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Thread: Hercus push buttons
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7th Jul 2018, 10:04 PM #1Golden Member
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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.
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15th Jul 2018, 12:46 PM #2Diamond Member
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This is what I got.
I'll send you a PM.
Ben.
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15th Jul 2018, 08:49 PM #3Golden Member
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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
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18th Jul 2018, 01:37 PM #4Most Valued Member
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18th Jul 2018, 01:47 PM #5Member: Blue and white apron brigade
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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.
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22nd Jul 2018, 04:24 PM #6Golden Member
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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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