參數(shù)資料
型號： 1546235-2
廠商： Tyco Electronics
元件分類： 終端
英文描述： NEMA Terminal Blocks
中文描述： NEMA式接線端子
文件頁數(shù)： 35/58頁
文件大?。?/td> 23479K
代理商： 1546235-2
278
400 Series, Ultra Heavy Duty, 600 V, 1.19" [30.23] Pitch
Catalog 1308389
Dimensions are in millimeters
Dimensions are shown for
USA: 1-800-522-6752
South America: 55-11-2103-6000
Revised 6-07
and inches unless otherwise
reference purposes only.
Canada: 1-905-470-4425
Hong Kong: 852-2735-1628
specified.
Specifications subject
Mexico: 01-800-733-8926
Japan: 81-44-844-8013
www.tycoelectronics.com
to change.
C. America: 52-55-1106-0803
UK: 8706-080-208
Note: All part numbers
are RoHS Compliant.
BUCHANAN Terminal Blocks
Material & Finish
Housing Material—Phenolic, filled
flame retardant
Flammability—UL94V-1
Color—Black
Contacts:
Material—Electrical grade copper
conductor; plated steel screws resist
corrosion
Tubular Screw Type—
Small: 1/2" [12.7] - 13 Hex
Large: 3/4" [19.05] - 16 Hex socket
set screw
Mechanical Properties
Pitch (terminal spacing)—
1.19" [30.23]; 9 circuits/foot
Wire Strip Length—
Tubular Screw (small): 1" [25.4]
Tubular Screw (large): 1" [25.4]
Electrical Properties
Maximum Current—255A for a single
250MCM wire
Operating Voltage—Blocks meet
600V creepage and clearance
requirements; withstand voltage greatly
exceeds standards for 750V
Wire Range—Tubular Screw (small):
#4-#2/0 AWG solid or stranded; Tubular
Screw (large): #6 AWG-250 kcmil
(MCM) solid or stranded
Dielectric Strength (RH 40% @
sea level)—300 V/mil thickness per
ASTM D149
Breakdown Voltage, AC, 60Hz—
Contact-to-Contact: 10,000V
Contact-to-Ground: 10,000V
UL High Voltage Arc Tracking
(in./min.)—.49-.58 [12.45-14.73]
Environmental Properties
Max. Continuous Temperature—
150°C [302°F]
Water Absorption (24hrs. % wt.
gain)— .45% per ASTM D149
Chemical Resistance—Resistant to
acids, alkalies, and aliphatic
hydrocarbons and ketones per
ASTM D543
Radiation Resistance (ergs g-1
(C)—2.7 x 108
LR25557
E63810
Wire
Part
Catalog
Description
Range
Number
Tubular Screw, Unpainted
#14-2/0
1437396-4
416
Tubular Screw, Painted
#14-2/0
1437396-7
426-BU
Tubular Screw, Unpainted
#6-250 kcmil/MCM
1437396-5
417
Tubular Screw, Painted
#6-250 kcmil/MCM
1437396-8
427-BU
End Section
—
1437396-9
430-BU
Note: For Direct
Mounting, use #10
pan head screws
every six circuits.
recommended torque:
15-20 in.-lbs.
UL Independent Testing Service Recognitions:
Tubular Screw: Catalog # 416 & 426-BU
1 #2/0 AWG, 1 #1/0 AWG, 1 #1 AWG,
1 or 2 #2 AWG, 1 to 3 #4 AWG, 1 to 3 #6 AWG,
1 to 4 #8 AWG, 1 to 6 #10 AWG, 2 to 8 #12 AWG,
Tubular Screw: Catalog # 417 & 427-BU
1 #250kcmil (MCM), 1 #4/0 AWG, 1 #3/0 AWG,
1 or 2 #2/0 AWG, 1 or 2 #1/0 AWG, 1 or 2 #1 AWG, 1 to 3 #2 AWG, 1 to 4 #4 AWG,
1 to 5 #6 AWG
Same part used for both panel and
channel mounting.
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