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参数资料
| 型号： | 444 |
| 厂商： | THOMAS BETTS CORP |
| 元件分类： | 接线盒 |
| 英文描述： | 455 A, MODULAR TERMINAL BLOCK, 2 ROWS, 1 DECK |
| 文件页数： | 1/4页 |
| 文件大小： | 185K |
| 代理商： | 444 |
NEMA Terminal Blocks
Ultra Heavy Duty
DESCRIPTION/APPLICATION
This Ultra Heavy Duty line includes
two series. The 400 series is rated up
to 270 A; the 444 series is rated up to
455 A.
DESIGN ADVANTAGES
400 Series
Compact 2/0 or 250 kcmil (MCM)
block - at least 57 circuits per 6
foot length, 1-3/16" center-to-
center spacing.
High
current
capacity
snap-fit
sectional block— tubular contacts
accept single or combinations of
wire sizes as large as 250 kcmil
(MCM).
Two contact styles available; rated
up to 270 amperes for copper wire.
Allen head screws allow maximum
torque when using large wire sizes.
Withstand voltages in excess of
IEEE switchgear standards for 750
volts. Meet clearance and creepage
spacing specified in UL, CSA, and
NEMA Industrial Control Standards
for 600 volts.
Same block directly mounts on
surface or channel mounts.
Only one end section needed per
block assembly.
Readily
identify
circuits—order
blocks with painted marking area or
use removable vinyl marking strip.
Preprinted marking strips are also
available.
Factory
assembled
blocks
available.
Ultra Heavy Duty phenolic block
sections do not snap-fit with other
block styles.
444 Series
Massive block for extraordinarily
heavy duty applications—use AWG
wire sizes #4 thru 600 kcmil (MCM).
Allen head screws allow maximum
torque on large wire sizes.
Withstand voltages in excess of
IEEE switchgear standards for
2.000 volts.
Conservatively
rated
at
455
amperes for copper wire, 370
amperes for aluminum wire.
Housing design permits mounting
adjacent
blocks
with
common
hardware — may be ganged for
multiple
circuit
requirements
maintaining centerlines.
No end sections needed — each
circuit is totally self-contained.
Reduces inventory requirements.
293
Thomas & Betts Electronics/OEM Division Tel: 901-252-5000 Fax: 901-252-1312
400 SERIES
ULTRA HEAVY DUTY
LR25557
E63810
相关PDF资料 |
PDF描述 |
|---|---|
| 47744-001 | BRASS, WIRE TERMINAL |
| 47744-002 | BRASS, WIRE TERMINAL |
| 47745-001 | BRASS, WIRE TERMINAL |
| 47745-002 | BRASS, WIRE TERMINAL |
| 47746-002 | BRASS, WIRE TERMINAL |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 444 1/2" | 功能描述:胶带 1/2"x36YDS POLYESTER RoHS:否 制造商:3M Electronic Specialty 产品:Tapes 类型:Shielding 描述/功能:EMI/RFI Foil Shielding Tape 颜色: 材料:Copper Foil 宽度:1 in x 18 yds |
| 444 110 68 | 制造商:Werma 功能描述: |
| 444 110 75 | 制造商:Werma 功能描述:Bulk |
| 444 310 68 | 制造商:Werma 功能描述:Bulk |
| 444 CAL | 制造商:Simpson Electric 功能描述:CALIBRATED - DISPLAY |
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