HI Jack,
24 or 48 volts DC should do it. Used in telephone work, #1ESS and
other systems. It is fast operating. Try 24 volts first. (I forget now.)
73, John
At 05:48 AM 12/17/2009, you wrote:
Jim Hanlon, W8KGI
Do you have the relay specs for a Western Electric 303J?
It is an octal and may
that is an issue,
Bernie W8RPW
- Original Message -
From: John King k5...@yahoo.com
To: amradio@mailman.qth.net
Sent: Monday, December 14, 2009 10:45 PM
Subject: [AMRadio] Relay rating
Will 10 amp rated contacts on a relay handle 300 watts of carrier from an
AM transmitter? Your opinion based
John,
I can't beat Bernie's reply from experience, but I will add that 300 watts of
carrier would produce 2.45 amps of current into a 50 ohm load and 2.04 amps
into a 72 ohm load, so you won't be anywhere near overloading the 10 amp
rated contacts.
Personally I use a mercury-wetted relay to
Will 10 amp rated contacts on a relay handle 300 watts of carrier from an AM
transmitter? Your opinion based upon your experience will be appreciated.
Thanks and 73, John, K5PGW
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