Medium Voltage Fuses
E-rated fuses for potential & small power transformers
IR: — 25-80kA Sym
JCD, JCW, JCE, JCQ,
JCI & JCT
— 40-130kA ASYM
— See Catalog Numbers table for details
Specifications
Features and Benefits
• • Sized for retrofitting in existing hardware
• Space saving size
Description: Indicating and non-
indicating E-rated medium voltage,
current-limiting fuses for potential &
small power transformers.
Typical Applications
• Primary protection of medium voltage potential transformers
• Primary protection of small medium voltage service trans-
formers
• Primary protection of small medium voltage control trans-
formers
Dimensions: See Catalog
Numbers table.
Construction: plated ferrules.
Ratings:
Volts: — 2.4-15.5kV (See Catalog Numbers table for details)
1
Amps: — ⁄
2-10A
Catalog Numbers
Catalog
Amp
Maximum
Design Voltage Construction
Maximum Interrupting Capacity
Amps (Asym.) Amps (Sym.)
Dimensions - in (mm)
Numbers
Rating
Length
Diameter
2400V; E-Rated Fuse; Non-Indicating
1
JCD- ⁄
2E
0.5
1
2750
2750
2750
2750
Single
Single
Single
Single
100,000
63,000
63,000
40,000
63,000
40,000
40,000
25,000
4.50 (114)
4.50 (114)
4.50 (114)
4.50 (114)
0.80 (20.32)
0.80 (20.32)
0.80 (20.32)
0.80 (20.32)
JCD-1E
JCD-2E
JCD-5E
2
5
2450/5500V; E-Rated Fuse; Non-Indicating
1
JCW- ⁄
2E
0.5
1
2750/5500
2750/5500
2750/5500
2750/5500
2750/5500
2750/5500
Single
Single
Single
Single
Single
Single
60,000
60,000
60,000
60,000
60,000
60,000
40,000
40,000
40,000
40,000
40,000
40,000
7.312 (185.72)
7.312 (185.72)
7.312 (185.72)
7.312 (185.72)
7.312 (185.72)
7.312 (185.72)
1.563 (39.70)
1.563 (39.70)
1.563 (39.70)
1.563 (39.70)
1.563 (39.70)
1.563 (39.70)
JCW-1E
JCW-2E
JCW-3E
JCW-4E
JCW-5E
2
3
4
5
5500V; E-Rated Fuse; Non-Indicating
1
JCE- ⁄
2E
0.5
1
5500
5500
5500
5500
5500
5500
Single
Single
Single
Single
Single
Single
60,000
60,000
60,000
60,000
60,000
60,000
50,000
50,000
50,000
50,000
50,000
50,000
5.625 (142.88)
5.625 (142.88)
5.625 (142.88)
5.625 (142.88)
5.625 (142.88)
5.625 (142.88)
0.81 (20.32)
0.81 (20.32)
0.81 (20.32)
0.81 (20.32)
0.81 (20.32)
0.81 (20.32)
JCE-1E
JCE-2E
JCE-3E
JCE-4E
JCE-5E
2
3
4
5
5500V; E-Rated Fuse; Indicating
1
JCQ- ⁄
2E
0.5
1
5500
5500
5500
5500
5500
5500
Single
Single
Single
Single
Single
Single
130,000
130,000
130,000
130,000
130,000
130,000
80,000
80,000
80,000
80,000
80,000
80,000
9.5 (241.3)
9.5 (241.3)
9.5 (241.3)
9.44 (239.78)
9.5 (241.3)
9.5 (241.3)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
JCQ-1E
JCQ-11⁄2E
JCQ-3E
JCQ-5E
JCQ-10E
1.5
3
5
10
8300V; E-Rated Fuse; Indicating
1
JCI- ⁄
2E
0.5
3
8300
8300
8300
8300
Single
Single
Single
Single
130,000
130,000
130,000
130,000
80,000
80,000
80,000
80,000
9.5 (241.3)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
JCI-3E
JCI-5E
JCI-10E
12.88 (327.15)
12.88 (327.15)
12.88 (327.15)
5
10
15,500V; E-Rated Fuse; Indicating
1
JCT- ⁄
2E
0.5
1
15500
15500
15500
15500
15500
15500
Single
Single
Single
Single
Single
Single
130,000
130,000
130,000
130,000
130,000
130,000
80,000
80,000
80,000
80,000
80,000
80,000
12.93 (328.42)
12.93 (328.42)
12.93 (328.42)
17.5 (444.5)
17.5 (444.5)
17.5 (444.5)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
1.6 (40.64)
JCT-1E
JCT-11⁄2E
JCT-3E
JCT-5E
JCT-10E
1.5
3
5
10
Fuse clip for 1.6 inch Diameter Fuses - 1A0835.
Fuse clip for 0.81 inch Diameter Fuses - 1A1837.
Data Sheet: 6002
For product Data Sheets, visit www.cooperbussmann.com/products/datasheet.asp
74