参数资料
型号: MA-21
厂商: Curtis Industries
文件页数: 20/82页
文件大小: 0K
描述: TERM BARRIER 21CIRC DUAL ROW
标准包装: 10
系列: M
端接块类型: 阻隔块
电路数: 21
导线入口数目: 42
间距: 0.500"(12.70mm)
行数: 2
电流: 25A
线规: 12-22 AWG
顶部端子: 螺钉
底部端子: 闭合式
阻挡层类型: 双壁(双)
特点: 法兰
包装: 散装
安装类型: 底座安装或面板安装
工作温度: 150°C
材料 - 绝缘体: 酚醛树脂(酚醛)
材料可燃性额定值: UL94 V-0
How to Order
CFT Series terminal blocks are ordered by listing designation
followed by the number of poles required for the application .
Example: Type CFT 10-pole block becomes stock number
CFT-10 .
Suffixes are used as follows:
Series CB/CFT Accessories
W
C
denotes model with wire clamp replacing external
screw terminal
denotes model less mounting positions
To specify quick-connect terminals, simply add the style
number required .
May be purchased factory-assembled or as customer-
installed accessory .
The CFT-10 described above with wire clamp less mounting
positions thus converts to sock number CFTWC-10 .
PC BOARD DRILLING DIMENSIONS
MARKING STRIPS
CB/CFT – Pre-punched black fiber . . . mounts under block.
May be imprinted to customer specifications.
To order, specify: Part No . 278A10-1 thru 26 (with mounting
hole); Part No . 278A36-1 thru 26 (less mounting hole) .
COVERS
CB/CFT – Rigid  .030" thick self-extinguishing vinyl . Black
2-11 Terminals
?.079 (No. 47 Drill)
.375
Typ.
matte-finished on both sides. May double as marking strip
when imprinted with white ink . Complete with spring clips for
attaching to mounting positions .
Part No . 278B27-1 thru 26 terminals
12 Terminals and Over
?.093 (No. 42 Drill)
TERMINAL BLOCK JUMPERS
CB/CFT – Jumper is constructed of plated brass . “Rooster
comb” design permits connections of two to 10 poles .
To order, specify; Part No . 278-A11 (plus no . of poles)
Example: 278-A11-10, 10 Pole Jumper
WIRE CLAMP
CB/CFT – Wire clamp captivated to No . 6-32 screw eliminates
need for lugs . Accepts No . 14AWG wire . Part No . 58523700
Terminal blocks are normally supplied with No . 6-32 combo
head screws . Other styles and materials on special order .
18
www .curtisind .com
Curtis Industries
A Division of Powers Holdings, Inc.
Specifications subject to change.
Dimensions are shown for
reference purposes only .
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