[Amps] 10 Meters

[Peter.Chadwick@zarlink.com (Peter Chadwick)]

One difficulty with higher DC supplies is the relays that are needed to provide
complete galvanic isolation without arcing. That's why the  270volt dc bus
standard for new military aircraft led to the necessity for the development of
vacuum circuit breakers for the application.

There's been some interesting articles in IEEE Spectrum about it.

73

Peter G3RZP