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250v插件自恢复保险丝
产品信息
产品类别：插件自恢复保险丝
关键词：250v插件自恢复保险丝
点击率：
发布时间：2019-08-01 15:02:26
全国服务热线：13549460265
产品详情
应用范围：
产品专为程控交换机、配线架设计生产的过保护器件，同时还可用于变压器、安防设备、灯具、镇流器、仪表、电话线路等领域。
产品图片
电器特征与产品尺寸
|
model |
ih |
it |
vmax |
imax |
rmin |
rmax |
product dimension(mm)大产品尺寸 |
|||||
|
型号 |
a |
a |
v |
a |
ω |
ω |
style |
a |
b |
c |
d |
lead |
|
wh250-030 |
0.03 |
0.06 |
250 |
1 |
35 |
90 |
f2 |
6.0 |
8.0 |
5.1 |
4.6 |
0.5 |
|
wh250-040 |
0.04 |
0.08 |
250 |
1 |
27 |
65 |
f2 |
6.0 |
8.0 |
5.1 |
4.6 |
0.5 |
|
wh250-050 |
0.05 |
0.10 |
250 |
1 |
20 |
45 |
f2 |
6.0 |
8.0 |
5.1 |
4.6 |
0.5 |
|
wh250-060 |
0.06 |
0.12 |
250 |
3 |
20 |
45 |
f2 |
6.5 |
9.0 |
5.1 |
4.6 |
0.6 |
|
wh250-080 |
0.08 |
0.16 |
250 |
3 |
10 |
22 |
f2 |
6.5 |
9.0 |
5.1 |
4.6 |
0.5 |
|
wh250-090 |
0.09 |
0.18 |
250 |
3 |
7.0 |
17.5 |
f2 |
6.5 |
9.0 |
5.1 |
4.6 |
0.5 |
|
wh250-110 |
0.11 |
0.22 |
250 |
3 |
6.0 |
12.0 |
f1 |
7.0 |
9.5 |
5.1 |
4.6 |
0.6 |
|
wh250-120 |
0.12 |
0.24 |
250 |
3 |
6.5 |
10.5 |
f1 |
7.0 |
9.5 |
5.1 |
4.6 |
0.6 |
|
wh250-145 |
0.145 |
0.29 |
250 |
3 |
3.5 |
6.5 |
f1 |
7.0 |
9.5 |
5.1 |
4.6 |
0.6 |
|
wh250-180 |
0.18 |
0.54 |
250 |
10 |
1.35 |
3.0 |
f2 |
10.5 |
13.5 |
5.1 |
4.6 |
0.6 |
|
wh250-200 |
0.20 |
0.40 |
250 |
10 |
3.0 |
6.0 |
f2 |
10.5 |
13.5 |
5.1 |
4.6 |
0.6 |
|
wh250-400 |
0.40 |
0.80 |
250 |
10 |
1.35 |
3.0 |
f1 |
12.2 |
14.2 |
5.1 |
4.6 |
0.8 |
|
wh250-600 |
0.60 |
1.20 |
250 |
10 |
1.0 |
2.0 |
f1 |
12.6 |
15.6 |
5.1 |
4.6 |
0.8 |
|
wh250-800 |
0.80 |
1.60 |
250 |
10 |
0.5 |
1.0 |
f1 |
15.0 |
19.5 |
5.1 |
4.6 |
0.8 |
|
wh250-1000 |
1.00 |
2.00 |
250 |
10 |
0.4 |
0.8 |
f2 |
21.1 |
23.6 |
10.2 |
4.6 |
0.8 |
|
wh250-1500 |
1.50 |
3.00 |
250 |
10 |
0.3 |
0.6 |
f1 |
21.0 |
27.5 |
10.2 |
4.6 |
0.8 |
|
wh250-2000 |
2.00 |
4.00 |
250 |
10 |
0.2 |
0.4 |
f1 |
26.2 |
32.8 |
10.2 |
4.6 |
0.8 |
符号定义 definition
| 符号sign | 说明 | definition |
| ih | 在25℃环境温度下的大 工作电流 | hold current-maximum current at which the device will not trip at 25℃ |
| it | 在25℃环境温度下启动保护的小电流 | trip current-minimum current at which the device will always trip at 25℃ |
| vmax | 大工作电压 | maximum voltage at which the device will not trip |
| vmaxi | 在阻断状态下所承受的大电压 | maximum voltage device can withstand without damage at it rated current |
| imax | 能承受的大电流 | maximum fault current device can withstand without damage at rated voltage |
| rmin | 工作前的初始小阻值 | minimum device resistance at 25℃ prior to tripping |
| rmax | 工作前的初始大阻值 | maximum device resistance at 25℃ prior to tripping |
| figure | 图示 | the figure of whptc |
| lead | 导线尺寸 | lead diameter |
环境温度及电流值折减比率表
discount rate of ambient temperature and current
| wh series | -20℃ | 0℃ | 25℃ | 30℃ | 40℃ | 50℃ | 60℃ | 70℃ | 85℃ |
| wh6 | 130% | 115% | 100% | 91% | 83% | 77% | 68% | 61% | 52% |
| wh16 | 132% | 120% | 100% | 96% | 88% | 80% | 71% | 61% | 47% |
| wh30 | 130% | 115% | 100% | 91% | 83% | 77% | 68% | 61% | 52% |
| wh60 | 136% | 119% | 100% | 90% | 81% | 72% | 63% | 54% | 40% |
| wh130 | 136% | 119% | 100% | 92% | 81% | 72% | 63% | 54% | 40% |
| wh250 | 132% | 117% | 100% | 91% | 85% | 77% | 68% | 61% | 48% |
| wh600 | 138% | 119% | 100% | 92% | 83% | 73% | 64% | 55% | 42% |
wh250 系列25℃时典型动作时间曲线 wh250 typical time to trip at 25℃
a:wh250-080
b:wh250-090
c:wh250-110
d:wh250-120
e:wh250-145
f:wh250-180
g:wh250-200
h:wh250-400
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