L
IMITRON
™ Class RK1 600V
KTS-R — 600Vac, 1-600A, Fast-Acting Fuses
Dimensions – in
5"
(± 0.31)
0.81" (± 0.008)
1/10 to 30A
450 to 600A
13.38"
(± 0.094)
2.5" (± 0.008)
5.5"
(± 0.31)
1.06" (± 0.008)
35 to 60A
225 to 400A
11.63"
(± 0.094)
2.0" (± 0.008)
7.88"
(± 0.062)
9.63"
(± 0.062)
1.0" (± 0.008)
1.5" (± 0.008)
110 to 200A
Description:
Advanced protection Class RK1 current-limiting,
fast-acting fuses.
Catalog Symbol:
KTS-R-(amp)
Ratings:
Volts — 600Vac
Amps — 1-600A
IR — 200kA Vac RMS Sym.
Agency Information:
CE, UL Listed, Std. 248-12, Class RK1, Guide JDDZ,
File E4273
CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787
Catalog Numbers (amps)
KTS-R-1
KTS-R-2
KTS-R-3
KTS-R-4
KTS-R-5
KTS-R-6
KTS-R-8
KTS-R-10
KTS-R-12
KTS-R-15
Amp Rating
1–30
40–60
70–100
110–200
225–400
450–600
KTS-R-20
KTS-R-25
KTS-R-30
KTS-R-35
KTS-R-40
KTS-R-45
KTS-R-50
KTS-R-60
KTS-R-70
KTS-R-75
Carton Qty.
10
10
1
1
1
1
KTS-R-80
KTS-R-90
KTS-R-100
KTS-R-110
KTS-R-125
KTS-R-150
KTS-R-175
KTS-R-200
KTS-R-225
KTS-R-250
KTS-R-275
KTS-R-300
KTS-R-350
KTS-R-400
KTS-R-450
KTS-R-500
KTS-R-600
70 to 100A
Features:
• Single-element, fast-acting fuses with minimal time-delay
• Provides a high degree of short-circuit current-limitation
(component protection)
• Particularly suited for circuits and loads with no heavy surge
currents of motors, transformers, solenoids, and welders
• Commonly used to protect circuit breakers with lower inter-
rupting ratings.
• If used in circuits with surge currents (motors, etc.) must be
sized to prevent unwanted opening. It is recommended to
use an ultimate protection Low-Peak™ LPS-RK time-delay
fuse for inductive load applications.
• Incorporate Class R rejection feature. Can be inserted in
non-rejection type fuse holders to physically and electrically
replace fast-acting Class H, K1, K5, RK5, and other fast-
acting fuses.
Recommended Fuse Blocks
Fuse Amps
0-30
35-60
70-100
110-200
225-400
450-600
1-Pole
R60030-1
R60060-1
RM60100-1CR
RM60200-1CR
RM60400-1CR
RM60600-1CR
2-Pole
R60030-2
R60060-2
RM60100-2CR
RM60200-2CR
RM60400-2CR
RM60600-2CR
3-Pole
R60030-3
R60060-3
RM60100-3CR
RM60200-3CR
RM60400-3CR
RM60100-3CR
Carton Quantity and Weight
For additional information on 600 volt fuse blocks, see Data
Sheet # 1111 (1-60A) and product brochure # 3192 (70-600A).
Fuse Reducers For Class R Fuses
Equipment
Fuse Clips
60A
100A
200A
200A
400A
600A
Desired Fuse
(Case) Size
30A
30A
60A
60A
100A
100A
200A
100A
200A
400A
Catalog Numbers
(Pairs)
NO.663-R
NO.216-R
NO.616-R
NO.626-R
NO.2621-R
NO.2641-R
NO.642-R
NO.2661-R
NO.2662-R
NO.2664-R
†
† Single reducer only (pair not required).
For additional information on Class R fuse reducers, see
Data Sheet # 1118.
0713
BU-SB13740
Page 1 of 3
Data Sheet # 1044
L
IMITRON
™ Class RK1 600V
KTS-R — 600Vac, 1-600A, Fast-Acting Fuses
Current-Limitation Curves
B
AMP RATING
600
400
200
100
10,000
60
30
BU-SB13740
INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS
400,000
100,000
A
1,000
RMS SYMMETRICAL CURRENTS IN AMPS
A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 x SYMM RMS AMPS)
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 # 1044
100,000
200,000
1,000
10,000
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