BUCHANAN Terminal Blocks
Note:
All part numbers
are RoHS Compliant.
Fuse & Switch
Product Facts
High Density Blocks
and Switch Blocks rated
15A and 300V.
n
High Density 0.36" [9.14]
centerline spacing saves
panel space; at least 33
circuits per foot.
n
Fuse
Fuse Blocks
in-line circuit
protection for virtually any
circuit or group of circuits —
select contacts for
terminated or unterminated
wire.
n
Remove, check and replace
fuses safely and quickly —
switch action fuse blocks
open circuits before fuse can
be removed or installed.
n
Contacts conservatively
rated to 30 amperes.
n
Provide
Switch Blocks
n
Quickly
and easily interrupt a
circuit or group of circuits —
insert switch blocks directly
in line. Contacts available
for terminated or
unterminated wire.
n
Keep circuits open for
extended periods — switch
blade can be removed
entirely from block for lock-
out protection.
n
Rated to 15 amperes.
6
identify circuits —
mark directly on white,
matte-surface puller
assembly, marking tab on
block, or use removable
marking tape.
n
Open or close several
circuits simultaneously —
holes in puller handles allow
use of nylon “ganging” rods.
n
Fuse and Switch block
sections snap-fit with 300 &
600 Volt, phenolic Medium
Duty, Heavy Duty, and
Intermediate Heavy Duty
blocks.
n
Readily
NEMA Terminal
Blocks
This broad line features
High Density Blocks (Series
0135), Nylon &
Polypropylene Blocks
(Series 0300) and Phenolic
Blocks (Series 300).
Common Features of 300 &
0300 Series
n
At
least 91 circuits per 6-foot
length, 3/4 inch center-to-
center spacing.
n
Blocks meet 600 volt
clearance and creepage
spacings specified in UL,
CSA, and NEMA Industrial
Control Standards.
n
Choose nylon housing
material — for more rugged
applications; polypropylene
for fire retardant
characteristics.
n
Dovetail base fits standard
mounting channel — can
also be mounted on flat
surfaces.
n
Only one end section needed
per block assembly.
LR25557
E63810
281
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
BUCHANAN Terminal Blocks
Note:
All part numbers
are RoHS Compliant.
0300 Series, Fuse & Switch, Nylon and Polypropylene
Fuse Block
Strap Screw
Characteristics
Type of Block
Channel Mount (Dovetail Base)
Nylon
Polypropylene
Corrosion Resistant Nylon
Corrosion Resistant Polypropylene
Contact Type
Model
0311
P0311
D0311
DP0311
Part
Number
1437397-1
4-1437397-0
1-1437389-1
6-1437389-2
Fuse Block
Strap Clamp
Model
0318
P0318
D0318
DP0318
Part
Number
1437397-3
4-1437397-3
1776726-1
1776727-1
Fuse Block
Tubular Screw
Model
0312
P0312
D0312
DP0312
Part
Number
1437397-2
4-1437397-2
1-1437389-2
6-1437389-3
Switch Block
Strap Screw
Model
0371
P0371
D0371
DP0371
Part
Number
1-1437397-7
4-1437397-4
1-1437389-7
1776728-1
Specifications
Wire Range (AWG)
Solid & Stranded
Wire Strip Length (in.)
Screw Type
Ampacity
22-8
—
10-32
binding head
25 A
18-8
1/2
8-32
pan head w/clamp
25 A
18-8
1/2
1/4"-28
set screw
25 A
22-8
—
10-32
binding head
15 A
End Sections
Channel Mount, Nylon
Channel Mount, Polypropylene
0380
P0380
2-1437397-0
4-1437397-7
0380
P0380
2-1437397-0
4-1437397-7
0380
P0380
2-1437397-0
4-1437397-7
0380
P0380
2-1437397-0
4-1437397-7
Notes:
Standard package is 100 pieces for contact, 25 pieces for end section.
For factory assembled blocks on channel, suffix Catalog Number with number of blocks desired.
Without channel delete “0” prefix on Catalog Number.
EXAMPLE:
Ten strap-screw fuse block sections preassembled on channel = 031110.
For blocks with two or more contact types, preassembled with other blocks, imprinting or
special features, consult Technical Support.
282
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
BUCHANAN Terminal Blocks
Note:
All part numbers
are RoHS Compliant.
0300 Series, Fuse & Switch, Nylon and Polypropylene
(Continued)
Specifications
Pitch—0.75”
[19.05] centerline, 16 circuits per foot
Voltage Rating—Blocks
meet 600 volt creepage and clearance requirements of
NEMA, UL and CSA for general industrial control equipment and panelboards.
Withstand voltages greatly in excess of IEE switchgear standards for 750 volts.
Fuse Size—Any
13/32 x 1-1/2 in. [10.32 x 28.10] ferrule type cartridge fuse up to
25 amps, indicating or non-indicating, which meets Mil. Spec. F-15160.
Switch Block
Strap Clamp
Model
0378
P0378
D0378
DP0378
Part
Number
1-1437397-9
4-1437397-6
1776729-1
1776730-1
Switch Block
Tubular Screw
Model
0372
P0372
D0372
DP0372
Part
Number
1-1437397-8
4-1437397-5
1776731-1
1776732-1
Standard Contacts
Material—Electrical
grade copper or copper alloy conductor. Steel Screws plated to
resist corrosion in most industrial applications
AL-CU Tubular Screw—Aluminum
compatibility with aluminum or copper
conductors. AL-CU is tin-plated brass.
Environmental Contacts
(for highly corrosive atmospheres)
NEMA Terminal
Blocks
Tubular Screw—Electrical
grade copper tube with nickel plating. Nickel plated
brass screws.
Strap Screw—Nickel
plated brass straps and screws. Nickel plating meets
specification QQ-N-290A Class I, Grade G.
Polyamide Material:
Housing Material—Polyamide,
Unfilled Type 6/6
Max. Continuous Temperature—125°C,
(257°F)
Breakdown Voltage (AC, 60 Hz)—
Contact-to-Contact: 7000V
Contact-to-Ground: 10,000V
Dielectric Strength (RH 40% at Sea Level)—470-385
Volts/mil thickness Per
ASTM D149
UL High Voltage Arc Tracking (inches/min.)—.01-.35
[.25-8.89]
Water Absorption (24 hrs. % wt. gain)—1.5%
per ASTM D570
Flammability—UL94V-2
Chemical Resistance—Resistant
to aromatic hydrocarbons, strong alkalies per
ASTM D543
Radiation Resistance (ergs g-1 (C)—8
x 107
Color—Translucent
White
18-8
1/2
8-32
pan head w/clamp
15 A
18-8
1/2
1/4"-28
set screw
15 A
6
0380
P0380
2-1437397-0
4-1437397-7
0380
P0380
2-1437397-0
4-1437397-7
Polypropylene Material:
Housing Material—Polypropylene,
Filled self-extinguishing
Max. Continuous Temperature—105°C,
(221°F)
Breakdown Voltage (AC, 60Hz)—
Contact-to-Ground: 10,000V
Contact-to-Contact: 7000V
Dielectric Strength (RH 40% at Sea Level)—500
Volts/mil thickness per
ASTM D149
UL High Voltage Arc Tracking (inches/min.)—Did
not track
Water Absorption (24 hrs. % wt. gain)—0.02%
Per ASTM D570
Flammability—UL94V-0
Chemical Resistance—Resistant
to most acids, alkalines, and saline solutions.
Also resistant to higher aliphatic solvents and polar substances per ASTM D543
Radiation Resistance (ergs g-1 (C)—
No data Available
Color—Opaque
White
Fuse Puller:
Material
Color
Switch Handle:
Material
Color
High-temperature,
glass-reinforced nylon
Black
Polypropylene
White
283
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
BUCHANAN Terminal Blocks
Note:
All part numbers
are RoHS Compliant.
0300 Series, Fuse & Switch, Nylon and Polypropylene
(Continued)
Mounting Channel
Steel
Channel
Part Number
9-1437381-1
9-1437381-8
Catalog Number
60
63-BU
Standard Length
6 feet
3 feet
Break
Away
Steel
Pre-punched
Aluminum
Channel
9-1437381-9
1437382-2
64
67
6 feet
3 feet
9-1437381-2
60-B-36
3 feet
Channel Clamps
Marking Accessories
Screw
Channel
Clamps
Part Number
9-1437381-5
Catalog Number
61
Standard Length
—
Universal
Clamps
Snap-In
Clamps
Ganging
Rod
Coated
Cloth
Marking tape
8-1437381-0
55-BU
50 feet
1437382-3
68
—
9-1437381-7
62
—
3-1437381-9
30
2 feet
Related Product Data
Wire Pins and Ferrules—Pages
109-111
For more information on AMP Standard Terminals
and Splices or Quick-Connect FASTON Receptacles
and Tabs, request Catalog 82042.
284
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
BUCHANAN Terminal Blocks
Note:
All part numbers
are RoHS Compliant.
0300 Series, Fuse & Switch, Nylon and Polypropylene
(Continued)
Dovetail Base Mounted On
Standard #60 Channel.
May Also Be Mounted
Direct
6
NEMA Terminal
Blocks
285
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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