参数资料
| 型号： | MT-21 |
| 厂商： | Curtis Industries |
| 文件页数： | 49/82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： | 15A |
| 线规： | 14-22 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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Inches
Inches
Specifications:
Center-to-Center Spacing: .652" (16 .56mm)
Wire Range:
H: UL Recognized for 16AWG to No . 4AWG
HT: UL Recognized for 22AWG to No . 10AWG
No. of Terminals: 1 thru 30
Number of
Terminals
1
2
Mounting
Dimensions
Metric
(mm)
1 .66 42 .1
2 .31 58 .6
Overall
Dimensions
Metric
(mm)
2 .36 59 .8
3 .01 76 .4
Voltage Rating: CSA: 600V
UL: 600V General Industrial
Tightening Torque:
T H: 45 in .-lb . (4WG to 6AWG)
40 in .-lb . (8AWG)
35 in .-lb . (10AWG to 16AWG)
BT: 20 in . - lbs .
Current Rating: H: 75 amps
BT: 30 amps, UL and CSA .
Housing:
Material Thermoplastic-Polyester
3
4
5
6
7
8
9
10
11
2 .96
3 .61
4 .26
4 .91
5 .56
6 .21
6 .86
7 .51
8 .16
75 .1
91 .6
108 .1
124 .6
141 .1
157 .6
174 .1
190 .6
207 .1
3 .66
4 .31
4 .96
5 .61
6 .26
6 .92
7 .57
8 .22
8 .87
92 .9
109 .4
126 .0
142 .5
159 .1
175 .6
192 .2
208 .7
225 .3
Continuous Use
Temp . (UL Index)
Flammability Rating
Water Absorption
(24 hrs . % wt . gain)
Chemical Resistance
Breakdown Voltage:
Terminal - Terminal
Terminal - Ground
130°C (266°F)
94V-0
0 .7%
Excellent in most environments
BT H
10,400V Typ . 8,100V Typ .
8,400V Typ . 7,600V Typ .
12
13
14
15
16
17
18
8 .81
9 .46
10 .10
10 .75
11 .40
12 .05
12 .70
223 .6
240 .2
256 .6
273 .2
289 .7
306 .2
322 .7
9 .52
10 .17
10 .82
11 .48
12 .13
12 .78
13 .43
241 .8
258 .4
274 .9
291 .5
308 .0
324 .6
341 .1
Note: Specifications contained herein are subject to change
without notice .
How to Order
Types H and BT terminal blocks are ordered by listing a
model number made up of the model designation followed by
the number of terminals required for the application .
Example: a 10-pole terminal block becomes H-10 or BT-10
When ordering combinations of both types, the model
number is made up of both model designations followed by
total number of poles and number of each type .A composite
of three H terminals followed by two BT terminals thus is
converted to stock number HBT-5 (3H, 2BT) .
19
20
21
22
23
24
25
26
27
28
29
30
13 .35
14 .00
14 .65
15 .30
15 .95
16 .60
17 .25
17 .40
18 .55
19 .20
19 .85
20 .50
339 .2
355 .7
372 .2
388 .7
405 .2
421 .7
438 .2
454 .7
471 .2
487 .7
504 .2
520 .7
14 .08
14 .73
15 .39
16 .04
16 .69
17 .34
17 .99
18 .64
19 .29
19 .95
20 .60
21 .25
357 .7
374 .2
390 .8
407 .3
423 .9
440 .4
457 .0
473 .5
490 .1
506 .6
523 .2
539 .7
Dimensions shown are ± 0 .030"
Series H & BT Accessories
COVERS
Series H & BT – Two cover styles . Hinged cover of 3/16" thick
black bakelite pivoting from special end brackets provide
ready access to block . Factory-assembled and available only
with original terminal block order . Plain cover of 1/16" thick
black bakelite is permanently positioned to block with two
screws . Factory-assembled or customer-installed .
To order, specify:
H/BT (Plain) – Part No . 260A49 – 1 thru 30 terminals
H (Hinged) – Part No . 260A56 – 1 thru 30 terminals
BT (Hinged) – Part No . 250A122 – 1 thru 30 terminals
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
47
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