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78
Medium Voltage Fuses
E-rated Fuses for Potential & Small Power Transformers
Data Sheet: 6002
Catalog Numbers
CCaattaalloogg AAmmpp MMaaxxiimmuumm DDiimmeennssiioonnss -- iinn ((mmmm))
NNuummbbeerrss RRaattiinngg DDeessiiggnn VVoollttaaggee IIRR RRMMSS SSyymm.. LLeennggtthh DDiiaammeetteerr
2400V; E-Rated Fuse; Non-Indicating
JCD-
1
⁄2E 0.5 2.75kV 63kA 4.50 (114) 0.80 (20.32)
JCD-1E 1 2.75kV 40kA 4.50 (114) 0.80 (20.32)
JCD-2E 2 2.75kV 40kA 4.50 (114) 0.80 (20.32)
JCD-5E 5 2.75kV 25kA 4.50 (114) 0.80 (20.32)
2450/5500V; E-Rated Fuse; Non-Indicating
JCW-
1
⁄2E 0.5 2.75/5.5kV 40kA 7.312 (185.72) 1.563 (39.70)
JCW-1E 1 2.75/5.5kV 40kA 7.312 (185.72) 1.563 (39.70)
JCW-2E 2 2.75/5.5kV 40kA 7.312 (185.72) 1.563 (39.70)
JCW-3E 3 2.75/5.5kV 40kA 7.312 (185.72) 1.563 (39.70)
JCW-5E 5 2.75/5.5kV 40kA 7.312 (185.72) 1.563 (39.70)
5500V; E-Rated Fuse; Indicating
JCQ-
1
⁄2E 0.5 5.5kV 80kA 9.5 (241.3) 1.6 (40.64)
JCQ-1E 1 5.5kV 80kA 9.5 (241.3) 1.6 (40.64)
JCQ-11⁄2E 1.5 5.5kV 80kA 9.5 (241.3) 1.6 (40.64)
JCQ-3E 3 5.5kV 80kA 9.5 (241.3) 1.6 (40.64)
JCQ-5E 5 5.5kV 80kA 9.5 (241.3) 1.6 (40.64)
JCQ-10E 10 5.5kV 80kA 9.5 (241.3) 1.6 (40.64)
8300V; E-Rated Fuse; Indicating
JCI-
1
⁄2E 0.5 8.3kA 80kA 9.5 (241.3) 1.6 (40.64)
JCI-3E 3 8.3kA 80kA 12.88 (327.15) 1.6 (40.64)
JCI-5E 5 8.3kA 50kA 12.88 (327.15) 1.6 (40.64)
JCI-10E 10 8.3kA 50kA 12.88 (327.15) 1.6 (40.64)
15,500V; E-Rated Fuse; Indicating
JCT-
1
⁄2E 0.5 15.5kV 80kA 12.93 (328.42) 1.6 (40.64)
JCT-1E 1 15.5kV 80kA 12.93 (328.42) 1.6 (40.64)
JCT-1-1⁄2E 1.5 15.5kV 80kA 12.93 (328.42) 1.6 (40.64)
JCT-3E 3 15.5kV 80kA 17.5 (444.5) 1.6 (40.64)
JCT-5E 5 15.5kV 80kA 17.5 (444.5) 1.6 (40.64)
JCT-10E 10 15.5kV 80kA 17.5 (444.5) 1.6 (40.64)
Fuse clip for 1.56 and 1.6 inch diameter fuses - 1A0835.
Fuse clip for 0.81 inch diameter fuses - 1A1837.
JCD, JCW, JCQ, JCI &
JCT
Specifications
Description: Indicating and non-
indicating E-rated medium voltage,
current-limiting fuses for potential
and small power transformers.
Dimensions: See Catalog
Numbers table.
Construction: Plated ferrules.
Ratings:
Volts: — 2.4-15.5kV (See Catalog Numbers table for details)
Amps: —
1
⁄2-10A
IR: — 25-80kA Sym
— 40-130kA ASYM
— See Catalog Numbers table for details
Features and Benefits
• Sized for retrofitting in existing hardware
• Space saving size
Typical Applications
• Primary protection of medium voltage potential transformers
• Primary protection of small medium voltage service
transformers
• Primary protection of small medium voltage control
transformers
