What are bi- and monostable contactors?


The contactor can either be controlled to one mode or both modes, for switching on or off. For example, a monostable controls the switch-on by coil, while the switch-off is controlled by a spring if the coil voltage is broken. A bistable controls both striking and breaking with the coil. A bistable contactor uses no energy to keep the contactor in the respective position.

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