| 释义 |
protector frame
保护器机架
A frame, usually part of the main distributing frame, that serves as termination for loop cables and contains electrical protection devices that normally provide conducting paths but will break down and electrically isolate a loop from the switching equipment when an abnormally high voltage occurs as may result from lightning or contact between a power line and telephone line.
通常作为主配电盘一部分的一种机架,它起回路电缆的终端的作用,并含有电气保护装置, 该保护装置通常提供导电通路,在闪电或动力线路和电话线相碰而出现异常高压时,它就击穿 而断开,把回路与开关设备电气隔离。 |