3 sets of magnetic latching relay as an intelligent AC contactor no arc body

Under its control, small size, energy, materials, etc., with 3 sets of magnetic latching relay as an intelligent AC contactor no arc body, with a microcontroller as the core of the intelligent  mcb circuit breaker , the formation of a new type of intelligent AC contactor no arc makers. article describes its control principle, control method,  power transformers and control hardware implementations. works with 3 sets of magnetic latching relay as a smart no-arc AC contactor circuit control ontology main circuit wiring diagram.