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 型号 | Ih | It | Vmax | Vmaxi | Imax | Rmin | Rmax |
Product Dimensions (mm) 大产品尺寸 |
|||||
| A | A | V | V | A | Ω | Ω | Style | A | B | C | D | Lead | |
|
WH600-110 |
0.11 |
0.22 |
60 |
600 |
3 |
6.3 |
15.5 |
F1 |
15.0 |
15.0 |
5.1 |
6.0 |
0.6 |
|
WH600-150 |
0.15 |
0.30 |
60 |
600 |
3 |
5 |
13 |
F1 |
15.0 |
15.0 |
5.1 |
6.0 |
0.6 |
|
WH600-160 |
0.16 |
0.32 |
60 |
600 |
3 |
4.5 |
11 |
F1 |
15.0 |
15.0 |
5.1 |
6.0 |
0.6 |
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% |
WH600 系列25℃时典型动作时间曲线 WH600 Typical Time to Trip at 25℃
|
A:WH600-110 B;WH600-150 C:WH600-160 |
|
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