Based on the specification of 500 volts peak,    5KW at 50 ohms = 500 volts.  It would seem the PL-259 is adequate for ham radio applications per specification to 0.3 GHZ or 300 MHz without issues.     Of course one is dealing with 50 ohms, which implies essentially a 1:1 SWR.

73

Bob, K4TAX




On 2/24/2018 4:53 PM, [email protected] wrote:
Really?  An Amphenol UHF connector only has a 500v rating.

John KK9A


Bill Johnson k9yeq wrote

1000v to me could be too low for a 500W amp.  You can for the time being
leave the plug out, just disconnect when you are not using your equipment.
I use a remote disconnect to remove the antennas at my remote grounding
panel.

73,
Bill
K9YEQ

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