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  1. #1
    Join Date
    Jul 2011
    Location
    Adelaide
    Posts
    351

    Default Hercus push buttons

    I am looking for a couple of push button contacts from a Hercus machine from the 1970s-1980s. The buttons I am talking about where used on the Milling machine and the #1 Tool and Cutter grinder. The part I am after a couple of is Siemens 3SA10 Contact block 500V.

    There are some on ebay but at over $100 for shipping I am holding of in case somebody who can ship to me more reasonably has something I can use.


  2. #2
    Join Date
    Oct 2011
    Location
    Central Coast, NSW
    Posts
    1,108

    Default

    This is what I got.

    I'll send you a PM.

    Ben.
    Attached Images Attached Images

  3. #3
    Join Date
    Jul 2011
    Location
    Adelaide
    Posts
    351

    Default

    Ben

    sorry not the switches I am looking for. Here is a photo of the type I need. In particular the red one and the green one. the rotary knob for the light would be an absolute bonus too.

    Eric

    11314783.jpg
    Quote Originally Posted by bwal74 View Post
    This is what I got.

    I'll send you a PM.

    Ben.

  4. #4
    Join Date
    Jul 2006
    Location
    Athelstone, SA 5076
    Posts
    3,481

  5. #5
    BobL is offline Member: Blue and white apron brigade
    Join Date
    Feb 2006
    Location
    Perth
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    4,434

    Default

    Quote Originally Posted by eskimo View Post
    Watch out - some like these are only the head of the switch - there's no switching mechanism in it you have to buy these separately.

    This one includes the switch mechanism.

    VFD remote switches all operate at low logic V so the power ratings don't really matter and you can use almost any switches.

  6. #6
    Join Date
    Jul 2011
    Location
    Adelaide
    Posts
    351

    Default

    Eskimo and BobL

    I am after the same as the original simply to make the machine look original so thanks for the thought Eskimo but at the moment I am holding out for the real deal. The machine has two VFDs buried inside but the only give away is the single phase plug. The Siemens mushroom head model 3SA11-40 is really all I need now. As BobL says i am only switching the 24v logic of the VFD's with the slight twist that I am switching it separately for each VFD to avoid connecting there separate logic circuits together.
    I do have the stackable contacts that go behind the switch head on the way from the US so I am looking only for the actual switch actuator.

    Eric

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