BUCHANAN Terminal Blocks
Note:
All part numbers
are RoHS Compliant.
B100, #B100 Series, One-Piece Blocks, 600 V — Phenolic
Material & Finish
Housing Material—Phenolic,
filled
flame retardant
Flammability—UL94V-1
Color—Black
Contacts
Standard Material—Electrical
grade
copper or copper alloy conductor. Steel
screws plated to resist corrosion in most
industrial applications.
Brass Material—For
Corrosive
Environment (2B100, 4B100 Series)
Nickel plated brass straps and screws.
Meets specification QQ-N-290A Class 1,
Grade G
Wire Range—Strap
Screw: #18-8
AWG solid or stranded; Tubular Clamp:
#14-6 AWG solid or stranded
Screw Type—Strap
Screw: #10-32
Binding Head; Tubular Clamp:
#1/4"[6.35]-28 Set Screw
Strap Screw—7/16"
[11.11] max. lug
width
Circuits
Contact Type
Steel Screw
w/Strap
Part Number Catalog Number
Tubular
Clamp
Part Number Catalog Number
Brass Screw
w/Strap
Part Number Catalog Number
AMPACITY
50A
Standard
2
4
6
8
12
Shorting*
2
4
6
8
12
2-1437382-6
3-1437382-0
4-1437382-0
4-1437382-9
5-1437382-9
4-1437381-0
4-1437381-1
4-1437381-3
4-1437381-5
4-1437381-7
B102
B104
B106-BU
B108
B112-BU
3B102P
3B104P
3B106P
3B108P
3B112P
65A
2-1437382-8
3-1437382-6
4-1437382-5
5-1437382-5
6-1437382-7
—
—
—
—
—
B102S
B104S
B106S
B108S
B112S
—
—
—
—
—
50A
2-1437381-0
2-1437381-2
2-1437381-6
3-1437381-0
3-1437381-3
5-1437381-6
5-1437381-7
5-1437381-8
5-1437381-9
6-1437381-0
2B102
2B104
2B106
2B108
2B112
4B102P
4B104P
4B106P
4B108P
4B112P
Mechanical Properties
Pitch (terminal spacing)—
.63" [16.00]
Wire Strip Length—Strap
Screw: as
needed for lugging; Tubular Clamp:
1/2" [12.1]
Electrical Properties
Maximum Current—70A
for a single
#6 AWG wire
Operating Voltage—Blocks
meet
600V creepage and clearance
requirements for general industrial
control equipment and panelboards;
greatly exceeds IEEE switchgear
standards for 750 volts.
Dielectric Strength (RH 40% @
sea level)—300
Volts/mil thickness
per ASTM D149
UL High Voltage Arc Tracking
(in./min.)—.49-.58
[12.45-14.73]
Circuits
Strap Screw
#8 & Smaller
5B102
5B104
5B106
5B108
5B112
—
—
—
—
—
—
—
—
—
—
Threaded
Post & Nut
—
—
—
—
—
7B102
7B104
7B106
7B108
7B112
Removable Link
2
8-1437381-4
4
8-1437381-5
6
8-1437381-7
8
8-1437381-8
12
9-1437381-0
Stud, #10-32
2
4
6
8
12
—
—
—
—
—
Environmental Properties
Max. Continuous Temperature—
150°C (302°F)
Water Absorption (24hrs. % wt.
gain)—.45%
per ASTM D570
Chemical Resistance—Resistant
to
acids, alkalies, and aliphatic
hydrocarbons and ketones per
ASTM D543
Radiation Resistance (ergs G
-1
(C)—2.7
x 10
8
min
1-1437382-8
2-1437382-0
2-1437382-1
2-1437382-2
2-1437382-3
Notes:
For prenumbered marking strip, add suffix “N” to Catalog Number. Cannot
be used on 3B or 4B series.
For factory assembled hinged cover, add suffix “H” to
Catalog Number. Cannot be used on 3B or 4B series.
For factory assembled thumbscrew-fastened cover, add suffix “T” to Catalog
Number. Cannot be used on 3B or 4B series.
Screws and removable links shipped unassembled.
*Shorting blocks are supplied with 2 shorting screws each.
Except for 3B and 4B Series
UL Independent Testing
Service Recognitions
Wire Sizes—Solid
or Stranded,
Tubular Clamp
1—#6 AWG, 1—#8 AWG, 1or 2 —
#10 AWG, 1or 2—#12 AWG, 1 to 3—
#14 AWG, 1 —#10 & 1 —#12 AWG
1 — #12 & 1 — #14 AWG
LR25557
E63810
290
Catalog 1308389
Revised 6-07
www.tycoelectronics.com
Dimensions are in millimeters
and inches unless otherwise
specified.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-1106-0803
South America: 55-11-2103-6000
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 8706-080-208
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