短路比 scr

故障电流电气计算器

电路的预期故障电流电气计算器。计算PFC从Zs的或泽和电压值。 输入电压(UO到地球),进入Zs的值,选择阶段和PFC电路故障电流KA值将被显示,简单易用! 测试和检查时的electricans,电气工程师及电气安全测试仪或从PFC/ PSC设计电路一个有用的电动工具 价值和选择正确的微型断路器或熔...

Touch To Nine

Touch To Nine is an addictive game. Please don't install this game if you don't like addictive games. Let's go from 1 to 9 in 3 seconds.+ This app has...