INDEX
Series A38 / B38
Single Row Terminal Blocks
SPECIFICATIONS
Rating:
A38: 30A, 600V
B38: 50A, 600V
Center Spacing:
.437” (11.10 mm)
Wire Size:
#10-22 AWG CU
Screw Size:
#8-32 Zinc Plated Steel
Torque Rating:
A38: 9 in-lb; B38: 15 in-lb
Distance Between Barriers:
.378” (9.60mm)
Operating Temperature:
221°F (105°C)
Molded Material:
Black, UL Rated 94VO Thermoplastic
Breakdown Voltage:
5000V rms
Recommended PCB Hole Diameter (A38):
.076” (1.93mm)
Approvals:
UL E62622; CSA LR15364; CE Certified
TABLE A
MOUNTING
ENDS ONLY
Poles
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
B
Mount Ctrs.
1.31
1.75
2.19
2.62
3.06
3.50
3.93
4.37
4.81
5.24
5.68
6.12
6.56
6.99
7.43
“A”
Dim. Length
1.67
2.10
2.54
2.98
3.41
3.85
4.29
4.72
5.16
5.60
6.04
6.47
6.91
7.35
7.78
BARRIER
ENDS ONLY
“A”
Dim. Length
0.93
1.37
1.81
4.05
2.68
3.12
3.56
3.99
4.43
4.87
5.30
5.74
6.18
6.61
7.05
A382208
B381404
Series A38
"A" DIM.
"B" DIM.
HOLE SIZE
.20
(5.0)
11.10
(.437)
.80
(20.4)
* Dimensions in inches. To convert to millimeters, multiply by 25.4.
.28
(7.0)
Series B38
"A" DIM.
.437
(11.10)
.65
(16.4)
.21
(5.2)
.25
(6.4)
Cooper Bussmann
l
7300 W. Wilson Ave
l
Chicago, IL 60656-4708
l
Fax: 708-867-2211
l
Phone: 708-867-4600
Website: http://www.busscc.com
19
INDEX
Part Numbering System
Series
Terminal Style
Base/End
# of Poles
Screw Options
Options
A 3 8
nnn n
1
2
7
8
9
- hand wired
- pc tail
- extended wire wrap
- short pc tail
- .250” QC male tab
n
1
- flat base,
mount ends
2
- flat base,
barrier ends
3
- insulator base*
mount ends
4
- insulator base*
barrier ends
nn
02
to
16
nn
Blank
- standard screw
(steel zinc plated,
philslot BHMS)
04
- brass, nickel plated,
philslot BHMS
07
- steel, SEMS zinc plated
philslot screw
92
- steel, zinc plated
slotted BHMS
94
- brass, nickel plated
slotted BHMS
nn
L1
to
L6
marking options (pg 23)
RC
- retaining clips (pg 16)
Covers
- (pg 24)
*N/A on 2 & 8 terminal styles.
B 3 8
nnn n
1
- long turret
2
- short turret
3
- screw terminal
#6-32 screw top
& bottom)
4
- stud (#8-32 screw
top, #6-32 screw
bottom)
5
- double stud (#6-32
stud top & bottom)
n
0
- flat base,
mount ends
4
- insulator base,
barrier ends
9
- insulator base
mount ends
nn
02
to
16
nn
Blank
- standard screw steel
zinc plated philslot BHMS)
04
- brass, nickel plated,
philslot BHMS
32
- #6-32 zinc plated steel
philslot BHMS*
34
- #6-32 nickel plated brass
philslot BHMS*
92
- steel, zinc plated slotted BHMS
94
- brass, nickel plated slotted BHMS
nn
L1
to
L6
marking options (pg 23)
RC
- retaining clips (pg 16)
Covers
- (pg 24)
*Note: 32 & 34 screws only
*available with 3 terminal style.
A38 Terminal Styles
Wire ready screws standard
.55
(14.0)
.031
(.79)
.031
(.79)
.110
(2.80)
.062
(1.58)
.20
(5.1)
.031
(.79)
.59
(15.1)
.031
(.79)
.062
(1.58)
.062
(1.58)
.17
(4.3)
.031
(.79)
.250
(6.35)
.67
(17.0)
1
Handwired
2
P.C.Pin
7
Extended Pin
8
Short P. C. Pin
9
.250” QC Male Tab
B38 Terminal Styles
#6 - 32 SCREW
#6 - 32 NUT
.21
(5.3)
.30
(7.6)
0.18
(6.4)
0.46
(11.6)
0.25
(6.4)
0.18
(4.6)
.58
(4.8)
0.27
(6.8)
#6 - 32 NUT
.58
(4.8)
#6 - 32 NUT
#6 - 32 SCREW
.02
(0.5)
1
Long Turret
2
Short Turret
3
Stud
4
Double Stud
5
Screw Terminal
Screw Options
Standard
Zinc Plated Steel
04
Brass
Nickel Plated
07
Steel SEMS
Zinc Plated
32
Zinc Plated Steel
Philslot BHMS
34
Nickel Plated Brass
Philslot BHMS
92
Slotted,
Zinc Plated Steel
94
Slotted,
Nickel Plated Brass
20
Cooper Bussmann
l
7300 W. Wilson Ave
l
Chicago, IL 60656-4708
l
Fax: 708-867-2211
l
Phone: 708-867-4600
Website: http://www.busscc.com
Microchip MCU
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