E-Rated Medium Voltage Fuses for Potential & Small
Power Trans.
JCD, JCW, JCE, JCQ, JCI, & JCT
• Low amp, E-Rated medium voltage fuses are general
purpose current limiting fuses
• The E rating defines the melting-time-current characteristic of
the fuse and permits electrical interchangeability of fuses
with the same E Rating
• For a general purpose fuse to have an E Rating the following
condition must be met:
The current responsive element shall melt in 300 seconds at
a rms current within the range of 200% to 240% of the
continuous current rating of the fuse, fuse refill, or link. (For
fuses rated 100E or less)(ANSI C37.46)
• Cooper Bussmann low amp, E-Rated fuses are designed to
provide primary protection for potential, small service, and
control transformers
• These fuses offer a high level of fault current interruption in a
self-contained non-venting package which can be mounted
indoors or in an enclosure
Catalog Symbol:
JCD, JCW, JCE, JCQ, JCI, AND JCT
E-Rated
Current Limiting
Indicating/Non-Indicating
Plated Ferrules
Voltage Ratings:
(Max. Design): 2750, 5500, 8300,15,500V
Current Ratings:
1
⁄
2
E through 10E
No Agency Listings
1211 BU-SB02090
Page 1 of 2
Data Sheet 6002
Dimensional Data
A
C
B
Specifications
Buss
Catalog No.
JCD-1/2E
JCD-1E
JCD-2E
JCD-5E
JCW-1/2E
JCW-1E
JCW-2E
JCW-3E
JCW-4E
JCW-5E
JCE-1/2E
JCE-1E
JCE-2E
JCE-3E
JCE-4E
JCE-5E
JCQ-3E
JCQ-5E
JCQ-10E
JCI-3E
JCI-5E
JCI-10E
JCT-3E
JCT-5E
JCT-10E
Amps
.50E
1.0E
2.0E
5.0E
.5E
1E
2E
3E
4E
5E
.5E
1E
2E
3E
4E
5E
3.0E
5.0E
10.0E
3.0E
5.0E
10.0E
3.0E
5.0E
10.0E
Maximum
Design Voltage
2750V
2750V
2750V
2750V
2750V/5500V
2750V/5500V
2750V/5500V
2750V/5500V
2750V/5500V
2750V/5500V
5500V
5500V
5500V
5500V
5500V
5500V
5500V
5500V
5500V
8300V
8300V
8300V
15500V
15500V
15500V
Dimensions (Inches)
A
B
C
4.5
4.5
4.5
4.5
7.31
7.31
7.31
7.31
7.31
7.31
5.6
5.6
5.6
5.6
5.6
5.6
9.44
9.44
9.44
12.88
12.88
12.88
17.5
17.5
17.5
0.8
0.8
0.8
0.8
1.56
1.56
1.56
1.56
1.56
1.56
0.81
0.81
0.81
0.81
0.81
0.81
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
0.63
0.63
0.63
0.63
1.38
1.38
1.38
1.38
1.38
1.38
0.63
0.63
0.63
0.63
0.63
0.63
1.38
1.38
1.38
1.38
1.38
1.38
1.38
1.38
1.38
Construction
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Single
Maximum Interrupting Capacity
Amps (Asym.)
Amps (Sym.)
100,000
63,000
63,000
40,000
60,000
60,000
60,000
60,000
60,000
60,000
60,000
60,000
60,000
60,000
60,000
60,000
130,000
130,000
130,000
130,000
130,000
130,000
130,000
130,000
130,000
63,000
40,000
40,000
25,000
40,000
40,000
40,000
40,000
40,000
40,000
50,000
50,000
50,000
50,000
50,000
50,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
2400V; E-Rated Fuse; Indicating
2400/4800V; E-Rated Fuse; Non-Indicating
5500V; E-Rated Fuse; Non-Indicating
4800V; E-Rated Fuse; Indicating
7200V; E-Rated Fuse; Indicating
14,400V; E-Rated Fuse; Indicating
Fuse clip for 1.6” Diameter Fuses - 1A0835
Fuse clip for 0.81” Diameter Fuses - 1A1837
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 informa-
tion 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.
© 2011 Cooper Bussmann
www.cooperbussmann.com
1211 BU-SB02090
Page 2 of 2
Data Sheet 6002
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