该装置在总馈电开关处的漏电保护装置使用附加直流电源原理，在分支馈电开关处的漏电保护装置使用零序功率方向式保护原理。
This device use the principle of additional DC power supply in main feeding switch, and use the principle of direction of zero sequence power in branch feeding switch.
保险丝断路开关装置包括一个拔出型保险丝装置和一个开关外壳装置。
A fused disconnect switch assembly includes a pull out fuse assembly and a switch housing assembly.
信息传输装置将控制信号从开关装置或者脚动开关传送到仪器或仪器组中。
Information transfer devices transfer control signals from the switching devices or foot actuated devices to the devices or groups of devices.
当，假设与保险开关，装置开关成为一个两阶段保护装置开关。
When provided with a safety switch, the appliance switch become a two-stage protection appliance switch.
锐技卷轴公司有许多各种类型的开关和速度控制装置，这些开关装置都是和电机配套的，并且需要正确的安装才能发挥出它的功效。
Reelcraft has several types of switches and speed controls available. These switches are motor size specific and must be wired properly for the hose reel to function correctly.
锐技卷轴公司有许多各种类型的开关和速度控制装置，这些开关装置都是和电机配套的，并且需要正确的安装才能发挥出它的功效。
Reelcraft has several types of switches and speed controls available. These switches are motor size specific and must be wired properly for the hose reel to function correctly.
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