Lateral mains undersized when compared to the rating of the protective device 与保护器件的额定值比较，横向总线的尺寸过小。
Graphical symbols for diagrams - part 7 : switchgear , controlgear and protective devices 电气简图用图形符号第7部分:开关控制和保护器件
Test methods for surge protectors used in low - voltage data , communications , and signalling circuits 低压数据电路通信电路和信号传输电路用电涌保护器件的试验方法
Electro - sensitive protective equipment - part 2 : particular requirements for equipment using active opto - electronic protective devices 电敏保护设备.第2部分:使用有源光-电子保护器件的设备的特殊要求
Application guide for neutral grounding in electric utility systems - part 2 - grounding of synchronous generator systems surge protective devices 公用电力系统中线接地应用指南.第2部分:同步发电机系统电涌保护器件的接地
Safety of machinery - electro - sensitive protective equipment - particular requirements for active opto - electronic protective devices responsive to diffuse reflection aopddr 机械安全性.电敏防护设备.防漫反射有源光电子保护器件专门要求
The weidm ller product portfolio ranges from terminal blocks , pcb connectors and terminals , protected components and relay sockets to power supply and over - voltage protection modules suitable for all applications 公司的产品包括各种接线端子、印刷电路板接线端子和接插件，过压保护器件，继电器插口，电源和过压保护模块，广泛运用于各种联接领域。
The weidm 徂 ller product portfolio ranges from terminal blocks , pcb connectors and terminals , protected components and relay sockets to power supply and over - voltage protection modules suitable for all applications 公司的产品包括各种接线端子、印刷电路板接线端子和接插件，过压保护器件，继电器插口，电源和过压保护模组，广泛运用于各种联接领域。
In addition , in order to protect the circuit in the condition of high current in the busbar , the design plan is added by high voltage protect circuit and voltage monitor and control circuit and power discharge circuit 另外，为了防止在母线大电流情况下，特制线圈感应电压过大导致后端电路烧毁，为电路增加了过电压保护、电压监控保护和能量泄放电路，起到保护器件的作用。
