Small knowledge of contactor - Contactor wiring diagram 1. 3, 5 connected to three-phase power supply (main circuit part) 2. 4, 6 connected to three-phase motor A1 and A2 are the coils
![220V; 440V 1no 1nc China Type of Auxiliary Contactor 3 Pole with Good Price 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com 220V; 440V 1no 1nc China Type of Auxiliary Contactor 3 Pole with Good Price 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com](https://image.made-in-china.com/202f0j00HoekranIgQqb/220V-440V-1no-1nc-China-Type-of-Auxiliary-Contactor-3-Pole-with-Good-Price-3rt-1016.jpg)
220V; 440V 1no 1nc China Type of Auxiliary Contactor 3 Pole with Good Price 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com
![A1 A2 1no 1nc China Type of 3TF Contactor 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com A1 A2 1no 1nc China Type of 3TF Contactor 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com](https://image.made-in-china.com/2f0j00WcpkCZMPrTbA/A1-A2-1no-1nc-China-Type-of-3TF-Contactor-3rt-1016.webp)
A1 A2 1no 1nc China Type of 3TF Contactor 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com
![Customized Overload A1 A2 China Auxiliary Contactor Motor Starter 3 Pole 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com Customized Overload A1 A2 China Auxiliary Contactor Motor Starter 3 Pole 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com](https://image.made-in-china.com/2f0j00okvqbnZtlQcy/Customized-Overload-A1-A2-China-Auxiliary-Contactor-Motor-Starter-3-Pole-3rt-1016.webp)
Customized Overload A1 A2 China Auxiliary Contactor Motor Starter 3 Pole 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com
![Sparks flying when wiring a contactor to a Sonoff for high current devices. Ideas? : r/homeautomation Sparks flying when wiring a contactor to a Sonoff for high current devices. Ideas? : r/homeautomation](https://preview.redd.it/sparks-flying-when-wiring-a-contactor-to-a-sonoff-for-high-v0-l96ia0qu6lra1.png?width=1080&crop=smart&auto=webp&s=1d6fc649b0e11851cf807f0de07077bb682b5dfd)