Bussmann®
Stud Type Junction Blocks
SPECIFICATIONS
Material: Studs on non-feed-thrus are steel plated; feed-thrus
are copper alloy.
Applications: Heavy-duty ground or power connection points
in AC or DC circuits. Feed-thru or stand alone mount options
available for transformers, communication and computer power
sections along with various vehicle electrical systems.
Benefits: Modular design offers design and manufacturing
flexibility.
Suggested Max. Termination Ratings:
Thread/Stud Sz.
Amperages
#10-32
50 Amps
#1/4-20
100 Amps
#5/16-18
200 Amps
#3/8-16
250 Amps
#1/2-20
400 Amps
Dimensions
1.87"
(47.6)
1.12"
(28.6)
F
H
J
.75"
(19.1)
M (thread size)
C B
G
E
K
D
A
L (4 mtg. holes)
L (2 mtg. holes)
Fig. 1
(Parts C1925, C1933, C1933-1)
Part
C2791*
Fig.
2
C2909*
2
C2909-1*
2
C1938*
2
C1925*
1
C4044*
2
C5898*
2
JB3816-2
2
JB3816-3
2
C1933
1
C1933-1
1
C6344-1
2
*Feed-thru
12-28-98
SB98107
A
B
C
D
2.06
.69
.44
.62
(52.4)
(17.5)
(11.2)
(15.9)
2.06
.69
.44
.62
(52.4)
(17.5)
(11.2)
(15.9)
2.06
.69
.44
.62
(52.4)
(17.5)
(11.2)
(15.9)
2.06
.94
.69
.87
(52.4)
(23.8)
(17.5)
(22.2)
2.75
1.5
1.25
1.25
(69.8)
(38.1)
(31.7)
(31.7)
2.06
.87
.62
.62
(52.4)
(22.2)
(15.9)
(15.9)
2.06
.94
.69
.87
(52.4)
(23.8)
(17.5)
(22.2)
2.12
1.0
.62
.94
(54.0)
(25.4)
(15.9)
(23.8)
2.12
1.0
.62
.94
(54.0)
(25.4)
(15.9)
(23.8)
2.75
1.44
1.25
1.5
(69.8)
(36.6)
(31.7)
(38.1)
2.75
1.44
1.25
1.5
(69.8)
(36.3)
(31.7)
(38.1)
2.12
.62
.62
.87
(54.0)
(15.9)
(15.9)
(22.2)
Options – Nuts & washers; consult factory.
Rev. A
E
.69
(17.5)
1.0
(25.4)
1.0
(25.4)
.69
(17.5)
1.12
(28.6)
1.12
(28.6)
.69
(17.5)
.69
(17.5)
.69
(17.5)
1.12
(28.6)
1.12
(28.6)
.69
(17.5)
F
.31
(7.9)
.31
(7.9)
.31
(7.9)
.31
(7.9)
37
(9.5)
.31
(7.9)
.31
(7.9)
.31
(7.9)
.31
(7.9)
.37
(9.5)
.37
(9.5)
.31
(7.9)
G
.69
(17.5)
.69
(17.5)
.69
(17.5)
.87
(22.2)
1.12
(28.6)
.87
(22.2)
.87
(22.2)
None
None
None
None
None
H
.06
(1.6)
.06
(1.6)
.06
(1.6)
.06
(1.6)
.19
4.8)
.06
(1.6)
.06
(1.6)
.06
(1.6)
.06
(1.6)
.19
(4.8)
.19
(4.8)
.06
(1.6)
A
K
J
.06
(1.6)
.06
(1.6)
.06
(1.6)
.06
(1.6)
.19
(4.8)
.06
(1.6)
.06
(1.6)
None
None
None
None
None
K
1.31
(33.3)
1.31
(33.3)d
1.31
(33.3)d
1.31
(33.3)d
2.0
(50.8)
1.31
(33.3)
1.31
(33.3)
1.37
(34.9)
1.37
(34.9)
2
(50.8)
2
(50.8)
1.37
(34.9)
Fig. 2
(All other parts)
L
.22 dia. w/.41 dia.
C’bore x .14 deep
.22 dia. w/.41 dia.
C’bore x 14 deep
.22 dia. w/.41 dia.
C’bore x 14 deep
.22 dia. w/.41 dia.
C’bore x 14 deep
.22 dia. w/.44 dia.
C’bore x .16 deep
.22 dia. w/.41 dia.
C’bore x .14 deep
.22 dia. w/.41 dia.
C’bore x 14 deep
.22 dia. w/.37 dia.
C’bore x .14 deep
.22 dia. w/.37 dia.
C’bore x .14 deep
.22 dia.
M
1/4-20
Material
Thermoset
Color
Black
10-32
Thermoset
Black
1/4-20
Thermoset
Black
3/8-16
Thermoplastic
Black
1/2-13
Thermoplastic
Red
3/8-16
Thermoplastic
Black
3/8-16
Thermoplastic
Red
3/8-16
Thermoplastic
Black
3/8-16
Thermoplastic
Red
1/2-13
Thermoplastic
Black
.22 dia.
5/16-18
Thermoplastic
Black
.22 dia. w/.37 dia.
C’bore x .14 deep
1/2-20
Thermoplastic
Black
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 selected, it should be tested by the
user in all possible applications.
Stud Type J/Blocks
Page 1 of 1
BIF Document: 2070