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参数资料
| 型号： | 417 |
| 厂商： | THOMAS BETTS CORP |
| 元件分类： | 接线盒 |
| 英文描述： | 255 A, MODULAR TERMINAL BLOCK, 2 ROWS, 1 DECK |
| 文件页数： | 4/4页 |
| 文件大小： | 185K |
| 代理商： | 417 |
NEMA Terminal Blocks
Ultra Heavy Duty — 600 MCM
296
Thomas & Betts Electronics/OEM Division Tel: 901-252-5000 Fax: 901-252-1312
Dimensions shown are for reference only. Dimensions are in inches.
PHYSICAL PROPERTIES
Housing:
HOUSING MATERIAL: Phenolic, filled flame retardant
FLAMMABILITY: UL94V-1
COLOR: Black
Contacts:
MATERIAL: Aluminum alloy electro-tin plated for
compatibility with aluminum or copper conduc-
tors; tin plated brass screws
SCREW TYPE: 15/16" — 16 Hex Socket Set Screw
(“T” type allen wrench is recommended)
Mechanical:
PITCH (TERMINAL SPACING): 2.38" (5 circuits per
foot)
WIRE STRIP LENGTH: 1-3/8"
ELECTRICAL PROPERTIES
MAXIMUM CURRENT: 455A (single 600 KCmil
(MCM) copper wire)
OPERATING VOLTAGE: Blocks meet 600V creepage
and clearance requirements; withstand voltage
greatly exceeds standards for 2000V
WIRE RANGE: #4 AWG-600KCmil (MCM), solid or
stranded, AL or CU
DIELECTRIC STRENGTH (RH40% @ SEA LEVEL): 300
volts/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
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
SERIES 444
ULTRA HEAVY DUTY — 600 MCM
600 V, 2.38" PITCH
Ordering Information
CATALOG
#
DESCRIPTION
444
Tubular Screw
UL INDEPENDENT TESTING SERVICE RECOGNITIONS:
WIRE SIZES, AL OR CU: 1 #600 kcmil (MCM), 1 #500
kcmil (MCM), 1 #400 kcmil (MCM), 1 #350 kcmil
(MCM), 1 #300 kcmil (MCM), 1 #250 kcmil (MCM),
1 #4/0 AWG
TUBULAR SCREW: 1 or 2 #3/0 AWG, 1 to 3 #2/0 AWG,
1 to 4 #1/0 AWG, 1 to 4 #1 AWG, 1 to 6 #2 AWG,
1 to 10 #4 AWG
相关PDF资料 |
PDF描述 |
|---|---|
| 444 | 455 A, MODULAR TERMINAL BLOCK, 2 ROWS, 1 DECK |
| 47744-001 | BRASS, WIRE TERMINAL |
| 47744-002 | BRASS, WIRE TERMINAL |
| 47745-001 | BRASS, WIRE TERMINAL |
| 47745-002 | BRASS, WIRE TERMINAL |
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| 4170000050 | 制造商:BERNSTEIN 功能描述:BOX GRP IP65 EEXE GREY |
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