L
IMITRON
™ Class L
KLU — 600Vac, 601-4000A, Time-Delay Fuses
Dimensions – in
All other tolerances (± 0.02)
All Slots and Holes
0.63" (± 0.03)
0.88"
1.75"
1.38"
1.75"
0.81"
0.88"
1.63"
1.38"
8.63"
(± 0.09)
601
1000 1500
6.75"
to
10.75"
5.75"
to
to
(± 0.09)
800A
1200A 1600A
1800
to
2000A
2500A
3000A
3500
to
4000A
6.75"
3.75"
0.38"
0.38"
0.44"
0.5"
0.75"
0.75"
0.75"
2"
2.5"
2"
2.5"
2.38"
3"
2.75"
3.5"
3.5"
5"
4"
5"
4.75"
5.75"
Terminals: Width (± 0.06), Thickness (± 0.03)
Description:
Advanced protection Class L time-delay, current-
limiting fuses. Time-delay – 5 seconds (minimum) at 500% of
rated current.
Catalog Symbol:
KLU-(amp)
Ratings:
Volts — 600Vac
Amps — 601-4000A*
IR — 200kA Vac RMS Sym.
* Use KRP-CL for current ratings from 225 to 600 amps.
Features:
• 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
• 200kA interrupting rating complies with NEC
®
Sections
110.9 and 230.65 in today’s large capacity systems
• Selective coordination (blackout prevention)
Recommended Fuse Blocks — 601 to 1200 Amps
†
Catalog Numbers
51215
51235
Poles
1
3
Agency Infortmation:
CE, UL Listed, Std. 248-10, Class L, Guide JDDZ, File E4273
CSA Certified, C22.2 No. 248.10, Class 1422-02, File 53787
RoHS Compliant
Catalog Numbers (amps)
KLU–601
KLU–650
KLU–700
KLU–800
KLU–1000
Amp Rating
601-800
1000-1200
1500-1600
1800-2000
2500
3000
4000
KLU–1200
KLU–1500
KLU–1600
KLU–1800
KLU–2000
Carton Qty.
1
1
1
1
1
1
1
KLU–2500
KLU–3000
KLU–4000
† No Agency listings available.
No reducers available.
Carton Quantity and Weight
0713
BU-SB13725
Page 1 of 3
Data Sheet # 1013
L
IMITRON
™ Class L
KLU — 600Vac, 601-4000A, Time-Delay Fuses
Current-Limitation Curves
B
4000
3000
2500
2000
1600
1200
800
AMP RATING
10,000
A
PROSPECTIVE SHORT-CIRCUIT CURRENT
SYMMETRICAL RMS AMPS
BU-SB13725
INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPERES
400,000
100,000
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper 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. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper 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.
0713
Page 3 of 3
Data Sheet # 1013
200,000
100,000
1,000
10,000
1,000
Talking
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