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  1. RockClaudiu

    Numbering of contactors and relays in wiring diagrams

    Hi guys, Coming back to subject... I did some research for the last few days but unfortunately I couldn't find anything concrete. I checked IEC 60947, IEC 61082, IEC 61346 but without success. The only thing I could find are some remarks in the EATON Wiring Manual, beginning of chapter 10 where...
  2. RockClaudiu

    Numbering of contactors and relays in wiring diagrams

    Hi, Thank you all for your input... I'm from Europe so the IEC standards apply and we are using "K" numbering for contactors and relays. Jraef, do you know which IEC standard is for the numbering of these components?
  3. RockClaudiu

    Numbering of contactors and relays in wiring diagrams

    Hi, I have some questions regarding how contactors and relays are numbered (tagged, identified) in wiring diagrams. I’m new with wiring diagrams and I see most of the times contactors are numbered K1, K2 or K3 and relays are numbered from K9, K10, K11 and so on. Is there a rule how these...
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