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High voltage circular connector?
High voltage circular connector?
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Old 11th February 2019, 02:56 PM   #1
thuanth43 is offline thuanth43  Viet Nam
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Default High voltage circular connector?

I'm looking for a set of circular connectors to connect my tube power supply to the amp section. It needs to be rated at least 1200v. I know Amphenol have some but couldn't remember the correct part number. Any other brand is fine, preferably available on Mouser.

Could anyone having experience do me a favor pointing me to that part?

TIA.
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Old 11th February 2019, 06:24 PM   #2
kodabmx is offline kodabmx  Canada
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High voltage circular connector?
Found these but they are probably expensive and overkill... GES High Voltage | Home | high voltage connectors

FWIW I use GX16 connectors for 400VDC. I know you said you need 1k2V though.
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Old 11th February 2019, 06:40 PM   #3
jan.didden is offline jan.didden  Europe
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There exists a variant of the BNC connector, I believe it is called BNC-SHV (safe high voltage). They look like normal BNC but are not interchangeable.

On eBay you can buy complete coax cables with BNC-SHV at each end for reasonable prices.

Jan
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Old 11th February 2019, 06:43 PM   #4
dhaen is offline dhaen  Europe
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Default EDAC 516

I used these, they're good to 2KV:
516-038-000-401 | EDAC 516 Series, 38 Way Heavy Duty Power Connector Socket | RS Components
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Old 11th February 2019, 06:54 PM   #5
dhaen is offline dhaen  Europe
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Sorry just noticed you specify circular..
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Old 11th February 2019, 07:57 PM   #6
Enzo is offline Enzo  United States
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I like and use for a variety of purposes the CPC series (Circular plastic connector) from AMP, a TE company.

I don't know offhand what the pin to pin voltage rating is, but the shells come in various pin counts, and you can get say a 24 pin connector and install pins three spaces apart, which would allow greater voltages.
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Old 12th February 2019, 12:18 PM   #7
thuanth43 is offline thuanth43  Viet Nam
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Thanks for the suggestions. I found the Amphenol I was looking for. It is rated only at 600v/13A. I wonder if there is any correlation between the voltage and current ratings? Let’s say if I only do 4-500mA max, could the voltage rating go up? I see someone else use this Amphenol connector at 1100v without any trouble.
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Old 12th February 2019, 12:31 PM   #8
kodabmx is offline kodabmx  Canada
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High voltage circular connector?
I use a 12V 40A relay to switch 400V 500mA and that works fine, but above 600V there's a higher chance of arcover.
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Old 12th February 2019, 01:00 PM   #9
thuanth43 is offline thuanth43  Viet Nam
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I plan to put on a vanish layer on the pins, and then heatshrink tubing, hopefully that would help. Would great to be able to have a true high voltage rated connector though.
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Old 12th February 2019, 05:46 PM   #10
Enzo is offline Enzo  United States
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That is why I suggested leaving empty pin holes between active ones.
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