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
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A1 A2 China Auxiliary Relay Switch Motor Starter AC Contactor Factory 3rt-1016 - China Siemens Contactor, Sirius Contactor | Made-in-China.com
![How to test Contactor terminals Easily |Contactor terminal |What is Power ,NO, NC,A1 and A2 terminal - YouTube How to test Contactor terminals Easily |Contactor terminal |What is Power ,NO, NC,A1 and A2 terminal - YouTube](https://i.ytimg.com/vi/jVEpeZh_jgs/maxresdefault.jpg)
How to test Contactor terminals Easily |Contactor terminal |What is Power ,NO, NC,A1 and A2 terminal - YouTube
![IPUDIS Electrical Contactor, Strong Bearing Capacity Normally Open 12A Coil Contactor Switch Silver Contact for Power Supply (Color : AC380V) : Amazon.co.uk: Business, Industry & Science IPUDIS Electrical Contactor, Strong Bearing Capacity Normally Open 12A Coil Contactor Switch Silver Contact for Power Supply (Color : AC380V) : Amazon.co.uk: Business, Industry & Science](https://m.media-amazon.com/images/I/61057w69T6L._AC_UF894,1000_QL80_.jpg)