Bussmann
®
HRCI-J Fast-Acting
Ceramic Body, Class J
Dimensional Data
A
B
C
B
CJB
1CJB TO 60CJB
E
J
C
D
B
A
K
F
H
CATALOG SYMBOL: CJB
CERAMIC BODY FUSE
600 A.C. OR LESS
250 D.C.
FAST-ACTING
200,000A I.R.
CSA C22.2 NO. 106 M92
BS88:2, IEC269:2
70CJB TO 600CJB
G
• Industrial duty fuses with ceramic bodies.
• The excellent current limiting characteristics of fast-acting
HRCI-J fuses limits damage to equipment and installations by
the thermal and magnetic energy associated with a large
short-circuit fault current.
• Overload characteristics limit cable damage due to low over-
load currents.
Ratings, Categories and Dimensions
Current
Ratings
(Amps)
1
3
6
10
15
20
25
30
35
40
45
50
60
70
80
90
100
110
125
150
175
200
225
250
300
350
400
450
500
600
Catalog
Number
1CJB
3CJB
6CJB
10CJB
15CJB
20CJB
25CJB
30CJB
35CJB
40CJB
45CJB
50CJB
60CJB
70CJB
80CJB
90CJB
100CJB
110CJB
125CJB
150CJB
175CJB
200CJB
225CJB
250CJB
300CJB
350CJB
400CJB
450CJB
500CJB
600CJB
Dimensions in Inches and (mm)
A
B
C
D
E
F
G
H
J
K
2.25
(57)
.5
(12.7)
.81
(20.6)
–
–
–
–
–
–
–
2.38
(60)
.63
(16)
1.06
(27)
–
–
–
–
–
–
–
4.63
(117)
3.63
(92)
1.13
(28)
.75
(19)
.13
(3.2)
1
(25.4)
.5
(12.7)
.28
(7.1)
.38
(9.5)
2.63
(67)
5.75
(146)
4.38
(111)
1.63
(41)
1.13
(28.6)
.19
(4.8)
1.38
(35)
.69
(17.5)
.28
(7.1)
.38
(9.5)
3
(76)
7.13
(181)
5.25
(133)
2.13
(54)
1.63
(41)
.25
(6.3)
1.88
(47.6)
.94
(24)
.41
(10.3)
.53
(13.5)
3.38
(86)
8
(203)
6
(152)
2.63
(66)
2
(51)
.38
(9.5)
2.13
(54)
1
(25.4)
.53
(13.5)
.69
(17.5)
3.75
(96)
12-17-98
SB98107
Rev. A
Form No. CJB
Page 1 of 2
BIF Doc #4129
Bussmann
®
HRCI-J Fast-Acting
Ceramic Body, Class J
Energy Let-Through Curves
Time/Current-Curves
1,000
Total I
2
t at 600V
Total I
2
t at 460V
1,000,000
Pre-Arcing I
2
t
100
CJB
AMPERE
RATING
100
200
AMPERE
2
SECONDS (I
2
t)
100,000
TIME IN SECONDS
10
10,000
1
1,000
.1
100
200
400
600
30
60
100
Peak Let-Through Curves
100
600
400
200
10
PEAK CURRENT (KA)
100
60
30
AMPERE
RATING
CURRENT IN AMPERES
1
.1
.01
.1
PROSPECTIVE CURRENT (SYM. RMS KA)
The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF 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 select-
ed, it should be tested by the user in all possible applications.
100
10
1
12-17-98
SB98107
Rev. A
Form No. CJB
Page 2 of 2
BIF Doc #4129
100,000
10,000
1,000
100
10
FUSE RATING (AMPERES)
.01
400
600
30
60
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