I am now a safety relay. When the power is normally turned on, the coil is connected, the normally open contact is connected to the external relay, and the normally open contact of the external relay controls the on-off of the entire circuit control voltage. Some people say that this will reduce the level of the safety relay, because when the safety relay is activated, the control voltage must be disconnected through the external relay, which leads to a period of time when the normally open contact of an external relay is disconnected (estimated in a few milliseconds). I would like to ask how to use the safety relay. If the normally open of the safety relay is used directly, if the current of the control circuit is too large, the safety relay will be burned out.
https://www.utmel.com/blog/categories/r ... fety-relay
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