIL-F-15160/9, QPL F09A:
Contact Factory
Dimensions: 13/32" x 1-1/2"
Example part number (series & amperage): BLN 30
BLF Fuses
FAST-ACTING ■125/250 V AC
Laminated tube BLF fuses are the lowest
price midget fuse. They are suitable for
control circuit and instrument protection in
dry locations.
Voltage Ratings: 250 Volts AC: 1/2 – 15
amperes; 125 Volts AC: 20 – 30 amperes
Interrupting Rating: 10,000 amperes rms
symmetrical
Ampere Ratings:
Approvals: Standard 248-14
UL Listed (File No: E10480)
CSA Certified
(File No: LR29862)
Dimensions: 13/32" x 1-1/2"
Example part number (series & amperage): BLF 5
BLS Fuses
FAST-ACTING ■250/600 V AC
BLS fuses are 1-3/8" long in contrast to
other midget fuses which are 1-1/2". They
provide space-saving, low-cost, protection
to street lighting, metering, control and
electronic circuits.
Voltage Rating: 600 Volts AC: 2/10 – 5
amperes; 250 Volts AC: 6 – 10 amperes
Interrupting Rating: 10,000 amperes
rms symmetrical
Ampere Ratings:
Approvals: Standard 248-14
UL Listed 1/2-5 Amps
(File No: E10480)
CSA Certified 1/2 – 5 Amps
(File No: LR29862)
Dimensions: 13/32" x 1-3/8"
Example part number (series & amperage): BLS 10
Ampere Ratings:
FLA Fuses
TIME-DELAY ■125 V AC
FLA fuses are 125 volt, pin-indicating time-
delay fuses for protection of control circuit
transformers, solenoids, and other circuits
with high inrush currents. Metal indicating pin
“pops-out” when fuse opens. Pin gives visual
indication of open fuse. Use FLA fuses in
conjunction with special fuseblocks to operate
mechanical signal switches or energize alarm
circuits. Fuses rated 12 amperes and above
have dual-tube construction.
Voltage Rating: 125 Volts AC
Interrupting Rating: 10,000 amperes rms
symmetrical
Approvals: Standard 248-14
UL Listed (File No: E10480)
CSA Certification Pending
Dimensions: 13/32" x 1-1/2"
*
Note: Dual tube construction
Example part number (series & amperage): FLA 15
151020
261225
381530
4
1
⁄2 3715
14820
11⁄2 5925
261030
21⁄2
6
1
⁄4
12
2
⁄10 126
4
⁄10 11⁄2 37
1
⁄2 16⁄10 48
3
⁄4 18⁄10 510
8
⁄10
1
⁄10 11⁄8 28⁄10 61⁄4
15
⁄100 11⁄4 37
2
⁄10 14⁄10 32⁄10 8
1
⁄4 11⁄2 31⁄2 10
3
⁄10 16⁄10 4 12
*
4
⁄10 18⁄10 41⁄2 15
*
1
⁄
2 2 5 20
*
6
⁄
10 2
1
⁄
4 5
6
⁄
10 25
*
8
⁄
10 2
1
⁄
2 6 30
*
1
RECOMMENDED FUSE BLOCKS
L60030M series. Refer to Fuse Block section of this catalog for additional information.
Midget Fuses
Supplementary Overcurrent Protection
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