• Low amperage, 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 con-
tinuous current rating of the fuse, fuse refill, or link. (For
fuses rated 100E or less)(ANSI C37.46).
• Bussmann low amperage, 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): 2475, 2750, 5500, 8300,
15,500 VOLT
CURRENT RATINGS: 1/4E THRU 10E
NO AGENCY LISTINGS
12-21-98
SB98107
Rev. A
Form No. JCD, JCW, JCE, JCQ, JCI, and JCT
Page 1 of 2
BIF Doc #6002
Bussmann
®
E-Rated Fuses
For Potential & Small Power Trans.
Medium Voltage
Dimensional Data
A
C
JCD, JCW, JCE
JCQ, JCI, & JCT
B
Specifications
Buss
Catalog No.
JCD-1/4E
JCD-1/2E
JCD-1E
JCD-2E
JCD-5E
JCW-1/2E
JCW-1E
JCW-2E
JCW-3E
JCW-4E
JCW-5E
JCE-1/4E
JCE-1/2E
JCE-2E
JCE-4E
JCQ-1/2E
JCQ-1E
JCQ-1-1/2E
JCQ-3E
JCQ-5E
JCQ-10E
JCI-1/2E
JCI-3E
JCI-5E
JCI-10E
JCT-1/2E
JCT-1E
JCT-1-1/2E
JCT-3E
JCT-5E
JCT-10E
Amperage
.25E
.50E
1.0E
2.0E
5.0E
.5E
1E
2E
3E
4E
5E
.25E
.50E
2.0E
4.0E
.5E
1.0E
1.5E
3.0E
5.0E
10.0E
.50E
3.0E
5.0E
10.0E
.5E
1.0E
1.5E
3.0E
5.0E
10.0E
Maximum
Design Voltage
2475V
2475V
2475V
2475V
2475V
2750V/5500V
2750V/5500V
2750V/5500V
2750V/5500V
2750V/5500V
2750V/5500V
5500V
5500V
5500V
5500V
5500V
5500V
5500V
5500V
5500V
5500V
8300V
8300V
8300V
8300V
15500V
15500V
15500V
15500V
15500V
15500V
Dimensions (Inches)
A
B
C
4.5
4.5
4.5
4.5
4.5
7.31
7.31
7.31
7.31
7.31
7.31
5.63
5.63
5.63
5.63
9.5
9.5
9.5
12.88
12.88
12.88
9.5
12.88
12.88
12.88
12.94
12.94
12.94
17.5
17.5
17.5
0.75
0.75
0.75
0.75
0.75
1.56
1.56
1.56
1.56
1.56
1.56
0.75
0.75
0.75
0.75
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
1.56
0.63
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
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
1.125
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
Single
Single
Single
Single
Single
Single
Maximum Interrupting Capacity
Amps (Asym.)
Amps (Sym.)
100,000
100,000
60,000
60,000
40,000
60,000
60,000
60,000
60,000
60,000
60,000
100,000
100,000
60,000
60,000
130,000
130,000
130,000
130,000
130,000
130,000
130,000
130,000
80,000
80,000
130,000
130,000
130,000
130,000
130,000
80,000
63,000
63,000
40,000
40,000
25,000
40,000
40,000
40,000
40,000
40,000
40,000
63,000
63,000
40,000
40,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
80,000
50,000
50,000
80,000
80,000
80,000
80,000
80,000
50,000
2475V; E-Rated Fuse; Non-Indicating
2450/5500V; E-Rated Fuse; Non-Indicating
5500V; E-Rated Fuse; Non-Indicating
5500V; E-Rated Fuse; Indicating
8300V; E-Rated Fuse; Indicating
15,500V; E-Rated Fuse; Indicating
Fuse clip for 1.56” Diameter Fuses - 1A0835
Fuse clip for 0.75” Diameter Fuses - 1A1837
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 BIF 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 select-
ed, it should be tested by the user in all possible applications.
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