Low Voltage Fuses
BLC, CR and CS types
Super Rapid Fuses
BLC, CR and CS types
Super Rapid Fuses
150–1500 Volts AC
10–4700 Amps
I
Description
The FUJI BLC, CR and CS types are
extremely reliable fuses which have
been specially developed to provide
protection for silicon diodes and
thyristors and are suitable for inverters
using semiconductors or transformers-
rectifiers. FUJI Super Rapid Fuses are
designed with a very small total I
2
t
value which gives them a high speed
interrupting action in the face of
abnormal currents.
In addition the arc voltage generated at
the time of interruption has a low value
so that faults will not influence related
electric machinery and equipment.
These fuses can carry out the
protection of many types of circuits
rating from the semiconductor
overcurrents to destructive short-
circuiting faults-i.e. when the
SD-36
SM-388
SI-431
SI-429
BLC
CR2L
CS5F
CS10F
semiconductors short or circuits fail the
sound elements will be quickly isolated
from the fault circuits.
Features
• The total clearing I
2
t is small and the
semiconductor circuit is completely
protected.
• Since the peak arc voltage at the
time of interruption is low damage to
other equipment does not occur.
I
• High interrupting capacity of 200kA
at 1000V AC
• The CS type is provided with a blown
fuse indicator. An alarm contact
block (1NO or 1NC) can also be
attached.
I
UL recognized:
CR2L/UL,CR2LS/UL,
CR6L/UL
(File No. E92312)
CSA certificated:
CR2LS/UL
(File No. LO4000-4090)
TÜV:
CR2LS/UL (10-100A),
CR2L/UL (150-350A)
(Rep. No. E9450643E02)
CR6L/UL (50-300A)
(Rep. No. E9560543E02)
Watt
loss
(W)
1.2
3.0
4.0
6.0
9.0
12.0
4.0
7.0
9.0
12.5
15
22.0
34.0
37.0
40.0
45.0
55
60
70
Fuse-link
Type
CR2LS-10
CR2LS-20
CR2LS-30
CR2LS-50
CR2LS-75
CR2LS-100
CR6L-20
CR6L-30
CR6L-50
CR6L-75
CR6L-100
CR6L-150
CR6L-200
CR6L-250
CR6L-300
CR6L-350
CR6L-400
CR6L-500
CR6L-600
I
Specifications
Rated Peak
voltage arc
voltage
(V)
550V
1550
AC 1550
1550
1380
1250
1250
1200
1200
250V
Max.
AC 500
Max.
interrupting I
2
t
(Amp
2
×sec.)
Rated
current
(A)
12
20
23
45
75
90
120
140
30
50
75
100
125
140
150
175
200
225
260
300
325
350
400
450
500
550
600
Watt
loss
(W)
5.1
8.5
10
19
32
38
51
59
4.0
6.0
9.0
12.0
14.0
16.0
18.0
21.0
23.0
26.0
30.0
35.0
37.0
37.0
39.0
46.0
48.0
51.0
56.0
Fuse-link
Type
BLC012-1
BLC020-1
BLC023-1
BLC045-1
BLC075-1
BLC090-1
BLC120-1
BLC140-1
CR2L-30
CR2L-50
CR2L-75
CR2L-100
CR2L-125
CR2L-140
CR2L-150
CR2L-175
CR2L-200
CR2L-225
CR2L-260
CR2L-300
CR2L-325
CR2L-350
CR2L-400
CR2L-450
CR2L-500
CR2L-550
CR2L-600
Rated
current
(A)
10
20
30
50
75
100
20
30
50
75
100
150
200
250
300
350
400
500
600
×
10
3
0.09
0.27
0.39
1.8
5
11.5
33
100
0.35
0.85
2.3
4.0
6.5
7.0
9.5
13
17
22
27
38
49
60
103
140
160
200
215
Rated Peak
Max.
voltage arc
interrupting I
2
t
voltage
(Amp
2
×sec.)
×
10
3
(V)
250V
Max.
0.04
AC 500
0.17
0.35
0.85
2.3
4.0
600V
Max.
0.14
AC 1200
0.35
1.8
3.0
7.0
18
30
70
95
150
200
390
700
08
Interrupting capacity
CR2LS . 100kA at 250V AC
CR6L .... 100kA at 600V AC
Interrupting capacity
BLC ...... 100kA at 550V AC
CR2L .... 100kA at 250V AC
Fuji Electric FA components & Systems Co., Ltd./D & C Catalog
Information subject to change without notice
08/35
Low Voltage Fuses
BLC, CR and CS types
Super Rapid Fuses
I
Specifications
Max.
Watt
interrupting I
2
t loss
(Amp
2
×sec.)
I
Specifications
(UL-recognized, CSA certified, TÜV)
Inter-
rupting
capacity
Max.
interrupting I
2
t
(Amp
2
×sec.)
Rated Inter-
current rupting
capacity
(A)
4700
2000
3000
40
75
100
150
200
250
300
350
400
450
500
600
800
1000
1000
1200
1200
1500
1000
1200
1500
80
100
150
200
250
300
350
400
500
560
630
750
800
1000
1250
1500
450
630
900
1250
Note:
Fuse-link
Type
Rated Rated
current voltage
(A)
10
20
30
50
75
100
150
200
260
350
400
450
500
550
600
20
30
50
75
100
150
200
300
Note:
Watt
loss
(W)
1.2
3.0
4.0
6.0
9.0
12.0
18.0
23.0
30.0
37.0
39.0
46.0
48.0
51.0
56.0
4.0
7.0
9.0
12.5
15.0
22.0
34.0
40.0
Fuse-link
Type
CR2LS-10/UL
CR2LS-20/UL
CR2LS-30/UL
CR2LS-50/UL
CR2LS-75/UL
CR2LS-100/UL
CR2L-150/UL
CR2L-200/UL
CR2L-260/UL
CR2L-350/UL
CR2L-400/UL
CR2L-450/UL
CR2L-500/UL
CR2L-550/UL
CR2L-600/UL
CR6L-20/UL
CR6L-30/UL
CR6L-50/UL
CR6L-75/UL
CR6L-100/UL
CR6L-150/UL
CR6L-200/UL
CR6L-300/UL
(kA)
150 at
125V AC
150 at
250V AC
200 at
500V AC
×
10
3
14000
(W)
310
124
216
6.4
12
17
25
34
42
45
56
57
62
73
80
114
110
167
114
200
209
125
176
220
17
21
27
37
44
53
70
74
90
102
135
156
211
245
330
334
134
170
280
350
CS1F-4700
CS2F-2000
CS2F-3000
CS5F-40
CS5F-75
CS5F-100
CS5F-150
CS5F-200
CS5F-250
CS5F-300
CS5F-350
CS5F-400
CS5F-450
CS5F-500
CS5F-600
CS5F-800
CS5F-1000
CS5F-1000-P
CS5F-1200
CS5F-1200-P
CS5F-1500
CS8F-1000
CS8F-1200
CS8F-1500
CS10F-80
CS10F-100
CS10F-150
CS10F-200
CS10F-250
CS10F-300
CS10F-350
CS10F-400
CS10F-500
CS10F-560
CS10F-630
CS10F-750
CS10F-800-P
CS10F-1000-P
CS10F-1250-P
CS10F-1500-C
CS15F-450
CS15F-630
CS15F-900-P
CS15F-1250-P
1950
5500
1
3.5
5
10
18.5
33
64
85
122
131
159
257
600
1200
843
1800
1311
3600
200 at
1800
800V AC 2500
4400
200 at
10
1000V AC 16
37
63
110
148
211
307
420
410
450
640
1259
1722
2250
3200
100 at
350
1500V AC 760
1400
3050
(kA)
250V AC 10 at AC
400V DC (pf: 0.8)
10 at DC
(L/R: 2ms)
×
10
3
0.04
0.17
0.35
0.85
2.3
4.0
9.5
17
27
60
103
140
160
200
215
0.14
0.35
1.8
3.0
7.0
18
30
95
600V AC 100 at AC
680V DC (pf: 0.8)
10 at DC
(L/R: 2ms)
100 at AC
(pf: 0.8)
50 at DC
(L/R: 2ms)
• Peak arc voltage
CR2LS, CR2L .... Max. 500V
CR6L .................. Max. 1200V
• The peak arc voltage is obtained by interruption caused by the listed
interrupting current at rated voltage.
• This indcates the values when the conductors specified in UL
Standards are connected and rated current apply.
• TÜV: CR2LS, 2L: Up to 350A
CR6L: 50 to 300A
I
CR type fuse with optional accessory
Fuse with blown indication fuse
CR2L (S)- G
• Peak arc voltage
CS1F ..... Max. 450V
CS2F ..... Max. 750V
CS5F ..... Max. 1000V
CS8F ..... Max. 2000V
CS10F ... Max. 2000V
CS15F ... Less than 3000V
• An alarm contact block AHX2905 (1NO) or AHX2915 (1NC) can be
attached to CS type. (Sold separately)
See page 08/44.
AF88-446
Note: UL recognized fuse
In the UL recognized fuses, a fuse with a blown inidcation fuse, or a
fuse both with a blown indication fuse and a precision switch is also
UL recognized.
Examples: CR2L-200G/UL
CR2LS-30S/UL
CR6L-100G/UL
Fuse with blown indication fuse and precision switch
Precision switch (SPDT)
CR2L (S)- S
CRX-1
precision switch
AF88-445
AF88-442
08/36
Fuji Electric FA components & Systems Co., Ltd./D & C Catalog
Information subject to change without notice
Low Voltage Fuses
BLC, CR and CS types
Super Rapid Fuses
I
G
Dimensions, mm
BLC
BLC012, 020, 023
BLC045
BLC075 to 140
G
CR2L-450 or smaller, CR2LS
D
B
A
A
B
B
B
E
øD
A
øD
øD
C
ød
ød
ød
H
Mounting hole a
×
b
F
Type
Rated
current
(A)
A
B
øD
ød
Color of
indicator
Grey
Yellow
Violet
White
Silver
Red
Yellow
Light red
Mass
(g)
12
12
12
62
120
120
120
215
Blown indicatin
fuae (G type)
BLC012-1 12
BLC020-1 20
BLC023-1 23
BLC045-1 45
BLC075-1 75
BLC090-1 90
BLC120-1 120
BLC140-1 140
Note:
50
50
50
50
63
63
63
63
10
10
10
10
6
6
6
6
13
13
13
27
34
34
47
47
10
14
14
20
5
8
8
8
G
A
Type
CR2L-30
CR2L-50
CR2L-75
CR2L-100
CR2L-125
CR2L-140
CR2L-150
CR2L-175
CR2L-200
CR2L-225
CR2L-260
CR2L-300
CR2L-325
CR2L-350
CR2L-400
CR2L-450
CR2LS-10
CR2LS-20
CR2LS-30
CR2LS-50
CR2LS-75
CR2LS-100
G
A
B
C
18
20
D
E
a×b
9×11
9×11
F
G
H
Mass
42g
80 58
80 58
21.5 37
30.5 44
90 1.5 26.5
90 3
The BLC type fuse link requires a holder in use. The size of the
holder differs according to the fuse ratings. Select the most suitable
one after referring to the Table on
page 08/44.
For drawings see
page 08/32.
32.5 100g
85 60
25
33.5 47
11×13 93 3.2 33.5 130g
I
Ordering information
Specify the following:
1. Type number
Type number nomenclature
BLC 012-1
Rated current:
12 to 140A
Plug-in type super rapid fuse
95 70
30
42
54
11×13 98 4
39
220g
I
56 42
12
18.5 34.5 6.5×8.5 78 2
25
28g
CS 10F-1000
-P/ UL
UL recognized (CR2L, CR2LS, CR6L)
CSA certificated (CR2LS)
TÜV (CR2LS, CR2L, CR6L)
2-fuse connected parallel
Optional accessory
(See page 08/44)
G: With blown indication fuse
S: With blown indication fuse
and precision switch
Rated current
10 to 4700A
Rated voltage
2L, 2LS: 250V AC,
1F:
150V AC,
5F:
500V AC,
10F:
1000V AC,
CR2L-500 to -600
84
70
31
08
54
28
46.5
Mounting hole 11×13
41.5
43
46
Blown indication
fuse (G type)
98
84
6L:
2F:
8F:
15F:
600V AC
250V AC
800V AC
1500V AC
CR: Barrel-shaped super rapid fuse
CS: Cubic-shaped super rapid fuse
Mass: 450g
95
Dimensions for reference only. Confirm before construction begins.
Note: The dimensions of the fuses with suffix. UL are the same as those of the
standard ones.
Fuji Electric FA components & Systems Co., Ltd./D & C Catalog
Information subject to change without notice
8
08/37
ø37
30
Low Voltage Fuses
BLC, CR and CS types
Super Rapid Fuses
I
G
Dimensions, mm
CR6L-20, CR6L-30, CR6L-50
62
18.5
47
G
CR6L-75 to 300
D
B
G
CR6L-350 to 600
84
46.5
30
B
ø37
54
ø17.5
12
34.5
18
27
E
C
Mountng hole a
×
b
23.5
25
Mountng hole 6.5×8.5
88
74
H
Blown indication
fuse (G type)
F
41.5
43
46
Mountng hole 11×13
Blown indication
D
fuse (G type)
28
Blown indication
fuse (G type)
2
G
Mass: 42g
Type
CR6L-75
CR6L-100
CR6L-150
A
B
C
25
76
A
C
A
D
34
E
F
G
H
a×b
Mass (g)
Type
CR6L-350
CR6L-400
CR6L-500
A
107
121
121
B
82
96
96
C
43
43
47.4
D
107
114
114
Mass (g)
493
522
545
95 70
47 102 3.2 33.5 11×13 150
CR6L-200 107 82
CR6L-250
CR6L-300
30
42
54 107 4
39
11×13 246
CR6L-600
G
CS1F-4700
CS2F-2000, 3000
G
CS5F-40 to 1500
CS10F-80 to 750
CS15F-450, 630
7
Alarm contat block
G
CS8F-1000, 1200, 1500
Alarm contact block
Alarm contact block
AHX2905(NO)
AHX2915(NC)
Blown fuse indicator
Blown fuse indicator
7
D
Blown fuse
indicator
7
84 max.
7
8
C
54.5
N.P.
72
30
M
A
B
30
A
A
A
C
B
72
2-MIO
51
M
Mass: 800g
Voltage Type
500V
CS5F-40
CS5F-75
CS5F-100
CS5F-150
CS5F-200
CS5F-250
CS5F-300
CS5F-350
CS5F-400
CS5F-450
CS5F-500
CS5F-600
CS5F-800
CS5F-1000
CS5F-1200
CS5F-1500
A
47
B
47
C
42.5
D
(Max.)
M
Mass
(g)
320
Voltage Type
800V
CS8F-1000
CS8F-1200
CS8F-1500
1000V
CS10F-80
CS10F-100
CS10F-150
CS10F-200
CS10F-250
CS10F-300
CS10F-350
CS10F-400
CS10F-500
CS10F-630
CS10F-750
1500V
CS15F-450
CS15F-630
A
72
72
47
57
B
74
82
71
74
C
54.5
54.5
42.5
47
D
(Max.)
M
M12
M8
M8
M8
Mass
(g)
1060
1150
420
690
65.5 M8
84
84
65.5
70
57
51
47
70
M8
510
72
51
54.5
77
M10
800
72
74
54.5
77
M10
1060
72
51
54.5
77
M12
830
72
105
54.7
77
M10
1400
08/38
Fuji Electric FA components & Systems Co., Ltd./D & C Catalog
Information subject to change without notice
D
Low Voltage Fuses
BLC, CR and CS types
Super Rapid Fuses
I
G
Dimensions, mm
CS5F-P CS10F-P, CS15F-P
M10
7
I
Characteristic curves
BLC
Melting time-current characteristic
Alarm contat block
7
max.77
72
40
H
L
N.P.
54.5
72
ø15
86
158
Time
5
Voltage
500V
1000V
Type
CS5F-1000-P
CS5F-1200-P
CS10F-800-P
CS10F-1000-P
CS10F-1250-P
CS15F-900-P
CS15F-1250-P
H
51
74
L
69
92
Mass (g)
1900
2420
Second
Minute
1500V
105
123
3100
Current (A)
G
CS10F-1500-C
7
max.77
7
M10
M10
Operating time-current characteristic
74
99
Alarm
contat
block
M10
107
108
89.5
Second
5
Time
Minute
ø15
72
Mass: 2500g
40
72
08
Current (A)
Current-limiting characteristic
Max. Let-through current (Peak value) kA
Available current (Sym, rms) I eff. (kA)
Fuji Electric FA components & Systems Co., Ltd./D & C Catalog
Information subject to change without notice
08/39
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