Technical Data 10350
Effective October 2019
Supersedes April 2015
BUSSMANN
SERIES
2.75kV E-Rated medium voltage fuses for feeder
circuit, switchgear and transformer protection
Features and benefits
•
Current-limiting E-Rated medium voltage
fuses are defined by their melting time-current
characteristic that permit their electrical
interchangeability with other fuses of the same
E Rating.
•
E-Rated fuses must have a defined current
response time specified by ANSI C37.46.
E-Rated fuse of 100 amps and below must
melt in 300 seconds at an RMS current within
the range of 200% to 240% of the fuse’s
nameplate current rating. E-Rated fuses greater
than 100 amps must melt in 600 seconds at an
RMS current within the range of 220% to 264%
of the fuse’s nameplate current rating.
•
E-Rated fuses are physically dimensioned for
easy installation in existing hardware.
•
Current-limiting fuses provide positive
interruption even on low fault currents. The
fuse limits the magnitude of electromechanical
stresses in the protected apparatus.
•
Open fuse indicator speeds troubleshooting
by providing a positive visual indication of fuse
operation.
•
50/60Hz operating frequency for worldwide
application.
•
Mountings are available in disconnect and nondisconnect versions with porcelain or glass polyester insulators.
•
Live parts and end fittings available.
Description:
•
E-Rated, current-limiting, medium voltage fuses
for feeder circuit, switchgear and transformer
protection.
Typical applications:
•
Medium voltage transformer primary
protection
•
Medium voltage feeder circuit protection
•
Medium voltage switches
•
Medium voltage metal-enclosed switchgear
Technical Data 10350
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
Effective October 2019
2.75kV E-Rated medium voltage ferrule fuses
Dimensions (see catalog number tables for values)
C
Catalog symbols:
•
2CLE-_E
•
JCX-_E
B
Ratings:
•
Volts — 2.75kV
•
Amps — 10 to 450A
•
Interrupting ratings
• 50kA RMS Sym (2CLE-_E)
•
3.31
(84.1)
B
40kA RMS Sym (JCX-_E)
Agency information:
•
A
E-Rated fuses meet the performance characteristics of
ANSI C37.46
Recommended fuse holders:
CLE
Catalog number
Approximate dimensions - in (mm)
Fuse
mounting
type*
Amp rating
Voltage
BIL (kV)
Diameter
A
Clip center
B
Length
C
Mounting
(including live parts, end fittings)**
Porcelain
insulator
Glass-polyester
insulator
Live parts
(including end
fittings)
End fittings
(disconnect
only)
2CLE-PNM-C
2CLE-GNM-C
CLE-NL-C
—
2CLE-PDM-C
2CLE-GDM-C
CLE-DL-C
CLE-DF-C
2CLE-PNM-D
2CLE-GNM-D
CLE-NL-D
—
2CLE-PDM-D
2CLE-GDM-D
CLE-DL-D
CLE-DF-D
2CLE-PNM-E
2CLE-GNM-E
CLE-NL-E
—
2CLE-PDM-E
5CLE-GDM-E
CLE-DL-E
CLE-DF-E
CLE
15E–25E
Single barrel
Non-disconnect
60
Disconnect†
60
10E–225E
Single barrel
Non-disconnect
60
Disconnect†
60
250E–300E
350X-450X
Double barrel
Non-disconnect
60
Disconnect†
60
2 (51)
8.1 (206)
9.5 (241)
3 (76)
7 (178)
10.9 (277)
3 (76)
7 (178)
10.9 (277)
* See page 9 for illustrations and dimensions.
** End fittings supplied only when required.
† Disconnect mountings provide a means for fuse extraction only. Do not use a disconnect mounting for load switching or fuse removal while energized.
Recommended fuseclips:
Clip dimensions - in (mm)
Fuse
diameter in (mm)
2 (51)
3 (76)
3 (76)
3 (76)
Description
Enclosed fuseclip
Enclosed fuseclip
Open fuseclip
Spring loaded open fuseclip
Figure
1
1
2
3
A
3.75 (95)
4.14 (105)
B
1.98 (50)
2.45 (62)
C
D
E
F
2.01 (51) 1.19 (30) 4.54 (115) 1.51 (38)
3.01 (76) 1.19 (30) 5.64 (143) 1.51 (38)
See dimensions drawing
See dimensions drawing
*For single barrel applications only. Not sold in pairs.
Figure 1
Figure 2
C
A
D
B
G
F
E
2
Eaton.com/bussmannseries
Figure 3
Catalog
G
number
0.4 (10) A3354710*
0.4 (10) A3354730*
1A0065
9078A67G04
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
Technical Data 10350
Effective October 2019
CLE and JCX
Amp rating
1
Length
A
9.2 (234)
2
3
5
7
10
10
15
20
25
30
40
50
65
80
100
125
150
200
225
250*
300*
350**
400**
450**
9.2 (234)
9.2 (234)
9.2 (234)
9.2 (234)
9.2 (234)
10.9 (277)
9.5 (241)
9.5 (241)
9.5 (241)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
10.9 (277)
Dimensions - in (mm)
Diameter
Clip centers
B
C
2 (51)
7 (178)
2
2
2
2
2
3
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
(51)
(51)
(51)
(51)
(51)
(76)
(51)
(51)
(51)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
(76)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
8.1 (206)
8.1 (206)
8.1 (206)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
7 (178)
Interrupting
rating kA
(RMS Sym.)
40
Number of
barrels
1
Installation
location
Indoor/outdoor
Catalog
number
JCX-1E
40
40
40
40
40
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
Indoor/outdoor
Indoor/outdoor
Indoor/outdoor
Indoor/outdoor
Indoor/outdoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
Indoor
JCX-2E
JCX-3E
JCX-5E
JCX-7E
JCX-10E
2CLE-10E
2CLE-15E
2CLE-20E
2CLE-25E
2CLE-30E
2CLE-40E
2CLE-50E
2CLE-65E
2CLE-80E
2CLE-100E
2CLE-125E
2CLE-150E
2CLE-200E
2CLE-225E
2CLE-250E
2CLE-300E
2CLE-350X
2CLE-400X
2CLE-450X
* 250A and 300A ratings may also be applied at 280 and 325 amps respectively, but fuses will no longer be complaint with ANSI E Rating criteria.
** Does not comply with ANSI C37.46 for “E” rating.
Eaton.com/bussmannseries
3
Technical Data 10350
Effective October 2019
2.75kV Time-current curves — minimum melt for JCX-_E
4
Eaton.com/bussmannseries
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
Technical Data 10350
Effective October 2019
2.75kV Time-current curves — total clear for JCX-_E
Eaton.com/bussmannseries
5
Technical Data 10350
Effective October 2019
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
2.75kV Time-current curves — minimum melt for 2CLE-_E and 2CLE-_X
2CLE-_
6
Eaton.com/bussmannseries
Curve 53653202
July 2001
Reference # 563532
Curve 53686104
July 2001
Reference # 536861
Curve 53690002
July 2001
Reference # 536900
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
Technical Data 10350
Effective October 2019
2.75kV Time-current curves — total clear for 2CLE-_E and 2CLE-_X
2CLE-_
Curve 56353302
July 2001
Reference # 563533
Curve 53690102
Curve 53686204
July 2001
July 2001
Reference # 536862 Reference # 536901
Eaton.com/bussmannseries
7
Technical Data 10350
Effective October 2019
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
2.75kV Peak let-through for 2CLE-_E and 2CLE-_X
2CLE-_
8
Eaton.com/bussmannseries
Curve 63931702
July 2001
Reference # 639317
Curve 63931704
May 2002
Reference # 639317
Curve 63931802
July 2001
Reference # 639318
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
Technical Data 10350
Effective October 2019
CLE Type mountings - in (mm)
Hole centers
Catalog
number
A
B
2CLE-GDM-C
2CLE-GDM-D
2CLE-PDM-C
2CLE-PDM-D
9.37
8.24
9.37
8.24
(238.0)
(209.3)
(238.0)
(209.3)
6
6
6
6
2CLE-GDM-E
2CLE-PDM-E
8.24 (209.3)
8.24 (209.3)
6 (152.4)
6 (152.4)
2CLE-GNM-C
2CLE-PNM-C
2CLE-GNM-D
2CLE-PNM-D
9.37
9.37
8.24
8.24
6
6
6
6
2CLE-GNM-E
2CLE-PNM-E
8.24 (209.3)
8.24 (209.3)
(238.0)
(238.0)
(209.3)
(209.3)
(152.4)
(152.4)
(152.4)
(152.4)
(152.4)
(152.4)
(152.4)
(152.4)
6 (152.4)
6 (152.4)
Overall length
Hole Inset
Hole centers
C
D
E
Disconnect single barrel†
22.13 (562.1)
0.75 (19.0)
1.75 (44.4)
18 (457.2)
0.62 (15.7)
1.75 (44.4)
22.13 (562.1)
0.75 (19.0)
1.75 (44.4)
18 (457.2)
0.62 (15.7)
1.75 (44.4)
Disconnect double barrel†
18 (457.2)
0.62 (15.7)
1.75 (44.4)
18 (457.2)
0.62 (15.7)
1.75 (44.4)
Non-disconnect single barrel
18.63 (473.2)
0.75 (19.0)
1.75 (44.4)
18.63 (473.2)
0.75 (19.0)
1.75 (44.4)
18 (457.2)
0.62 (15.7)
1.75 (44.4)
18 (457.2)
0.62 (15.7)
1.75 (44.4)
Non-disconnect double barrel
18 (457.2)
18 (457.2)
0.62 (15.7)
0.62 (15.7)
CLE Type disconnect mounting†
1.75 (44.4)
1.75 (44.4)
Contact
height
F
Overall height
G
BIL
kV
(114.3)
(114.3)
(114.3)
(114.3)
9.75 (247.6)
11.72 (297.7)
9.75 (247.6)
11.72 (297.7)
60
60
60
60
4.5 (114.3)
4.5 (114.3)
15.28 (388.1)
15.28 (388.1)
60
60
4.5
4.5
4.5
4.5
7.25 (184.1)
7.25 (184.1)
8.79 (223.3)
8.79 (223.3)
60
60
60
60
12.48 (317.0)
12.48 (317.0)
60
60
4.5
4.5
4.5
4.5
(114.3)
(114.3)
(114.3)
(114.3)
4.5 (114.3)
4.5 (114.3)
CLE Type non-disconnect mounting
G
G
F
D
F
D
E
E
C
A
A
C
E
E
D
B
D
B
† Disconnect mountings provide a means for fuse extraction only. Do not use a
disconnect mounting for load switching or fuse removal while energized.
Eaton.com/bussmannseries
9
Technical Data 10350
2.75kV E-Rated medium voltage fuses for
feeder circuit, switchgear and transformer protection
Effective October 2019
The only controlled copy of this Data Sheet is the electronic read-only version located on the 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 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 selected, it should be tested by the user in all possible applications.
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
Eaton.com
Bussmann Division
114 Old State Road
Ellisville, MO 63021
United States
Eaton.com/bussmannseries
© 2019 Eaton
All Rights Reserved
Printed in USA
Publication No. 10350
October 2019
10
Eaton and Bussmann are valuable trademarks
of Eaton in the U.S. and other countries. You
are not permitted to use the Eaton trademarks
without prior written consent of Eaton.
ANSI is a registered trademark of the
American National Standards Association
IEEE is a registered trademark of the Institute
of Electrical and Electronics Engineers
NEMA is a registered trademark of the
National Electrical Mfgrs. Association
NFPA is a registered trademark of the National
Fire Protection Association
UL is a registered trademark of the
Underwriters Laboratories, Inc.
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