protect relay

causes analysis on protect relay failure of high voltage electromotor

高压电动机保护继电器误动原因分析

Current Surge Limiting. The circuitry necessary to protect relay contacts from excessive transient current.

电流浪涌限制保护继电器触点不受太大瞬间电流损坏的必要电路.

The heat overload relay loses protect function reason analysis

热继电器失去保护作用原因分析

Contactor can be easily retro-fitting auxiliary contact group, and appropriate combination of thermal relay to protect the load that may have been circuits.

接触器还可方便地加装辅助触头组，和适当的热继电器组合，保护可能发生过负载的电路之用。

voltage clamping. the circuitry necessary to protect relay contacts from excessive voltage caused by switching current into inductive loads.

电压箝位为保护继电器触点不受切换至感性负载的电流引起的太大电压损坏所必须的电路。