Bussmann KLU Data Sheet
Limitron
®
KLU
Time-Delay, Class L Fuses 601-4000A
600 Volt
Form No. KLU
Page 1 of 2
BIF Doc #1013
Bussmann
®
12-21-98
SB98107
Rev. A
601Ato800A
1000Ato1200A
1350Ato1600A
1601Ato2000A
2500A 3000A
3500A
to
4000A
.75"
.75".75"
.5"
2.75"
.44"
2.38"
.38".38"
2"
2.5"
2.53"
Max.
2"
2.5"
2.78"
Max.
3"
3.03"
Max.
3.5"
3.53"
Max.
3.5"
5"
5.03"
Max.
4"
5"
5.03"
Max.
4.75"
5.75"
5.79"
Max.
10.75"
(± 0.09)
8.63"
(± 0.09)
6.75"
5.75"
.63" (± 0.03)
All Slots and Holes
6.75"
3.75"
1.38"
Terminals:
Width (± 0.06)
Thickness (± 0.03)
Catalog Symbol: KLU
Time-Delay – 5 seconds (minimum) at 500% rated current
Current-Limiting
Bolt Mount
Ampere Rating: 601 to 4000 Amperes*
Voltage Rating: 600 Volts AC (or less)
Interrupting Rating: 200,000A RMS Sym.
Agency Approvals:
UL Listed, Std. 248-10, Class L, Guide JDDZ, File E4273
CSA Certified, C22.2 No. 248.10, Class 1422-02, File 53787
*Use KRP-CL for current ratings below 601 amps.
Ampere Ratings(600 Volts)†
Catalog Ctn.
Weight**
Catalog Ctn.
Weight**
Number Qty. Lbs. Kg. Number Qty. Lbs. Kg.
KLU–601 KLU–1800
KLU–650
1 3.75 1.70
KLU–2000
KLU–700 KLU–2500 1 8.50 3.86
KLU–800 KLU–3000
KLU–1000
1 4.25 1.93
KLU–4000
KLU–1200
KLU–1500
1 6.00 2.72
KLU–1600
†601-3000A is rated 340 VDC and 50 KAIC.
**Weight per carton.
Dimensional Data All other tolerances (± 0.02)
General Information:
• KLU Limitron
®
general purpose copper link fuses.
• Copper links result in a minimum 5 second time-delay at
500% ampere rating.
• Current-limiting – provides component short-circuit
protection.
• 200,000 AIR complies with NEC Sections 110-9 and
230-65 in today’s large capacity systems.
• Selective coordination (blackout prevention).
• No fuse reducers available. See KRP-CL.
Fuseblocks (601 - 1200 Amps):
Catalog
Number Poles
51215 1
51235 3
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000 VAC, 75-1500 VDC). Refer to BIF document #8002 or contact
Bussmann Application Engineering at 314-527-1270 for more information.
12-21-98
SB98107
Rev. A
Limitron
®
KLU
Time Delay, Class L Fuses 601-4000A
600 Volt
Form No. KLU
Page 2 of 2
BIF Doc #1013
Bussmann
®
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained
in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Current-Limitation Curves Time-Current Characteristic Curves–Average Melt
400,000
100,000
10,000
A
B
4000
3000
2500
2000
1600
1200
800
RATING
AMPERE
300
100
10
800A
1200A
1600A
2000A
3000A
4000A
AMPERE
RATING
1,000
INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPERES
1,000
PROSPECTIVE SHORT-CIRCUIT CURRENT
SYMMETRICAL RMS AMPERES
10,000
100,000
200,000
1
TIME IN SECONDS
.1
.01
1,000
CURRENT IN AMPERES
10,000
100,000
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