Medium Voltage Fuses
R-rated Fuses for Motor Circuit Protection
JCG, JCH, JCK,
JCK-A, JCK-B, JCL,
JCL-A, JCL-B, JCR-A,
& JCR-B
Specifications
Description:
Indoor/enclosure
R-rated medium voltage,
current-limiting fuses for motor
circuit protection.
Dimensions:
See Dimensions
illustrations.
Ratings:
Volts: — 2.4-7.2kV (See Catalog Numbers table for details)
Amps: — 25-450A (See Catalog Numbers table for details)
IR: — 50kA Sym
— 80kA ASYM
— See Catalog Numbers table for details
Dimensions - mm (in)
Figure 1
INDICATOR
Showing Fuse is Open
Agency Information:
UL Recognized: 2540Vac — JCK,
JCK-A, 5080Vac — JCL, JCL-A, UL Recognized (Guide
#MSSS2, File #E96676).
Features and Benefits
• Physically dimensioned for retrofitting in existing hardware
• Open fuse indicator for ease in troubleshooting
• Available with optional Cutler Hammer
®
hookeye for ease of
insertion and removal
• Classified as back-up fuses for current-limited protection of
medium voltage motor controllers
Typical Applications
• Medium Voltage Motor Controllers
0.38"
(9.5mm)
C
A
INDICATOR
Showing Fuse
is Open
B
Figure 2
Figure 3
Data Sheet 6001
80
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
Medium Voltage Fuses
R-rated Fuses for Motor Circuit Protection
Catalog Numbers: R-Rated; Indoor/Enclosure
Catalog
Numbers
JCK-2R
JCK-3R
JCK-4R
JCK-5R
JCK-6R
JCK-9R
JCK-12R
JCK-18R
JCK-24R
Amp
Ratings
70
100
130
150
170
200
230
390
450
Maximum
Design Voltage
2540
2540
2540
2540
2540
2540
2540
2540
2540
A
Dimensions - in (mm)*
B
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
C
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
Construction
Single
Single
Single
Single
Single
Single
Single
Double
Double
Max Int. Cap.
Amps (Asym.)
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
Amps
(Sym.)
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
Min Int. Cap.
Amps (Sym.)
165
220
320
410
480
720
970
1,430
1,880
Medium
Voltage
Fuses
2400V (See Figure 1)
11.24
11.24
11.24
11.24
11.24
11.24
11.24
11.24
11.24
2400V — With Westinghouse Ampguard Hookeye (See Figure 1)
JCK-A-2R
JCK-A-3R
JCK-A-4R
JCK-A-5R
JCK-A-6R
JCK-A-9R
JCK-A-12R
JCK-A-18R
JCK-A-24R
70
100
130
150
170
200
230
390
450
2540
2540
2540
2540
2540
2540
2540
2540
2540
11.24
11.24
11.24
11.24
11.24
11.24
11.24
11.24
11.24
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
(285.5)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
165
220
320
410
480
720
970
1,430
1,880
2400V — Bolt-On (See Figures 2 & 3)
JCK-B-30
JCK-B-2R
JCK-B-3R
JCK-B-4R
JCK-B-5R
JCK-B-6R
JCK-B-9R
JCK-B-12R
JCK-B-18R
JCK-B-24R
25
70
100
130
150
170
200
230
390
450
2540
2540
2540
2540
2540
2540
2540
2540
2540
2540
14.18
14.18
14.18
14.18
14.18
14.18
14.18
14.18
14.18
14.18
(360.2)
(360.2)
(360.2)
(360.2)
(360.2)
(360.2)
(360.2)
(360.2)
(360.2)
(360.2)
12.81
12.81
12.81
12.81
12.81
12.81
12.81
12.81
12.81
12.81
(325.4)
(325.4)
(325.4)
(325.4)
(325.4)
(325.4)
(325.4)
(325.4)
(325.4)
(325.4)
-
-
-
-
-
-
-
-
3.56 (90.4)
3.56 (90.4)
Single
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
90
170
245
340
430
500
1,000
1,250
1,700
1,210
2400V — Hermetically Sealed, For Use with Ampguard Motor Starters (See Figure 1)
JCH-30
JCH-2R
JCH-3R
JCH-4R
JCH-5R
JCH-6R
JCH-9R
JCH-12R
JCH-18R
JCH-24R
25
70
100
130
150
170
200
230
390
450
2540
2540
2540
2540
2540
2540
2540
2540
2540
2540
10.81
10.81
10.81
10.81
10.81
10.81
10.81
10.81
10.81
10.81
(275.6)
(275.6)
(275.6)
(275.6)
(275.6)
(275.6)
(275.6)
(275.6)
(275.6)
(275.6)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
Single
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
90
170
245
340
430
500
1,000
1,250
1,700
2,100
4800V (See Figure 1)
JCL-2R
JCL-3R
JCL-4R
JCL-5R
JCL-6R
JCL-9R
JCL-12R
JCL-18R
JCL-24R
70
100
130
150
170
200
230
390
450
5080
5080
5080
5080
5080
5080
5080
5080
5080
15.76
15.76
15.76
15.76
15.76
15.76
15.76
15.76
15.76
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
165
220
320
410
480
720
970
1,430
1,880
• See previous page Figure 2 for single construction and Figure 3 for double construction information.
Recommended fuseclips: see page 91 - 1A0065, A3354730, 9078A67G04.
Data Sheet: 6001
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
81
Medium Voltage Fuses
R-rated Fuses for Motor Circuit Protection
Catalog Numbers: R-Rated; Indoor/Enclosure
Catalog
Numbers
Amp
Ratings
Maximum
Design Voltage
A
Dimensions - in (mm)
B
C
Construction
Max Int. Cap.
Amps (Asym.
Amps
(Sym.)
Min Int. Cap.
Amps (Sym.)
4800V — With Westinghouse Ampguard Hookeye (See Figure 1)
JCL-A-2R
JCL-A-3R
JCL-A-4R
JCL-A-5R
JCL-A-6R
JCL-A-9R
JCL-A-12R
JCL-A-18R
JCL-A-24R
70
100
130
150
170
200
230
390
450
5080
5080
5080
5080
5080
5080
5080
5080
5080
15.76
15.76
15.76
15.76
15.76
15.76
15.76
15.76
15.76
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
(400.3)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
165
220
320
410
480
720
970
1,430
1,880
4800V — Bolt-On (See Figures 2 & 3)
JCL-B-30
JCL-B-2R
JCL-B-3R
JCL-B-4R
JCL-B-5R
JCL-B-6R
JCL-B-9R
JCL-B-12R
JCL-B-18R
JCL-B-24R
30
70
100
130
150
170
200
230
390
450
5080
5080
5080
5080
5080
5080
5080
5080
5080
5080
19.25
19.25
19.25
19.25
19.25
19.25
19.25
19.25
19.25
19.25
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
17.88
17.88
17.88
17.88
17.88
17.88
17.88
17.88
17.88
17.88
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
-
-
-
-
-
-
-
-
3.31 (84.1)
3.31 (84.1)
Single
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
95
180
270
350
450
540
700
1,000
1,450
2,000
4800V — Hermetically Sealed, For Use with Ampguard Motor Starters (See Figure 1)
JCG-30
JCG-2R
JCG-3R
JCG-4R
JCG-5R
JCG-6R
JCG-9R
JCG-12R
JCG-A-18R
JCG-A-24R
30
70
100
130
150
170
200
230
390
450
5080
5080
5080
5080
5080
5080
5080
5080
5080
5080
15.91
15.91
15.91
15.91
15.91
15.91
15.91
15.91
15.91
15.91
(404.1)
(404.1)
(404.1)
(404.1)
(404.1)
(404.1)
(404.1)
(404.1)
(404.1)
(404.1)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
Single
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
95
180
270
350
450
540
700
1,000
1,450
2,000
7200V — With Ampguard Hookeye (See Figure 1)
JCR-A-2R
JCR-A-3R
JCR-A-4R
JCR-A-5R
JCR-A-6R
JCR-A-9R
JCR-A-12R
JCR-A-18R
JCR-A-24R
70
100
130
150
170
200
230
390
450
8300
8300
8300
8300
8300
7200
7200
7200
7200
15.85
15.85
15.85
15.85
15.85
15.85
15.85
15.85
15.85
(402.6)
(402.6)
(402.6)
(402.6)
(402.6)
(402.6)
(402.6)
(402.6)
(402.6)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
(76.2)
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
160
250
325
390
500
750
1,000
1,450
2,500
7200V — Bolt-On (See Figures 2 & 3)
JCR-B-2R
JCR-B-3R
JCR-B-4R
JCR-B-5R
JCR-B-6R
JCR-B-9R
JCR-B-12R
JCR-B-18R
JCR-B-24R
70
100
130
150
170
200
230
390
450
8300
8300
8300
8300
8300
7200
7200
7200
7200
19.25
19.25
19.25
19.25
19.25
19.25
19.25
19.25
19.25
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
(488.9)
17.88
17.88
17.88
17.88
17.88
17.88
17.88
17.88
17.88
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
(454.1)
-
-
-
-
-
-
-
3.31 (84.1)
3.31 (84.1)
Single
Single
Single
Single
Single
Single
Single
Double
Double
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
50,000
160
250
325
390
500
750
1,000
1,450
2,500
Recommended fuseclips: see page 91 - 1A0065, A3354730, 9078A67G04.
Data Sheet: 6001
82
For product data sheets, visit www.cooperbussmann.com/datasheets/ulcsa
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