Connector for B+

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I am planning out my build of a phono-stage using D3a and 5687 tubes. The PT will be a Hammond 363CX with 360V output. I'm planning on a two chassis design but am having trouble finding connectors that will handle the voltage.
Power-Cons are good for 250V and 20A.
Chinch Jones connectors are similarly rated although they make a 900V connector but I don't believe there is a cable mounted connector, just panel mounts.

Below is what I'd like but these connectors are 250V rated.
TIA
 

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TE connectivity (formerly AMP) Mate-N-Lock is rated 600 v. Not the "commercial" line, those are rated to 250 v. The pins are crimp but I make them with about 5 movements of a slip-joint pliers. The official crimp tool is over $130.
Big stock at newark, possibly others. Rack and panel, cable whatever, no back housings however.
These were used in Hammond organs, like the H100 and the L100. Crimps last decades.
 

PRR

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Joined 2003
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360V CT, 180V each side, peaks at 252V of DC. Less with a bottled rectifier. I would not fear a 2V over-spec on a 250V part.

This is a PHONO preamp? Maybe 80mA max (maybe less)? The 250mA-288mA transformer seems a bit much. I can see why you want to mount such a large lump remote from mag pickup and preamp.
 
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