E-RATED MEDIUM VOLTAGE
5.5 kV FUSES
“E”-Rated Power Fuses Having Full Range Clearing Capability for Medium Voltage
Transformer Circuit Protection.
Part
Number
MV055F1CAX5E
MV055F1CAX7E
MV055F1CAX10E
MV055F1CAX15E
MV055F1CAX20E
MV055F1CAX25E
MV055F1CAX30E
MV055F1CAX40E
MV055F1CAX50E
MV055F1CAX65E
MV055F1DAX10E
MV055F1DAX15E
MV055F1DAX20E
MV055F1DAX25E
MV055F1DAX30E
MV055F1DAX40E
MV055F1DAX50E
MV055F1DAX65E
MV055F1DAX80E
MV055F1DAX100E
MV055F1DAX125E
MV055F1DAX150E
MV055F1DAX175E
MV055F1DAX200E
MV055F2DAX250E
MV055F2DAX300E
MV055F2DAX350E
MV055F2DAX400E
Current
Rating
5E
7E
10E
15E
20E
25E
30E
40E
50E
65E
10E
15E
20E
25E
30E
40E
50E
65E
80E
100E
125E
150E
175E
200E
250E
300E
350E
400E
Length
(In)
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
15.75
Dia.
(In)
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
# of
Clip
Barrels Center (In)
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
2
12
2
12
2
12
2
12
MV055 SPECIFICATIONS
E-RATED MEDIUM VOLTAGE FUSES
Meets E-Rating requirements of ANSI C37.46
Meets Full Range requirements of ANSI C37.40.
Voltage Rating:
Interrupting Rating:
Current Limiting
Agency Approvals:
5,500 Volts AC
50kA Maximum Symmetrical Amps
UL Pending
BENEFITS:
• Standard clip center lengths and barrel diameters.
• Standard blown fuse indication. For heavy striker pin
replace “X” in part number with “H”.
• 100% tested for reliability.
• Suitable for indoor or outdoor usage.
• Full Range capability.
APPLICATIONS:
• For transformer and feeder protection.
RECOMMENDED FUSECLIPS:
Refer to page 120 in this catalog.
Part Number Construction
Medium
Voltage
Example
MV
Voltage
Rating
055
055 = 5.5KV
155 = 15.5KV
F
F = Full Range
# of
Barrels
1
1
2
Barrel
Diameter
C
C = 2 in.
D = 3 in.
Clip Center
Distance
A
A = 12 in.
B = 15 in.
C = 18 in.
Indication
Type
X
X = Indicator
H = Striker Pin
Ampere
Rating
5E
NEW EDISON
MV055F1CAX
MV055F1DAX
MV055F1DAX
MV055F2DAX
OLD EDISON
—
5.5FFNHA or K
5.5BFNHA
5.5BFNHK
BUSSMANN
—
JCY (30-200)
—
JCY (250-400)
CROSS REFERENCE
GOULD (old/new)
A550X – 1B/A055F1CORO
A550X – 1F/A055F1DORO
—
A550X – 1/A055F2DORO
WESTINGHOUSE
—
151D978G01 thru G08
5HLExxxE – 1
151D978G11 thru G13
GE (old/new)
—
9F60FJDxxx/9F62DCBxxx
—
9F60GHC (250-400)
118
E-RATED MEDIUM VOLTAGE
5.5 kV FUSES
“E”-Rated Medium Voltage Fuses for Transformer and Feeder Protection.
Time-Current Characteristics–
Minimum Melt
AMPERE
RATING
100
5A
7A
10A
15A
20A
25A
30A
40A
50A
65A
Time-Current Characteristics–Total Clear
AMPERE
RATING
10A
100
10
10
TIME IN SECONDS
TIME IN SECONDS
1
1
.1
.1
10
100
7000
1000
CURRENT IN AMPERES
CURRENT IN AMPERES
MV055F1CAX
15.75"
14.74"
0.38"
2.00"
1.25"
1.25"
12.00"
CLIP CENTER
POSITION OF
BLOWN INDICATOR
AFTER OPERATING
MV055F1CAH (with optional striker pin)
15.75"
14.74"
0.63"
2.00"
1.25"
12.00"
CLIP CENTER
0.25"
.512" + .118"
1.25"
0.38"
2.03"
POSITION OF
STRIKER PIN
AFTER OPERATING
2.03"
0.63"
1000
119
7000
10
100
.01
.01
15A
20A
25A
30A
40A
50A
65A
5A
7A
E-RATED MEDIUM VOLTAGE
5.5 kV FUSES
“E”-Rated Medium Voltage Fuses for Transformer and Feeder Protection.
Time-Current Characteristics–
Minimum Melt
100A
10A
15A
20A
25A
30A
40A
50A
65A
80A
Time-Current Characteristics–Total Clear
10A
AMPERE
RATING
100
15A
20A
25A
30A
40A
50A
65A
80A
100A
AMPERE
RATING
100
10
10
TIME IN SECONDS
1
TIME IN SECONDS
10
100
7000
1
.1
.1
10
100
1000
CURRENT IN AMPERES
CURRENT IN AMPERES
MV055F1DAX
15.75"
14.74"
0.38"
3.00"
1.25"
1.25"
12.00"
CLIP CENTER
POSITION OF
BLOWN INDICATOR
AFTER OPERATING
MV055F1DAH (with optional striker pin)
15.75"
14.74"
0.63"
3.00"
1.25"
12.00"
CLIP CENTER
0.25"
.512" + .118"
1.25"
0.38"
2.40"
POSITION OF
STRIKER PIN
AFTER OPERATING
2.40"
0.63"
120
1000
7000
.01
.01
E-RATED MEDIUM VOLTAGE
5.5 kV FUSES
“E”-Rated Medium Voltage Fuses for Transformer and Feeder Protection.
Maximum Peak Let-through Current Curves
B
Maximum Peak Arc Voltage for “E”-rated Full Range Power
Fuse (Edison)
50
10
MAXIMUM LET-THRU (Peak Kiloamperes)
MAXIMUM PEAK ARC VOLTAGE (KV)
100A &
125A
80A
65A
50A
30A & 40A
25A
20A
15A
7A & 10A
5A
AMPERE
RATING
50
40
30
1
20
A
10
.1
1
10
AVAILABLE CURRENT IN KILOAMPERES
(RMS Symmetrical)
0
0
5
10
15
20
20
.1
CIRCUIT VOLTAGE (KV)
Recommended Fuse Clips for Medium Voltage Fuses
Part
Fuse
Clip Dimensions
No.
Diameter
A
B
C
D
E
F
G
A3354710
2”
3.74” 1.97” 2.00” 1.18” 4.53” 1.50” .39”
A3354730
3”
4.13” 2.44” 3.00” 1.18” 5.63” 1.50” .39”
Fuseclips are for single barrel applications only.
A
F
C
G
B
E
D
121
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