Barrier Strips
Tri-Barriers
D
ESCRIPTION
/A
PPLICATION
The Tri-Barrier product is an original
Thomas & Betts design and we set
new terminal block standards with its
introduction. In recent years, some of
our competition has copied this
design.
It’s easy to see why we’re copied.
Our Tri-Barrier blocks help contain
stray or frayed wire ends. This
prevents electrical shorts — not only
between positions on the same
block, but also between other
components immediately adjacent to
the block. With today’s high-density
PCB designs, this has become an
increasingly important feature.
TRI-BARRIER STRIPS
A
PPLICATIONS
• Industrial controls and automation
• Machine tools
• HVAC/R
• Power supplies
• Security/Irrigation
• Transformers
D
ESIGN
A
DVANTAGES
• Back barriers to safeguard field
wiring
• Fast wiring – backed-out wire-
ready screws
• Interupted thread prevents screws
from falling out
• Standoffs allow flux and solvents to
drain during cleaning
• Molded-to-length or cut-to-length
versions available
• Slotted or phil-slot screws available
CONNECTOR INDEX
0.250”
0.250”
0.325”
0.325”
0.375”
0.375”
0.375”
0.375”
Pitch, Series #3....................................................56-59
Pitch, Series RSB2..............................................60, 61
Pitch, Series #4....................................................62-65
Pitch, Series RSB3 ..............................................66-69
Pitch, Series #6....................................................70-73
Pitch, Series RSB6 ..............................................74-77
Pitch, Series BC6, Panel Mount ..........................78-79
Pitch, Series MB6, Double Level ........................80, 81
0.4375” Pitch, Series #8 ..................................................82, 83
•
®
Thomas & Betts Electronics/OEM Division Tel: 901-252-7766 Fax: 901-252-1312
55
Barrier Strips
Tri-Barriers
0.325” PITCH
SERIES #4
TRI-BARRIER
P
HYSICAL
P
ROPERTIES
H
OUSING
M
ATERIAL
:
Polyamide
F
LAMMABILITY
:
UL94V-0
C
OLOR
:
Black
T
ERMINAL
T
ERMINALS
:
Bright acid tin over copper alloy
S
CREWS
:
#4-40 steel, zinc plating with clear chromate
coating. Wire clamping screw standard. Binding head
screw with undercut optional.
4PCV-06
M
ECHANICAL
P
ITCH
(T
ERMINAL
S
PACING
):
0.325”
R
ECOMMENDED
PCB H
OLE
D
IA
.:
1.8mm (.073”)
R
ECOMMENDED
T
IGHTENING
T
ORQUE
:
7 in.-lbs. max.
E
LECTRICAL
P
ROPERTIES
M
AXIMUM
C
URRENT
:
20A
O
PERATING
V
OLTAGE
:
150V/300V (limited rating)
W
IRE
R
ANGE
:
14-22 AWG
(For Dual Pin Configuration) 9,0
.351
1,8
Dia.
4,6
(.073)
(.18)
E
NVIRONMENTAL
P
ROPERTIES
O
PERATING
T
EMPERATURE
R
ANGE
:
105°C max.
5,8
(.23)
8,3
(.325)
6,3
(.25)
3,8
Dia.
(.150)
Right Angle
Printed Circuit Board Layout
Vertical
4,8
(.19)
4,6
(.18)
Suggested
Panel Cutout
3,8
Dia.
(.15)
6,3
(.25)
3,5
(.14)
8,6
(.34)
5,8
(.23)
4,8
(.19)
3,8
Dia.
(.15)
6,3
(.25)
1,4
(.055)
Right Angle
Printed Circuit Board Layout
Center
®
LR30811
E54800
Thomas & Betts Electronics/OEM Division Tel: 901-252-7766 Fax: 901-252-1312
Dimensions shown are for reference only. Dimensions are in millimeters (inches.)
62
Barrier Strips
Tri-Barriers
0.325” PITCH
SERIES #4 TRI-BARRIER
O
RDERING
I
NFORMATION
4 PCV-04-004
A
B
C
D
C
A
Screw Size Spacing
4
= #4-40 on .325" Centers
Terminal Style
DBL
= Double Printed Circuit Pin
PCR
= Printed Circuit, Right Angle
PCV
= Printed Circuit Pin, Vertical
WWV
= Solderless Wire Wrap, Vertical
No. of Circuits
(Not Positions)
02
through
32
B
D
Modifiers
Use table below.
Note:
If modifier is -000
it may be omitted. (4PCV-06)
Combo Head
Slotted Head
Phil-slot Head Slotted Head
Terminal
Style
DBL
Modifier
Slotted Head
000
001
Modifier
Phil-slot Head
006
007
006
007
008
009
006
007
008
009
006
007
008
009
Screw Style
Wire Clamp
Binding Head
Wire Clamp
Binding Head
Wire Clamp
Binding Head
Wire Clamp
Binding Head
Wire Clamp
Binding Head
Wire Clamp
Binding Head
Wire Clamp
Binding Head
Mounting Construction
No Mounting
PCV
000
001
004
005
No Mounting
PCR
000
001
004
005
No Mounting
WWV
000
001
004
005
No Mounting
®
LR30811
E54800
Thomas & Betts Electronics/OEM Division Tel: 901-252-7766 Fax: 901-252-1312
Dimensions shown are for reference only. Dimensions are in inches.
63
Barrier Strips
Tri-Barriers
0.325” PITCH
SERIES #4
TRI-BARRIER
Printed Circuit Pin
4,8
(.19)
Optional
End Mount
PCR
5,8
(.23)
PCV
DBL
0,9
(.035)
1,1
(.045)
4,6
(.18)
9,0
.351
5,1
(.20)
3,3
.130
Wire Wrap
#4 WWR Not available
Optional
End Mount
WWV
1,1
(.045)
12,7
(.50)
0,9
(.035)
4,6
(.18)
®
LR30811
E54800
Thomas & Betts Electronics/OEM Division Tel: 901-252-7766 Fax: 901-252-1312
Dimensions shown are for reference only. Dimensions are in millimeters (inches).
64
Barrier Strips
Tri-Barriers
0.325” PITCH
SERIES #4
TRI-BARRIER
L = A+
16,5
(.65)
A
3,8
Dia.
(.150)
15,2
(.60)
6,3
(.25)
Optional
End Mounting
#4-40 Binding
Head Screw
Right
Angle
Mount
8,3
(.325)
6,7
(.27)
4,8
(.19)
#4-40 Wire
Clamping Screw (Std.)
12,7
(.50)
Vertical
Mount
7,6
(.30)
6,3
(.25)
1,0
(.04)
Dimensions
TERMINALS
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
TERMINALS
17
18
19
20
21
22
23
24
25
26
27
28
29
30
A
(0.325) 8,2
(0.65) 16,5
(0.97) 24,7
(1.30) 33,0
(1.62) 41,3
(1.95) 49,5
(2.27) 57,8
(2.60) 66,0
(2.92) 74,3
(3.25) 82,5
(3.57) 90,8
(3.90) 99,1
(4.22) 107,3
(4.55) 115,6
(4.87) 123,8
(5.20) 132,1
(552)140,3
(5.85) 148,6
(6.17) 156,8
(6.50) 165,1
(6.82) 173,3
(7.15) 181,6
(7.47) 189,9
(7.80) 198,1
(8.13) 206,4
(8.45) 214,6
(8.78) 222,9
(9.10) 231,1
(9.43) 239,4
®
LR30811
E54800
Thomas & Betts Electronics/OEM Division Tel: 901-252-7766 Fax: 901-252-1312
65
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