Is it necessary to absorb the surge voltage in the wiring diagram of the circuit product?
The surge voltage absorption circuit can suppress the spark (Spark) generated when the relay contact is ON/OFF, so as to extend the life of the contact. It is not "cannot start without use 」. Although it will not hinder the action, it is recommended that you install it if you consider the maintenance of relay contacts and the life of circuit products.
When the ※ can be controlled by PLC, it is recommended that you use "contactless speed controller and brake" which does not require relay contacts 」
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