参数资料
| 型号： | MA-4 |
| 厂商： | Curtis Industries |
| 文件页数： | 27/82页 |
| 文件大小： | 0K |
| 描述： | TERM BARRIER 4CIRC DUAL ROW |
| 标准包装： | 10 |
| 系列： | M |
| 端接块类型： | 阻隔块 |
| 电路数： | 4 |
| 导线入口数目： | 8 |
| 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 |
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Specifications:
Center-to-Center Spacing: 7/16" (11 .11mm)
Wire Range: No . 22AWG to No . 12AWG (CSA requires
use of lugs on wire larger than No . 16AWG .)
Series GFT/GB With
Mounting Ends
Dimensions
Without
Mounting
Ends
Inches
Inches
Inches
No. of Terminals: 1 thru 26
Voltage Rating:
CSA – 300 volts
UL – *150 volts – General Industrial
**250 volts – Commercial Applications
300 volts – Limited Energy Applications
600 volts – Limited Energy Applications
Number
of
Terminals
1
2
A ± .031 Overall
Dimensions (O.D.)
Metric
(mm)
.875 22 .22
1 .312 33 .33
B ± .031 Mounting
Dimensions
(M.D.)
Metric
(mm)
1 .250 31 .75
1 .687 42 .86
C ± .031
Less Mounting
Positions
Metric
(mm)
.562 14 .28
1 .000 25 .40
* GFT, GFTP, GFTS, GFTAL rated for 300 volts .
** GFTQALX rated for 125 volts .
Tightening Torque:
Wire Binding Screw 9 in .-lb .
3
4
5
1 .750
2 .187
2 .625
44 .45
55 .56
66 .67
2 .125
2 .562
3 .000
53 .97
65 .08
76 .20
1 .437
1 .875
2 .312
36 .51
47 .62
58 .73
Wire Clamp
9 in .-lb .
6
3 .062
77 .78
3 .437
87 .31
2 .750
69 .85
Current Rating: 20 amps, UL and CSA
7
3 .500
88 .90
3 .875
98 .42
3 .187
80 .96
Housing:
Material
Standard
Phenolic
“X” Grade
Polyphenylene
Oxide
8
9
3 .937 100 .01
4 .375 111 .12
4 .312 109 .53
4 .750 120 .65
3 .625 92 .07
4 .062 103 .18
Continuous Use
Temp . (UL Index)
Flammability Rating
Water Absorption
150°C (302°F) 110°C (230°F)
94V-0 94V-0
10
11
12
4 .812 122 .23
5 .250 133 .35
5 .687 144 .46
5 .187 131 .76
5 .625 142 .87
6 .062 153 .98
4 .500 114 .30
4 .937 125 .41
5 .375 136 .52
(24 hrs . % wt . gain)
Breakdown Voltage:
Terminal - Terminal
Terminal - Ground
.04%
GFT
3,600V Typ .
5,800V Typ .
.06%
GB
5,000V Typ .
7,900V Typ .
13
14
15
6 .125 155 .57
6 .562 166 .68
7 .000 177 .80
6 .500 165 .10
6 .937 176 .21
7 .375 187 .32
5 .812 147 .63
6 .250 158 .75
6 .687 169 .86
Note: Specifications contained herein are subject to
change without notice .
How to Order
GB/GFT Series terminal blocks are ordered by listing a
composite number made up of the model designatin followed
16
17
18
19
20
7 .437 188 .91
7 .875 200 .02
8 .312 211 .13
8 .750 222 .25
9 .187 233 .36
7 .812 198 .43
8 .250 209 .55
8 .687 220 .66
9 .125 231 .77
9 .562 242 .88
7 .125 180 .97
7 .562 192 .08
8 .000 203 .20
8 .437 214 .31
8 .875 225 .42
by the number of poles required for the applicaiton . Example:
Type GBP 10-pole block becomes stock number GBP-10 .
Suffixes are used as follows:
A denotes model with No . 8-32 external screw
21
22
23
9 .625 244 .47 10 .000 254 .00 9 .312 236 .53
10 .062 255 .58 10 .437 265 .11 9 .750 247 .65
10 .500 266 .70 10 .875 276 .22 10 .187 258 .76
terminal
24
10 .937 277 .81
11 .312 287 .33 10 .625 269 .87
.144
(3,65)
C denotes model less mounting positions
X denotes model with thermoplastic molding
To specify quick-connect terminals, simply add the style
number required . May be purchased factory-assembled or
as customer-installed accessory .
The GBP-10 described above – made from thermo-set
phenolic – less mounting positions thus converts to sock
number GBPC-10 .
PC BOARD DRILLING DIMENSIONS
25 11 .375 288 .92 11 .750 298 .45
26 11 .812 300 .03 12 .187 309 .56
Dimensions shown are ± 0 .030"
Series GFT/GB with Mounting Ends
O.D.
.375
(9,52)
M.D.
11 .062 280 .98
11 .500 292 .10
2-11 Terminals
?.079 (No. 47 Drill)
12 Terminals and Over
?.093 (No. 42 Drill)
.437
Typ.
.500
(12,7)
.718
(18,23)
.312
(7,92)
.190 Dia. Mtfg. Holes (2)
(4,82)
Dimensions are in inches and millimeters
unless otherwise specified.
Values in parentheses are metric equivalents .
Curtis Industries
A Division of Powers Holdings, Inc.
1-800-657-0853
25
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